Sample Questions
19)
There are 2.5 trillion red blood cells in your body. Two and a half
million new ones need to be produced every second by your bone marrow.
That's like a new population of the city of Toronto every second. The
average blood cell lives for 120 day.
Which sentence contains the plural mistake?
A) There are 2.5 trillion red blood cells in your body.
B) Two and a half million new ones need to be produced every
second by your bone marrow.
C) That's like a new population of the
city of Toronto every second.
D) The average blood cell lives for 120 day.
Answer: D
Explanation: The number 120 requires a plural noun after it.
20)
Our heart beats around 100,00 times every day. The average human
brain weighs three pounds. Human teeth are almost as hard as rocks. In
24 hours, the blood in the body travels a total of 12,000 miles - that's
four times the width of North America.
Which sentence contains the plural problem?
A) Our heart beats around 100,00 times every day.
B) The average human brain weighs three pounds.
C) Human teeth are almost as hard as rocks.
D)
In 24 hours, the blood in the body travels a total of 12,000 miles
- that's four times the width of North America.
Answer: C
Explanation: the plural of tooth is teeth.
21)
In the average lifetime, the average human spends five years
eating. Human also eat around 7,000 times their own weight in food.
A human's ribs move 5,000,000
times during its life. The human skull is made of 29 different bones.
Which sentence contains the plural mistake?
A)
In the average lifetime, the average human
spends five years eating.
B) Human also eat around 7,000 times
their own weight in food.
C) A human's ribs move 5,000,000 times during its life.
D) The human skull is made of 29 different bones.
Answer: B
Explanation: There is more than one Human, so the word should be
plural
22)
Most people blink about 25 times per minute. An average human
eye blinks about 6,205,000 times. The human eyes are always the same
size from birth until death. Every hours, the human eyes process 36,000
pieces of information.
Which sentence contains the plural mistake?
A) Most people blink about 25 times per
minute.
B) An average human
eye blinks about 6,205,000 times.
C) The human eyes are always the same
size from birth until death.
D) Every hours, the human eyes process
36,000 pieces of information.
Answer: D
Explanation: The word every indicated that the word hour should
be singular.
23)
When
sounds are above 130 decibels, they cause pain to the ears. A child's
ears hear better than an adult's ears. A human's ears can ear from 1,000
to 50,000 hertz. The human ear has about 50,000 fiber in it.
What sentence contains the plural mistake?
A) When sounds are above 130 decibels, they cause pain to the
ears.
B) A child's ears hear well than an adult's ears.
C) A human's ears can hear from 1,000 to 50,000 hertz.
D) The human ear has about 50,000 fibers in it.
Answer: D
Explanation: the number 50,000 means that the word fiber should
be plural
24)
The human
brain is made of more than 10,000,000,000 nerve cells. It also contains
50,000,000,000 other cells. Over two thirds of the body is made of
water. Half a liter of water is lost per day through breathing.
Which
sentence contains the plural mistake?
A) The human brain is made of more than
10,000,000,000 nerve cells.
B) It also contains 50,000,000,000 other cells.
C) Over two thirds of the body is made of water.
D) Half a liter of water is lost per day through breathing.
Answer: A
Explanation: There are over ten billion, so a plural noun is
required
25)
The human
body has 200,000 temperature detectors. The body also contains 500,000
touch detectors. The human eyes contain one hundred and thirty million
light detectors. The average human heart pumps four thousand gallons of
blood per day.
Which sentence contains the plural mistake?
A) The human body has 200,000 temperature detectors.
B) The body also contains 500,000 touch detectors.
C) The human eyes contain one hundred and thirty million light
detectors.
D) The average human heart pumps four thousand gallons of blood
per day.
Answer: B
Explanation: There are over 500,000 so this warrants a plural
noun.
26.
The criterion for good health is in the adoption of healthy life style.
What is wrong
with this sentence?
A.
The should be comma after is
B.
Fragment is not correct
C.
Criterion must be used
D.
Spellings of healthy is incorrect
Ans: C
Exp: The word criterion is plural
and singular of it is criterion, which must be used.
27.
One should not take to many medicines in one dose. What is wrong with
this sentence?
A.
Sentence is correct
B.
Word many should be eliminated.
C.
A Word medicine is not correct.
D.
Dose is plural
Ans: C
Exp: The world medicine is
already a plural so there is no need of putting ‘s’ after it.
28.
Most of the disease have been diagnosed with the help of modern medical
technology. What is wrong with this sentence?
A.
Diagnosed must be eliminated
B.
Technology must not be used.
C.
Word diseases must be used.
D.
Modern has wrong spellings
Ans: C
Exp: The word diseases must be
used.
29.
Smoking may effect your lung and may cause heart problems as well. What
is wrong with this sentence?
A.
Smoking must be in capital.
B.
Use affect instead of effect
C.
Word Lungs must be used instead of Lung
D.
‘Hearts’ must be used.
Ans: D
Exp: The plural of Lung is lungs.
30.
Peoples with chain smoking habits are more likely to be prey of heart
diseases. What is wrong with this sentence?
A.
Word ‘ Peolpes’ is not correct
B.
Smoking should be in double quotes
C.
Their should be comma after word habits
D.
Diseases must be disease
Ans: A
Exp: The world PEOPLE itself is
plural.
Q. 31 My little sons ate too much
jelly and candy and I am really worried about him because his teeth
became so dirty.
A.
Candies and Jellies
B.
Candy and jelly
C. son
D. Sons
Ans: D, A
Exp: Sons, jellies and candies
are plural words.
Q. 32 My father is old men he is
very fond of junk foods and I am very worried about him and I wanted to
consult a doctor.
Put the correct sentence in this
sentence?
A. Men
B.
Man
C. Mans
D. Mine
Ans: B
Exp: ”Man” is singular word,
Q.
33 We have five child and one of them is student of medical. in
few years, he will become a doctor and I always pray for him.
A.
Child
B.
Kid
C.
Kids
D.
Children
Ans: D
Exp: correction of this sentence
is like “ we have five children”
Q. 34 My husband watch TV all the
night, I am very worried about him because watching TVall the time is
affecting his health.
A.
Watch
B.
Watches
C.
See
D.
Seen
Ans:
B
Exp:correct sentence is “ my
husband watches TV ”
Q. 35 I goesto the gym for
exercise to keep me fit and strong from different diseases.
A.
Go
B.
Went
C.
Gone
D. Goes
Ans: A
Exp: Correct sentence will be: I
go to the gym for exercise.
Q. 36 There are so many type of
disease that affects human life and human civilization is suffering from
so many years.
A. Types
B.
Type
C. Tip
D.
Top
Ans: A
Exp: correct sentence will be
like: “types of disease”
Q. 37 My father is a patient of
diabetes I wishes that he will cure soon and I will be grateful to the
Jesus Christ.
A. Wishes
B. Wash
C.
Wish
D.
Washed
Ans:
C
Exp:
singular will become” I wish that he will cure soon”
Q. 38 There are so many kind of
vitamin like: vitamin A, vitamin B, vitamin C, vitamin D, vitamin E,
vitamin K and these vitamins have their own function.
A.
Kind
B. Kinds
C.
Kids
D. Kid
Ans: B
Exp: Correction of this sentence
like as: “There are so many
kinds of vitamin like:”
Q. 39. I am a student of medical
college and my father is also a doctor. Every night, he give me so many
instruction about medical fields.
A.
Give
B.
Gives
C.
Gain
D.
Got
Ans: B
Exp: Correct sentence like as:
“he gives me …”
Q.40
There are so many term used in
medical field, all these term has their own meaning and functions.
A. Turn
B.
Turns
C.
Terms
D.
Term
Ans: C
Exp: Correct sentence like as:
“there are so many terms…”
Q. 41 One day I was sitting with
my friend and he asks me a question tell me all main function of human
brain.
A.
Functions
B. Function
C.
Fun
D.
Funs
Ans: A
Exp: Plural sentence will be used
in this sentence like “functions”
Q. 42 Mr. Jonathan is my favorite
teacher during my medical class and I likes him very much.
A.
Like
B. Looks
C.
Likes
D.
Look
Ans:A
Exp: Singular word will be used
“Like”
Q. 43 Last night, I visit the
hospital and Doctor tells me there are so many benefit of exercise.
A. Benefit
B.
Benefits
C.
Bone
D.
Bones
Ans:
B
Exp: In this sentence plural word
will be used ” Benefits”
Q. 44 Last evening, I go for
exercise in gym and instructor tells me seven secret of perfect health.
A.
Secret
B. Secure
C.
Secrets
D.
Scare
Ans:C
Exp: Correct sentence will like
as: “seven secret of perfect health”
Q. 45. With the instruction of my
couch, I lost my weight within five day.
A. Day
B.
Days
C.
Doze
D.
Dose
Ans:
B
Exp: Plural words will be used in
this sentence.
Q. 46 Last years a very bad
incident happened with my family that my little son burnt with fire.
A.
Year
B.
Years
C.
you
D.
Your
Ans:A
Exp: Correct sentence will be as:
“Last years”
Q 47. My wife gave birth a new
child and my new babies is so beautiful, cute and smart.
A.
Babies
B.
Born
C.
Baby
D.
Burn
Ans:C
Exp:Correct sentence will be
like: “my new babies ”
Q. 48 There are so many person in
the world, Who wanted to be a doctor and try so hard.
A.
Person
B.Purple
C.
People
D.Puppies
Ans: C
Exp:Plural word will be used in
this sentence.
Q. 49 Recently, I completed my
medical degree. There are so many boy and girls in our graduation
ceremony.
A.
Boy
B. Buoy
C. Boys
D.
Bees
Ans: C
Exp: Boys is plural word that’s
why word “ boys” will be used.
Q. 51 There are much equipment
used in operation room like: angle mount, face mask adult etc.
A.
Equip
B.
Equipment
C.
Equipped
D. Equipments
Ans:D
Exp: Plural word will be used in
this sentence like: “equipment used in
Operation Theater’’
Q. 52 There are so many germ in
human body that we cannot see them but they actually exist in our world.
A.
Gems
B.
Germs
C.
Germ
D.
Gem
Ans: B
Exp: Plural word will be come in
this sentence.
Q. 53 In our county, there are so
many blood bank available. All over the county people contact them and
save their lives.
A.
Bank
B.
Bunch
C.
Bunk
D.
Banks
Ans: D
Exp: correct word is “Banks”
Q. 54 There are so many
Microorganismin this world; we can see these all organisms through
microscopes.
A.
Micro
B. Microorganisms
C.
Microorganism
D.
Micros
Ans: B
Exp: in this sentence plural word
will be used “Microorganisms”
Q.
55 Today we learns about Human body cells and what is the
importance of cells in human body.
A.
Learnt
B.
Learned
C.
Learns
D. Learn
Ans:C
Exp: Singular word will be used
in place of “learns”
Q. 56.in human body, aorta is the
biggest artery and carry the oxygen from the left ventricle of heart.
A.
Carried
B.
Carry
C.
Carries
D.
Career
Ans: C
Exp: plural word will be used in
this sentence.“ Carries”
Q. 57 Septum is also part of
heart and it is muscular walls which separate the left and right sides
of the human heart.
A. Well
B.
Wall
C.
Walls
D.
Will
Ans:
B
Exp: Singular word will be used
in this sentence.
Q. 58. Vitamin A is most
important in all types of vitamins because it help in improving your eye
side.
A.
Helped
B.
Help
C.
Helps
D. Helping
Ans: C
Exp: Plural word will be used in
this sentence.
Q. 59. In human ears, nerves have
their own importance because this nerves carry impulse signals from the
inner.
A.
This
B.
These
C.
Those
D.
That
Ans:B
Exp: plural word will be used in
this sentence “these nerves”
Q. 60 In human skeleton axial
consist of bones that makes axis of the human body and support the body.
A.
Consisted
B. Consists
C.
Consist
D.
Consisting
Ans: B
Exp: Plural word will be used in
this sentence.
Q. 61 Human bones are made of
vitamin, proteins and minerals.
A. Vitamins
B. Vitamin
C. Proteins
D. Minerals
Ans: A
Exp: Plural word will be used in
this sentence.
Q.62 Last day I went other doctor
and he told me that if you should learns how fats are burning. You
should join our class in the morning.
A. Learnt
B.
Learns
C. Learned
D. Learn
Ans: D
Exp: Singular word will be used
in this sentence.
Q. 63 According to the doctors,
there are 4 tip to healthy bones. Eat health food, take morning walk
daily, Sleep well and eat food with calcium.
A.
Tips
B.
Tops
C.
Tip
D.
Top
Ans: A
Exp: Plural word will be used in
the end of this sentence.
Q.64 You can maintains your
health with taking good breakfast, by getting spiritual, drinking pure
water and etc.
A. Maintained
B. Maintains
C.
Maintain
D. Maintenance
Ans: C
Exp: Singular word will be used
in this sentence.
Q. 65 I heard new about our
medical college that now it is rated top10 world best college all over
the worlds.
A.
New
B.
News
C. Knew
D.
Know
Ans: B
Exp: Plural word will be used in
this sentence “News”
Q. 66 Unfortunately, I drink
regularly and one day I went to the doctor he tells me you know what are
the side effect of drinking.
A.
Effect
B.
Affects
C.
Effects
D.
Affect
Ans: C
Exp: Plural word will be used in
this sentence “the side effects”
Q 67 I am doctor skin surgeon and
telling you how we can looks young and fresh.
A. Looking
B. Look
C.
Looks
D.
Looked
Ans: B
Exp: Singular word will be used
in this sentence.
Q. 68 I am a patients of kidney
and wanted to know how I can prevent kidney stones in future.
A.
Patient
B.
Patients
C.
Patience
D. Portion
Ans:A
Exp: singular word will be come
in this sentence “Patient”
Q. 69When I was child, my father
had panic attacks and I wanted to knows what is the meaning of panic
attacks.
A.
Knew
B. Knows
C.
Know
D. known
Ans: A
Exp: Singular word will be used
in this sentence.
Q. 70 Proteins
is very important nutrients required for the human body.
A.
Proteins
B.
Protein
C.
Protects
D. Protect
Ans: B
Exp: Singular word will be used
in this sentence.
Q 71 My family doctor told me
that good and healthy breakfast is the best start of the days.
A.
Day
B.
Days
C.
Dose
D.
Doze
Ans: A
Exp: singular word will be used
in this sentence.
Q. 72 I am medical college
student and wanted to know about what are the chamber of heart.
A.
Chamber
B.
Chambers
C. Vein
D.
Veins
Ans:B
Exp: Plural will be come in this
sentence.
Q 73 Important clinical term in
connection with the heart are systole, diastole and Precordium etc.
A.
Term
B.
Terms
C.
Turn
D.
Turns
Ans: B
Exp: Plural word will be used in
this sentence.
Q 74 It is the metabolic
headquarters in the body. The liver is situated in the upper part of the
right sides of the abdominal cavity just below the diaphragm.
A.
Side
B.
Sides
C.
Sent
D.
Send
Ans: A
Exp: Singular word will be used
in this sentence.
Q. 75 My friend was graduated
from medical college and he also a good singers
but he made his career in music field.
A. Singer
B. Singers
C.
Single
D. Singles
Ans: B
Exp: singular world will be come
in this sentence.
Q. 76 Ivy and Annie are both
friend from childhood and they also graduated from medical college now,
practicing together in their own city.
A.
Friend
B.
Friends
C. Buddy
D.
Buds
Ans: B
Exp: Plural word will be come in
this sentence.
Q. 77 Today we saw so many
patients in surgical ward crying with pains.
A.
Pain
B.
Pains
C.
Pulse
D.
Pulses
Ans: A
Exp: Singular will be come in
this sentence.
Q 78. My husband take too much
sugar in his tea and doctor suggested him do not take sugar in his tea.
A.
Took
B. Takes
C.
Take
D.
Taken
Ans:B
Exp: plural will be come in this
sentence.
Q. 79 Sports are very important
in human life and when you plays any game it keep you fit and strong.
A.
Played
B.
Plays
C.
Play
D. Playing
Ans: C
Exp: Singular word will be come
in this sentence.
Q. 80 Today medical doctor are
going to start a new campaign about washing hands and cleaning yourself.
A. Doctors
B.
Doctor
C.
Doctorate
D. Doctorates
Ans: A
Exp: Plural word will be come in
this sentence.
Q. 81 I am a diabetic person and
doctor suggest me that you should get up early in the morning and go for
walk.
A.
Suggested
B.
Suggesting
C. Suggests
D. Suggest
Ans: C
Exp: plural word will be come.
Q. 82 Mr. John has recently
opened a news hospital and robbers steal his all equipment from
hospital.
A.
Knew
B.
Known
C.
New
D.
News
Ans: C
Exp: Singular word will be come
in this sentence.
Q. 83 Last day I was working in
the operation theater (OT) and suddenly glasses of water is broke into
pieces.
A.
Glass
B. Glasses
C.
Classes
D.
Class
Ans: A
Exp: Singular will be come in
this sentence.
Q. 85 One day, I was playing
outside of my home and suddenly mad dog did attacks on me and people of
the town took me to the hospital.
52.
You are comparing the measurements of solid material to that of liquid
material when it is converted into a metric measure.
How many pounds of material are in one kilogram?
a) 1 lb
b) 2.2 lbs
c) 2.5 lbs
d) 3 lbs
Answer: b
Explanation: 2.2 lbs = 1 kg
53.
Coming back to helping your students understand liquid measurements, you
ask them how many milliliters there are in one teaspoon.
What should be their answer?
a) 1 tsp = 2 milliliters
b) 1 tsp = 4 milliliters
c) 1 tsp = 5 milliliters
d) 1 tsp = 6 milliliters
Answer: c
Explanation: 1 tsp = 5 milliliters
54.
As part of the same lecture, you ask your students how many milliliters
there are in one tablespoon.
What should be their answer?
a) 15 milliliters
b) 16 milliliters
c) 18 milliliters
d) 20 milliliters
Answer: a
Explanation: Since one tablespoon = 3 teaspoons, then there are 15
milliliters in 1 tablespoon, since there are 5 milliliters in 1
teaspoon.
55.
You now move on with your students to discuss how to convert
measurements of length into metric measurements.
You ask them how many inches there are in one centimeter.
What should be their answer?
a) 0.32 inches
b) 0.41 inches
c) 0.39 inches
d) 0.36 inches
Answer: c
Explanation: One centimeter = 0.39 inches
56.
You then reverse your question and ask your students how many
centimeters there are in one inch.
What should be their answer?
a) 2.34 centimeters
b) 2.39 centimeters
c) 2.54 centimeters
d) 2.68 centimeters
Answer: c
Explanation: There are 2.54 centimeters in 1 inch.
57.
You are now instructing your students about milliequivalents.
What is a millliequivalent?
a) The number of grams per cc in a solution
b) The number of milliliters per cc in a solution
c) The number of milligrams per cc in a solution
d) The number of drams per cc in a solution
Answer: a
Explanation: Millliequivalent is the number of grams per cc in a
solution.
58.
You ask your students what is the millliequivalent of 1 liter.
What should be their answer?
a) 1/10 of 1 gram in 1 liter
b) 1/15 of 1 gram in 1 liter
c) 1/100 of 1 gram in 1 liter
d) 1/1000 of 1 gram in 1 liter
Answer: d
Explanation: The milliequivalent of 1 liter is 1/1000 of 1 gram.
59.
One of your students asks you what the milliequivalent is of 1
milliliter. What do you
answer?
a) 1/100 of 1 gram
b) 1/1000 of 1 gram
c) 1/10 of 1 gram
d) 1/16 of 1 gram
Answer: b
Explanation: The milliequivalent of 1 milliliter is 1/1000 of 1 gram.
60.
You have moved on to discuss volume measurements with your students.
You ask them how many ounces there are in one quart.
What should be their answer?
a) 24 oz.
b) 12 oz.
c) 36 oz.
d) 32 oz.
Answer: d
Explanation: There are 32 oz. in 1 quart.
61.
You ask your students what is the ratio of 1 microgram to 1 gram.
What should be their answer?
a) 0.0001g
b) 0.00001g
c) 0.000001g
d) 0.0000001g
Answer: c
One
microgram is 0.000001g.
62.
Your employee is filling a prescription and asks you how many grains
there are in one gram. What
do you tell him?
a) 15.8 grains
b) 16.4 grains
c) 15.4 grains
d) 17.8 grains
Answer: c
Explanation: There are 15.4
grains in one gram.
63.
The same employee then asks you the ration between grams and milligrams.
What is your answer?
a) 1 mg = 0.001g
b) 1 mg = 0.0001g
c) 1 mg = 0.00001g
d) 1 mg = 0.000001g
Answer: b
Explanation: 1 mg = 0.0001g
64.
You are teaching your students about converting grams and milligrams
into other types of measures.
You ask them what in milligrams the equivalent is in grains.
What should be their answer?
a) 1 grain = 65 mg
b) 1 grain = 60mg
c) 1 grain = 100 mg
d) 1 grain = 1000mg
Answer: a
Explanation: 1 grain = 65 mg
65.
Your student asks you how many grams are in one pound.
How do you answer?
a) 1 lb = 500g
b) 1 lb = 365g
c) 1 lb = 454g
d) 1 lb = 568g
Answer: c
Explanation: 1 lb = 454g
66.
You are instructing a group of employees on how to convert household
measures in grains and grams.
You ask them how many grams are in one ounce.
What should be their answer?
a) 26.8 grams
b) 28.4 grams
c) 32.5 grams
d) 38.6 grams
Answer: b
Explanation: One oz = 28.4 grams
67.
You ask the same group of employees how many grains are in one ounce.
What should be their answer?
a) 233.5 grains
b) 238.5 grains
c) 339.5 grains
d) 437.5 grains
Answer: d
Explanation: 1 oz. = 437.5 grains
68.
You are discussing the conversion of measures of length into the metric
system with your students.
You ask them how many centimeters there are in one inch.
What should be their answer?
a) 3.56 centimeters
b) 2.35 centimeters
c) 2.54 centimeters
d) 2.25 centimeters
Answer: c
Explanation: One inch = 2.54 centimeters
69.
You are testing out a new group of employees on their familiarity with
household measurements you ask them to convert one gallon into quarts,
pints, fluid ounces, and milliliters.
What should be their answer?
a) One gallon = 4 qt., 8 pt., 128 fl. oz. and 3480 milliliters
b) One gallon = 4 qt., 8 pt., 136 fl. oz. and 3260 milliliters
c) One gallon = 4 qt., 8 pt., 148 fl. oz. and 3690 milliliters
d) One gallon = 4 qt., 8 pt., 164 fl. oz. and 3860 milliliters
Answer: a
One
gallon = 4 qt., 8 pt., 128 fl. oz., and 3480 milliliters.
70.
You ask the same group of employees how many fluid ounces there are in
one pint. What should be
their answer?
a) 12 fl. oz.
b) 16 fl. oz.
c) 18 fl. oz.
d) 24 fl. oz.
Answer: b
There
are 16 fl. oz. in 1 pint.
71.
You ask the same group of employees how many cups there are in a pint.
What should be their answer?
a) 4 cups
b) 3 cups
c) 2 cups
d) 2.5 cups
Answer: c
Explanation: There are 2 cups in 1 pint.
72. A
student asks you how many fluid ounces there are in 1 fluid dram.
What is your answer?
a) 8 fl oz.
b) 6 fl. oz.
c) 4 fl. oz.
d) 2 fl. oz.
Answer: a
Explanation: There are 8 fl. oz. in 1 fluid dram.
73.
You then ask the student to tell you how many fluid ounces there are in
one cup. What should be her
answer?
a) 2 fl. oz.
b) 4 fl. oz.
c) 6 fl. oz.
d) 8 fl. oz.
Answer: d
Explanation: There are 8 fl. oz. in 1 cup.
74.
You are teaching your students how to break down different types of
measurements into a variety of categories.
You ask them to tell you how many minims there are in one fluid
dram. What should be their
answer?
a) 30 minim
b) 40 minim
c) 60 minim
d) 80 minim
Answer: c
Explanation: There are 60 minim in 1 fluid dram.
634. Solids
are classified into crystalline, amorphous. Ionic solids are an example
of crystalline solids. Which of the following statement is correct about
ionic solids.
A. They have
good conductivity in solid state
B. They have
low melting points
C. They are
soluble in polar solvents
D. They have
high vapor pressures
Answer: C
Explanation:
Ionic solids are characterized by having poor conductivity, high
melting points, low vapor pressures and high solubility in polar
solvents.
635. Each
atom has many electrons in radius around the nucleus. When electrons
move from n=1 to n=2, where n=number of orbit, the radius of the orbit
increases to:
A. O. 5o
A
B. 1. 58o
A
C. 2. 1o
A
D. 3. 7o
A
Answer: C
Explanation:
The radius of 2nd radius, calculated by Bohr's model is 2. 1oA.
636. The
rate of reaction is dependent upon many factors. Out of these, an
important factor is the ionic character of the reactant molecule. As the
ionic character increases, the rate of reaction:
A. Increase
B. Decreases
C. Remains
the same
D. Becomes
zero
Answer: A
Explanation:
Increase in the ionic character is accompanied by an increase in
the rate of reaction.
637. Charged
bodies when brought close exert force on each other. This force is
dependent upon the distance between the charged particles and the value
of charge on the particles. If the distance between the 2 charged bodies
is halved, the force between them becomes:
A. Double
B. Half
C. Four
times
D. Remains
constant
Answer: C
Explanation:
The force between two charged particles is inversely proportional
to the square of distance between them. So if the distance is halved,
the force becomes 4 times.
638. The e/m
value of cathode rays(rays of electrons) in a discharge tube is:
A. 1. 6022x
1019 Coulombs Kg-1
B. 1. 7588x
1011 Coulombs Kg-1
C. 9. 11x 10-31
Coulombs Kg-1
D. 1. 0974x
107 Coulombs Kg-1
Answer: B
Explanation:
The e/m value of cathode rays 1. 7588x 1011 Coulombs Kg-1
639. During
crystallization the hot filtered solution is cooled at a moderate rate.
This precaution is taken so that
A. Small
sized crystals are formed
B. Big sized
crystals are formed
C. Medium
sized crystals are formed
D.
Microscopic size crystals are formed
Answer: C
Explanation:
Cooling the hot filtered solution at moderate rate is done so
that well formed medium sized crystals are formed.
640. A solid
mixture containing a non volatile n volatile component can b separated
into its components by using an experimental technique:
A. Solvent
extraction
B.
Sublimation
C.
Crystallization
D.
Chromatography
Answer: B
Explanation:
Sublimation is the technique used to separate mixtures containing
volatile and non-volatile mixtures.
641. Which
of the following has the same number of electrons as æ-particle:
A. H
B. He
C. H+
D. Be+
Answer: C
Explanation:
Alpha particles are positively charged particles that are devoid
of any electrons. Similarly H+ ions have no electrons.
642. When
electrons are passed through a magnetic field, they are acted upon by
the field. Thus the force applied on them bends their path towards the:
A. North
pole
B. South
pole
C. The path
does not bend towards any pole
D. Both
poles
Answer: C
Explanation:
The magnetic field does not bend the electrons towards any pole,
but bends their path perpendicular to the field.
643. Burning
of wood is an example of an exothermic reaction. In such reactions, heat
of system __ during reaction:
A. increases
B. Decreases
C. Remains
the same
D. Reaction
does not involve heat production or absorption
Answer: A
Explanation:
In exothermic reactions energy stored in the compounds in the
form of bonds and potential energy is released in heat form.
644. In
endothermic reactions heat of system __ during reaction:
A. Increases
B. Decreases
C. Remains
the Same
D. None of
them
Answer: B
Explanation:
In endothermic reactions heat of system decreases
645. Molar
masses of elements and compounds have same number of atoms/molecules,
which is given by Avogadro’s number. Of the given combination of gases,
which contain same number of molecules:
A. 11g CO2
and 7gN2
B. 11g CO2
and 14 g N2
C. 22 g CO2
and 28g N2
D . 44 g CO2
and 44 g N2
Answer: D
Explanation:
The correct answer is 44 g CO2 and 44 g N2
646. Exothermic reactions are
such reactions where heat is evolved. If temperature of the system is
increased than the reaction will go in ____ direction:
A. Forward
B. Backward
C. No change
occurs
D. Direction
of reaction is independent of temperature of system
Answer: B
Explanation:
The reaction will go in backward direction
647.
Catalysts are elements or compounds that increase the rate of a given
reaction without themselves being consumed. If a catalyst is added to a
reversible reaction, it will
A. Increase
the rate of reaction
B. Increase
the activation energy of reaction
C. Increase
time Taken to reach equilibrium
D. Changes
the temperature of the reaction mixture
Answer: A
Explanation:
Catalysts increase the rate of reaction, decrease the activation
energy, and decrease the time taken to reach equilibrium.
648. Such a
system, which is not effected by any external force or factor is known
as:
A. Inertial
system
B.
Non-inertial system
C. Isolated
system
D.
Non-isolated system
Answer: C
Explanation:
A system which has no external force acting on it is called an
isolated system.
649. pH
scale is a scale used to determine the extent to which a solution is
acidic or alkaline. Which of following solutions has pH=0:
A. 0. 1M HCl
B. 0. 5 M H2SO4
C. 0. 1M HNO3
D. 0. 1m CH3COOH
Answer: B
Explanation:
pH of a 0. 5M solution of H2SO4 is
calculated to be 0.
650. In the
human body, urea is constantly produced by various enzymes. Of the
following enzymes, hydrolysis of urea is catalyzed by:
A. Zymase
B. Invertase
C. Urease
D. Alpha
glycosidase
Answer: C
Explanation:
Urease is the only enzyme among these that hydrolyzes urea.
651. Which
one of the following reaction is example of a homogeneous catalysis:
A.
Hydrolysis of esters
B. Formation
of SO2 by contact process
C. Formation
of NH3 in Haber’s process
D.
Hydrolysis of glucose
Answer: A
Explanation:
Hydrolysis of esters is an example of homogeneous catalysis.
652. For a
given reaction Increase in temperature provides ___ and therefore
chemical reaction is accelerated at high temperature:
A. Heat of
evaporation
B. Optimum
temp
C. Potential
energy
D.
Activation energy
Answer: D
Explanation:
Increasing the temperature of a reaction mixture provides
activation energy, so the reaction is accelerated.
653.
Sublimation ,vaporization, melting and photosynthesis are all examples
of:
A. Physical
process
B. Chemical
process
C.
Endothermic process
D.
Biochemical process
Answer: C
Explanation:
In all of these reactions energy is absorbed. So these are
endothermic reactions.
654. A
particle having mass of an electron and charge of a proton is called a:
A. Photon
B. Positron
C.
Antiproton
D.
Antineutrino
Answer: B
Explanation:
A positron has mass of an electron, but with positive charge.
655. Weak
nuclear force is a kind of nuclear force which has
A. Short
range
B. Long
range
C. Infinite
range
D. None of
these
Answer: A
Explanation:
Weak nuclear forces are short ranged forces that bind the intra-
nuclear particles together.
656. Quarks
are proposed to be the building blocks of mesons and baryons, as
proposed by Gell-Mann and Zweig. With two down quarks and one up quark
which of the following particles can b made:
A. Electron
B. Proton
C. Photon
D. Neutron
Answer: D
Explanation:
Two down and one up quark combine to make a neutron.
657. The
chemical behavior of an atom is determined by its:
A. Binding
energy
B. Mass
number
C. Atomic
number
D. Number of
isotopes
Answer: C
Explanation:
behavior of an element depends on its atomic number.
658.. During
nuclear emission different kind of rays maybe emitted. When a nucleus
emits a gamma ray its mass number decreases by:
A. 4
B. 1
C. 5
D. Remains
same
Answer: D
Explanation:
rays are electromagnetic rays that have no effect on the mass or
atomic number of the atom.
659. Pair
production is the phenomenon when a high energy photon, in the vicinity
of a heavy nucleus, disintegrates to form an electron and a positron.
This can't take place in vacuum because:
A. Photons
can't interact with heavy nucleus
B. Photons
are reflected by the heavy nucleus
C. Absence
of heavy nucleus
D. A high
energy field such as an electric field is required
Answer: C
Explanation:
As there is no heavy nucleus present in vacuum to take the recoil
energy, pair production is not possible there.
660. A
reaction maybe exothermic, endothermic, or isothermic. When energy is
released during a reaction it is said to be:
A.
Exothermic reaction
B. Endo
thermic reaction
C. Free
radical reaction
D. Bond
breaking reaction
Answer: A
Explanation:
In exothermic reactions energy is released to the environment.
661. Mercury
is 13. 6 times as dense as water. The statement shows a _____
measurement:
A.
Quantitative
B.
Qualitative
C. Both
quantitative and qualitative
D. It is not
a measurement at all.
Answer: A
Explanation:
This is a quantitative measurement because the density of Mercury
is quantitatively compared to the density of water.
662. At
constant temperature Which of the following laws study the pressure
volume relationship of a gas:
A. Charles
law
B. Graham's
law
C. Dalton's
law
D. Boyle's
law
Answer: D
Explanation:
The relationship of pressure with volume at constant temperature
is studied by boyle's law.
663. By
charle's law there will be a change in the volume of a given gas by
1/273 of its original volume at 0oC if the temperature of gas
is changed by:
A. 10'c
B. 1'c
C. 100'c
D. 2'c
Answer: B
Explanation:
volume of a gas will change by 1/273 of its original volume if
temperature changes by 1oC
664. If the
absolute temperature of a gas is doubled and pressure is reduced to one
half gas volume will:
A. Remains
same
B. Increases
two times
C. Reduces
to 1/4
D. Increases
4 times
Answer: D
Explanation:
According to the general gas equation the temperature of a gas is
directly, and pressure is inversely proportional to the volume of the
gas.
665. The
temperature above which a gas can't b liquefied no matter how much
pressure is applied is called:
A. Critical
temperature of a gas
B. Absolute
zero
C.
Liquefication temperature
D. Boiling
point
Answer: A
Explanation:
Critical temperature is the temperature above which a gas cannot
be liquefied no matter how much pressure is applied to it.
666. When 2
ice cubes are pressed together they unite to form one cube. Which of the
following forces is responsible for holding them together:
A. Van der
Waal
B. Covalent
bonding
C. Hydrogen
bonding
D.
Dipole-dipole interaction
Answer: C
Explanation:
Hydrogen bonding is the force present between the molecules of
water in an ice cube and it is responsible for holding the molecules
together.
667. If
there are weak intermolecular forces present between the molecules of a
liquid it will be:
A. More
volatile
B. Less
volatile
C. More
dense
D. Less
heavy
Answer: A
Explanation:
Presence of weak intermolecular makes between atoms of a liquid
makes it more volatile.
668. Iodine
is a molecular solid. This is because its molecules are held together
by:
A. Ionic
B. Covalent
C. Metallic
D. Van der
waal's forces
Answer: D
Explanation:
Iodine has large radii that make it possible for its molecules to
form van der wail forces between themselves. That makes it a molecular
solid.
669.
Protons, neutrons and electrons are fundamental particles that form the
composition of an atom. Arrangement of these fundamental particles
within its atom determines its
A. Physical
properties
B. Chemical
properties
C. Both
physical and chemical properties
D.
Fundamental particles do not affect the properties of an atom
Answer: C
Explanation:
Fundamental particles determine both the physical and chemical
properties of an element.
670. Gases
conduct electricity at:
A. High
pressure
B. Low
pressure
C. Ordinary
pressure
D. Abnormal
pressure
Answer: C
Explanation:
Gases conduct electricity at ordinary pressure.
671. When a
hydrogen gas is excited at low pressure by passing current through it,
it emits radiation in the form of a spectrum. The spectrum contains
wavelengths grouped in various series. Of these the Lyman series lies
in:
A.
Ultraviolet region
B. Visible
Region
C. Infrared
region
D. Microwave
region
Answer: A
Explanation:
The wavelengths in Lyman series lies in the ultraviolet region.
672. During
nuclear breakdown, various radiations are emitted which maybe material
or non material in physical nature.
A. ß rays
B. Gamma
rays
C. æ rays
D. Cathode
rays
Answer: B
Explanation:
Gamma rays are high energy photons which do not have any mass and
are non material.
672.
Whenever a chemical bond is formed, it is accompanied by a change in the
energy of a system. The formation of a chemical bond is accompanied by:
A. Decrease
in energy
B. Increase
in energy
C. The
repulsive forces overcoming attractive forces
D. No change
in energy occurs
Answer: A
Explanation:
Formation of a chemical bond is accompanied by decrease of energy
of the products.
673. Which
of following species have same total number of electrons as do a neon
atom:
A. Mg+
B. Na+
C. HCl
D. OH-
Answer: B
Explanation:
After losing an electron, the total number or electrons on Na+
ion become equal to a neon atom.
674.
SI(system international) has made a comprehensive system for standard
measurements. In the SI-System heat contents are measured in units of:
A. Calorie
B. Joules
C. Ergs
D. Watts
Answer: B
Explanation:
Joule is the standard unit in which the heat content of a system
is measured.
675. An
exothermic reaction is one in which heat is evolved during the formation
of products from reactants. In such an exothermic reaction:
A. Enthalpy
of reactants is lesser than that of products
B. Enthalpy
of reactants is greater than that of products
C. Heat is
transferred from the surrounding to the system
D. Enthalpy
of reactants and products is the same
Answer: B
Explanation:
The enthalpy of the reactants is greater than that of products
because some energy that was stored in the products is lost during the
chemical reaction and lost in the form of heat. So the total enthalpy of
the products becomes lesser than the products.
676. _____
is a state function of a system which describes together the internal
energy and potential of work that can be done by the system is:
A. Enthalpy
B. Energy
change
C. Work
function
D. Free
energy
Answer: D
Explanation:
Free energy is a state function of a system under observation
that describes both the internal energy of the system and the amount of
potential work that can be done by the system.
677. An
endothermic reaction is one in which the system absorbs energy from the
atmosphere. The ΔH of an endothermic reaction carries a positive sign
because:
A. Heat is
evolved
B. Heat is
absorbed
C. Energy
changes are positive
D. It has no
relation to the energy of reaction
Answer: B
Explanation:
Because heat is absorbed during an endothermic reaction, the sign
for ΔH is positive.
678. The ΔH
for a reaction is -110Kcal/mol. This value of ΔH shows that reaction is:
A.
Endothermic
B.
Exothermic
C. Not
stable
D. It needs
a catalyst
Answer: B
Explanation:
The negative value for ΔH shows that heat is being evolved(lost)
by the system. So the reaction would be exothermic.
679. An
endothermic reaction proceeds with absorption of energy from the
environment. So for an endothermic reaction to occur in the reverse
direction the same amount of heat is to be:
A. Added
B. Evolved
C. Some
amount is added while some is evolved
D. None
Answer: B
Explanation:
Since in endothermic reactions heat is absorbed, so in the
reverse reaction, heat must be evolved.
680. Buffer
solutions are such that resist change in pH, even if small amounts of
strong acid or base is added to it. A buffer solution having pH less
than 7 is made by:
A. Mixture
of weak acid + salt of it with strong base
B. Mixture
of weak acid +salt of it with weak base
C. Mixture
of weak base +salt of it with strong acid
D. Mixture
of weak base+salt of it with weak base
Answer: A
Explanation:
An acidic buffer is made by mixing in a solution a weak acid with
a salt of it with a strong base.
681. pH of
human blood is essentially maintained at a constant value due to
carbonates, bicarbonates, and proteins etch The value at which it is
maintained is:
A. 7
B. 7. 25
C. 7. 35
D. 7. 47
Answer: C
Explanation:
The pH of blood is maintained at a value of 7. 35 by various
buffers in the body, for example bicarbonate buffer and the protein
buffer.
682. The
oxidation state of Mn in KMnO4 is
A. +2
B. +4
C. +6
D. +7
Answer: D
Explanation:
The correct answer is +7
683. In the
given reaction Cu +HNO3 =====>Cu(NO3)2
+NO+H20 the atom which is oxidized is
A. Cu
B. H
C. N
D. O
Answer: A
Explanation:
In the above reaction, proceeding in forward direction, the atom of
copper is being oxidized.
684. The
oxidation state of an element is the positive or negative charge on it,
possibly due to a redox reaction. The oxidation state is zero when:
A. The
element forms oxides
B. The
element forms hydrides
C. The
element is in free state
D. It is
zero only for noble gases
Answer: C
Explanation:
In the free state the oxidation of an element is always zero.
685. A
galvanic cell consists of a cathode and an anode. At the cathode which
reaction always occurs:
A. Oxidation
B. Reduction
C. Both a
and b
D. No
reaction occurs
Answer: B
Explanation:
At the cathode always reduction takes place.
(888)
265-4301 