1MCQ: Strand of RNA is made of
A.
ribose sugar
B.
phosphate unit
C.
nitrogen base
D.
all of above
Answer D
2MCQ: Which of the following
activates more than 100 different enzymes?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer B
3MCQ: Which of the following are
obtained from fruits, vegetables, and cereals?
A.
monosaccharides
B.
sucrose
C.
cellulose
D.
starch
Answer A
4MCQ: Which of the following is
not included in fat-soluble vitamins?
A.
vitamin A
B.
vitamin D
C.
vitamin E
D.
vitamin B
Answer D
5MCQ: Which of the following is
used to make rectified spirit by fermentation process?
A.
cellulose
B.
starch
C.
glucose
D.
fructose
Answer –B
6MCQ: Plants convert glucose (C6H12O6)
in to
A.
starch only
B.
cellulose only
C.
sucrose
D.
starch and cellulose
Answer D
7MCQ: How many amino acids are
synthesized by our bodies?
A.
10
B.
20
C.
30
D.
40
Answer - A
8MCQ: The condensed structural
formula of Caproic acid is
A.
CH3-CH2-CH2-COOH
B.
CH3-(CH2)4-COOH
C.
CH3-(CH2)14-COOH
D.
CH3-(CH2)16-COOH
Answer- B
9MCQ: Vitamin B is necessary for
A.
eyes and skin
B.
energy production in cells
C.
healing wounds and preventing colds
D.
bones and teeth
Answer B
10MCQ: Starch is an example of?
A.
monosaccharides
B.
oligosaccharides
C.
polysaccharides
D.
lipids
Answer C
11MCQ: Which of the following
causes dry skin when taken in excess amount?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer - A
12MCQ: Deficiency of vitamin A
causes
A.
night blindness
B.
anemia and bleeding gums
C.
scurvy
D.
rickets and Osteomalacia
Answer - A
13MCQ: Vitamin B is soluble in
A.
fat
B.
water
C.
alcohol
D.
ethers
Answer B
14MCQ: Which of the following is
the key to the ability of DNA to store genetic information and to pass it on from generation to
generation?
A.
double stranded structure of DNA
B.
deoxyribose sugar
C.
phosphate unit
D.
nitrogen base
Answer A
15MCQ: Which of the following is
obtained by heating bones and tendons in the water?
A.
gelatin
B.
enzyme
C.
amylase
D.
lactase
Answer –
A
16MCQ: Deficiency of vitamin D
causes
A.
night blindness
B.
anemia and bleeding gums
C.
scurvy
D.
rickets and Osteomalacia
Answer -D
17MCQ: Cellulose is obtained from?
A.
animals
B.
microorganisms
C.
plants
D.
bacteria
Answer - C
18MCQ: How much energy is provided
by 1g of glucose?
A.
15.6 KJ
B.
16.8 KJ
C.
20 KJ
D.
1.2 KJ
Answer - A
19MCQ: How many types of vitamins
are there?
A.
two
B.
three
C.
four
D.
five
Answer –
A
20MCQ: The key to the ability of
DNA to pass and store genetic information is its
A.
hydrogen bonding
B.
double stranded structure
C.
deoxyribose sugar
D.
nitrogen base
Answer B
21MCQ: In what form is glucose
stored in animal muscles and liver cells?
A.
glucagon
B.
vitamins
C.
glycogen
D.
starch
Answer C
22MCQ: Vitamin E is necessary for
A.
eyes and skin
B.
energy production in cells
C.
antioxidant
D.
blood clotting
Answer C
23MCQ: Nucleic acids were first
obtained from
A.
blood of infected wounds
B.
pus of infected wounds
C.
skin
D.
muscles
Answer B
24MCQ: Which of the following used
the word 'vitamin' for the missing factors that were needed to sustain healthy growth?
A.
C. Eijkman
B.
F.G Hopkins
C.
Casmir Funk
D.
Jabar Bin Hayan
Answer
- C
25MCQ: Which of the following is important
in vision?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer A
26MCQ: Which of the following is
true about DNA?
A.
it is present in cell nucleus
B.
it has single strand
C.
it has ribose sugar
D.
it is synthesized by RNA
Answer A
27MCQ: The physical state of fat
at room temperature is
A.
solid
B.
liquid
C.
gas
D.
plasma
Answer A
28MCQ: Which of the following
protects our heart and kidneys from injury?
A.
skin
B.
muscles
C.
lubricants
D.
fat
Answer D
29MCQ: Which of the following is
used as a catalyst in hydrogenation reaction?
A.
Ni
B.
Pd
C.
Pt
D.
all of above
Answer D
30MCQ: Which of the following are
glucose and fructose?
A.
monosaccharides
B.
oligosaccharides
C.
polysaccharides
D.
starch
Answer A
31MCQ: When hydrogen is added to
an alkene, the process is called
A.
dehydration
B.
Dehydrohalogenation
C.
hydrogenation
D.
hydrochlorination
Answer C
32: Considering the structure
of DNA, each strand is made up of
A.
deoxyribose sugar
B.
phosphate unit
C.
nitrogen base
D.
all of above
Answer D
33MCQ: Which of the following is necessary
for proper bone and tooth growth?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer D
34MCQ: Source of caproic acid is
A.
butter
B.
palm oil
C.
beef fat
D.
olive oil
Answer A
35MCQ: In the
structure of DNA, how many strands are twisted around each other?
A.
one
B.
two
C.
three
D.
four
Answer B
36MCQ: The vitamin which helps in
chemical transmission of images from the eye to the brain is
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer A
37MCQ: Specific organic compounds
which are required by our bodies to prevent specific diseases but cannot be produced by our
bodies are called
A.
hydrocarbons
B.
carbohydrates
C.
proteins
D.
vitamins
Answer D
38MCQ: Source of butyric acid is
A.
butter
B.
palm oil
C.
beef fat
D.
olive oil
Answer A
39MCQ: Which of the following is
used in the form of wood for heat, housing, and furniture?
A.
cellulose
B.
starch
C.
monosaccharides
D.
oligosaccharides
Answer
A
40MCQ: Raffinose is an example of
A.
monosaccharides
B.
disaccharides
C.
polysaccharides
D.
Trisaccharides
Answer D
41MCQ: Anemia, bleeding gums and tongue inflammation is caused by
the
deficiency of
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer B
42MCQ: Which of the following is caused due to an extreme lack of
proteins?
A.
malaria
B.
typhoid
C.
kwashiorkor
D.
anemia
Answer C
43MCQ: Two fatty acids that are components of fats are
A.
stearic acid and
oleic acid
B.
butyric acid and
caproic acid
C.
palmitic acid and
oleic acid
D.
none of above
Answer B
44MCQ: Existence of RNA is in the form of
A.
single strand
B.
double strand
C.
triple strand
D.
four strands
Answer A
45MCQ: The amino acids which are no synthesized by the human body
are called
A.
essential amino acids
B.
non essential amino
acids
C.
simple amino acids
D.
complex amino acids
Answer B
46MCQ: Nutrition is derived by cows, cattle, goats, deer, sheep, and
termites from
A.
cellulose
B.
starch
C.
monosaccharides
D.
oligosaccharides
Answer A
47MCQ: Monosaccharides (simple sugars) have
A.
oxidizing nature
B.
reducing nature
C.
redox nature
D.
neutralizing nature
Answer B
48MCQ: Which of the following causes a feeling of pressure inside
the head when
taken in excess amount?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer A
49MCQ: What happens if water-soluble vitamins are taken in excess?
A.
they cause harm
B.
they are readily
excreted from the body
C.
they cause no harm
D.
they are not excreted
from the body
Answer B
50MCQ: Source of palmitic acid is
A.
butter
B.
palm oil
C.
beef fat
D.
olive oil
Answer B
51MCQ: Cotton is an example of pure
A.
cellulose
B.
sucrose
C.
starch
D.
cloth
Answer A
52MCQ: Which of the following are long-chain carboxylic acids?
A.
fats
B.
oils
C.
proteins
D.
fatty acids
Answer D
53MCQ: Which of the following is not true about RNA?
A.
it is synthesized by
DNA
B.
it has deoxyribose
sugar
C.
it has single strand
D.
it is responsible for
directing synthesis of new proteins
Answer B
54MCQ: The human body can synthesize only
A.
12 amino acids
B.
10 amino acids
C.
15 amino acids
D.
5 amino acids
Answer B
55MCQ: What is the term used for the linkage which joins two amino
acid units?
A.
amino group
B.
carboxyl group
C.
peptide bond
D.
dipeptide
Answer D
56MCQ: Which of the following is required for the formation of
blood?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer C
57MCQ: Which of the following acts as a thermal insulator in
mammals?
A.
skin
B.
fat
C.
lipids
D.
proteins
Answer B
58MCQ: Proteins that catalyze specific biological reactions without
which life would
be impossible are called
A.
gelatin
B.
enzymes
C.
amylase
D.
lactase
Answer B
59MCQ: The linkage which joins two amino acid units is called
A.
peptide bond
B.
covalent bond
C.
ionic bond
D.
hydrogen bond
AnswerA
60MCQ: If a lipid is liquefied at room temperature, it is called
A.
fat
B.
oil
C.
proteins
D.
ghee
Answer B
61MCQ: Which of the following is added to fruit juices and flavored
drinks to
prevent scurvy and elimination of rickets?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer C
62MCQ: Which of the following is not true about polysaccharides?
A.
they are amorphous
solids
B.
they are tasteless
C.
they are insoluble in
water
D.
they are reducing in
nature
Answer D
63MCQ: Which of the following
keeps the cornea moist?
A.
vitamin A
B.
vitamin B
C.
vitamin C
D.
vitamin D
Answer D
64MCQ: The resulting molecule after joining two amino acid units is
called a/an
A.
amino group
B.
carboxyl group
C.
peptide bond
D.
dipeptide
Answer D
