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Biology MCQS section -1
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Biology MCQS section -1
1
Where is glucose stored in the body?
A
bones
B
blood
C
organs
D
None of the above
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✅ Correct Answer: 2
2
Which is the Largest Organ in the Human Body?
A
Heart
B
Brain
C
Skin
D
Liver
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✅ Correct Answer: 3
3
The disease Goitre is caused in persons who do not have in their diet sufficient
A
calcium
B
sodium
C
iodine
D
iron
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✅ Correct Answer: 3
4
Organisms that feed on the excreta of other organisms are called
A
autotrophs
B
heterotrophs
C
coprophagous
D
saprotrophs
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✅ Correct Answer: 3
5
Nissil granules occur in
A
Eosinophil
B
Glial cell
C
Neuron
D
Lymphocyte
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✅ Correct Answer: 3
6
Amino acids can be distinguished from one another by
A
type of bond between the R group and the rest of the molecule
B
the number of R groups found on the amino acid molecules
C
the chemical properties of their R groups
D
the chemical properties of the amino and carboxyl groups
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✅ Correct Answer: 3
7
Conversion of Glycogen to Glucose is stimulated by
A
Insulin
B
Cortisol
C
Glucagon
D
Progesterone
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✅ Correct Answer: 3
8
Branch of biology in which we study about relationship between living and their environment
A
Physiology
B
Genetics
C
Ecology
D
Geology
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✅ Correct Answer: 3
9
In which of the following organelles does photosynthesis take place?
A
Miochondria
B
Chloroplast
C
Central Vacuole
D
Ribosome
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✅ Correct Answer: 2
10
Food wrapped in news paper is likely to get contaminated by
A
Magnesium
B
Alluminium
C
Lead
D
Copper
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✅ Correct Answer: 3
11
Cholesterol belongs to which class of molecules?
A
Lipids
B
Carbohydrates
C
Nucleic acids
D
Proteins
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✅ Correct Answer: 1
12
Genes are situated on _________
A
Chromosome
B
Mitochondria
C
Plastids
D
Ribosomes
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✅ Correct Answer: 1
13
Which of the following crops would be preffered for sowing in order to enrich the soil with nitrogen?
A
Wheat
B
Mustard
C
Sunflower
D
Gram
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✅ Correct Answer: 4
14
Branch of science which deal with the study of causative agent of disease is __________
A
Ecology
B
Etiology
C
Eugenics
D
Euthenics
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✅ Correct Answer: 2
15
Which of the following is not an enzyme?
A
Oxytocin
B
Trypsin
C
Pepsin
D
Ptyalin
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✅ Correct Answer: 1
16
When during the Cell Cycle are Chromosomes visible?
A
only during interphase
B
only during cell division
C
only during G1 phase
D
only during they are replicated
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✅ Correct Answer: 2
17
Which of the following statements best describes nutrient density?
A
Consume a variety of foods from MyPyramids ve major food groups every day.
B
Consume foods that have the most nutrition for their kcalories
C
Choose a number of diFerent foods within any given food group rather than the same old thing.
D
All the above
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✅ Correct Answer: 2
18
Where are Enzymes found?
A
food
B
human body
C
medicines
D
none
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✅ Correct Answer: 2
19
Voluntary muscles are contained in the .........
A
heart
B
hind limb
C
liver
D
lung
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✅ Correct Answer: 2
20
The process of bones increasing in width is known as
A
appositional growth
B
closing of the epiphyseal plate
C
concentric growth
D
long bones reaching adult length and width
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✅ Correct Answer: 1
21
What happens during the S-phase of the cell cycle?
A
cell division
B
cell growth
C
DNA replication
D
protein and enzyme synthesis
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✅ Correct Answer: 3
22
Which structure is common to plant and animal cells?
A
Centriole
B
Chloroplast
C
Central Vacuole
D
Mitochondria
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✅ Correct Answer: 4
23
What provides electrons for the light reactions?
A
Water
B
Oxygen
C
Carbon dioxide
D
Light
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✅ Correct Answer: 1
24
Origins of genetic variation
A
intragenic recombination
B
mutation
C
reticulation
D
All the above
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✅ Correct Answer: 4
25
Cretinism is due to the disorder of the glands
A
Thymus
B
Parathyroid
C
Thyroid
D
Adrenal
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✅ Correct Answer: 3
26
Green pigment is called
A
Chlorophyll
B
Xanthophyll
C
Carotene
D
Phycobillin
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✅ Correct Answer: 1
27
The technique of DNA fingerprinting in human was developed for first time by _________
A
Lalji Singh
B
Alec Jeffreys
C
R. Ericson
D
J. Black
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✅ Correct Answer: 2
28
At what temperature do pathogenic bacteria grow best in food?
A
5 to 15 degrees Celsius
B
15 to 25 degrees Celsius
C
20 to 45 degrees Celsius
D
40 to 65 degrees Celsius
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✅ Correct Answer: 3
29
Finger like ends of the fallopian tubes are called
A
Fimbriae
B
Cysts
C
Papillae
D
Labia
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✅ Correct Answer: 1
30
ATP is a compound that is synthesized when
A
digestive enzymes break amino acids into smaller pieces
B
energy stored in nitrogen is released froming amino acids
C
energy is stored in chemical bonds is released during cellular respiration
D
chemical bonds between carbon atoms are formed by during photo synthesis
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✅ Correct Answer: 3
31
Best suited for areas subject to friction, the epithelial tissue is called as
A
transitional
B
simple columnar
C
straited squamous
D
areolar
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✅ Correct Answer: 3
32
An olfactory stimulus travels from receptor to
A
amygdala
B
pons
C
olfactory bulb
D
thalamus
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✅ Correct Answer: 3
33
Antisnake venom is prepared by
A
Pasteur institute
B
Hoffkine's institute
C
Birla's Institute
D
Indian science Institute
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✅ Correct Answer: 2
34
Infection of salivary glands by a virus leads to
A
tetanus
B
mumps
C
pyorrhoea
D
ulcers
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✅ Correct Answer: 2
35
Which structure is not part of the Endomembrane System?
A
Chloroplast
B
Plasma membrane
C
Nuclear envelope
D
Golgi apparatus
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✅ Correct Answer: 1
36
Man has _____ pairs of salivary glands
A
3
B
4
C
6
D
8
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✅ Correct Answer: 3
37
Which of the following serve as antibodies?
A
Proteins
B
Lipids
C
Carbohydrates
D
Nucleic acids
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✅ Correct Answer: 1
38
Which of the following does not influence haemoglobin saturation?
A
Nitric oxide
B
Carbon dioxide
C
Temperature
D
DPG
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✅ Correct Answer: 1
39
Pressure, pain, and temperature receptors in the skin are
A
Exteroceptors
B
Proprioceptors
C
Interoceptors
D
Mechanoreceptors
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✅ Correct Answer: 1
40
Where in the cell are chromosomes located?
A
mitochondria
B
DNA
C
RNA
D
Nucleus
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✅ Correct Answer: 4
41
Cells with similar markers stick together and function as
A
Organs
B
Tissues
C
Systems
D
Organisms
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✅ Correct Answer: 2
42
Genes contain instructions for assembling what?
A
Amino acids
B
Proteins
C
Nucleotides
D
All of the above
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✅ Correct Answer: 2
43
How many pints of blood in the human body?A) 6 - 8 B) 10 - 12C) 8 - 10 D) 5 - 7
A
6 8
B
10 12
C
8 10
D
5 7
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✅ Correct Answer: 2
44
What part of the body controls balance?
A
Cerebrum
B
Cerebellum
C
Medulla oblangata
D
Amygdala
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✅ Correct Answer: 2
45
How many chromosomes are in a human gamete?
A
23
B
46
C
92
D
102
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✅ Correct Answer: 1
46
What process immediately preceeded protein synthesis at the ribosome?
A
transcription
B
replication
C
translation
D
duplication
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✅ Correct Answer: 1
47
Genes are made of
A
Carbohydrates
B
Proteins
C
Fats
D
Nucleotides
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✅ Correct Answer: 4
48
What color is Lobster blood?
A
Blue
B
White
C
Red
D
Colourless
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✅ Correct Answer: 1
49
Which of these does not contain a structural protein?
A
Tendons
B
Ovalbumin
C
Muscles
D
Ligaments
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✅ Correct Answer: 2
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