Biology Questions for SSC-CPO
Download SSC CPO Biology Questions with answers PDF based on previous papers very useful for SSC CPO exams. Very important biology Questions for SSC exams.
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Question 1: Complete digestion of carbohydrates, proteins and fats takes place in the:
a) Oesophagus
b) Stomach
c) Small intestine
d) Large intestine
Question 2: The …….. is responsible for precision of voluntary actions and for maintaining the
posture and balance of the body.
a) Mid-brain
b) Cerebellum
c) Cerebrum
d) Spinal cord
Question 3: Which cell organelle is called the Master of the Cell?
a) Endoplasmic reticulum
b) Mitochondria
c) Nucleolus
d) Nucleus
Question 4: Pollen grains are found in:
a) stigma
b) ovules
c) anthers
d) locule
Question 5: ‘Leech’ belongs to which group?
a) Insect
b) Mammals
c) Parasite
d) None of these
Question 6: Rickets is caused due to the deficiency of
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin B12
Question 7: Oxyntic cell is meant for the secretion of
a) Pepsin
b) Enterokinase
c) Hydrochloric acid
d) Lactic acid
Question 8: Which endocrine gland is found in chest cavity ?
a) Thyroid gland
b) Adrenal gland
c) Pineal gland
d) Thymus gland
Question 9: An example of hormone is
a) Oxytocin
b) Renin
c) Peprin
d) Cytosine
Question 10: Cement factory workers are prone to
a) Leukemia
b) Cytosilicosis
c) Bone marrow disease
d) Asbestosis
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Question 11: The antibiotic penicillin is obtained from:
a) a bacterium
b) fungus
c) synthetic means
d) virus-infected cells
Question 12: ……… tissue changes the diameter of a blood vessel.
a) Heart
b) Muscle
c) Epithelial
d) Bone
Question 13: In human beings, the respiratory pigment is:
a) Chlorophyll
b) Melanin
c) Rhodopsin
d) Haemoglobin
Question 14: Dwarf plants can be made taller by applying
a) Cytokinins
b) Dormin
c) Auxins
d) Gibberellins
Question 15: With which part of the body is the disease “Bronchitis” associated?
a) Ears
b) Eues
c) Nose
d) Lungs
Question 16: The first photosynthetic oxygen liberating organisms to appear on earth were:
a) Cyanobacteria
b) Bacteria
c) Bryophytes
d) Green algae
Question 17: ……. is concerned with cell division.
a) Cytokinin
b) Gibberellin
c) Maleic hydrazide
d) Auxins
Question 18: What is the national animal of Bangladesh?
a) Royal Bengal Tiger
b) Python
c) Goat
d) Buffalo
Question 19: Stigma and Style in a plant are part of __________
a) Pistil
b) Stamen
c) Sepal
d) Anther
Question 20: Which tissue in the plant transports food?
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Question 21: Which component of the blood transports food, $CO_2$ and nitrogenous waste?
a) WBCs
b) Blood platelets
c) RBCs
d) Plasma
Question 22: The disease which has been eradicated ?
a) Measles
b) Mumps
c) Small pox
d) Chicken pox
Question 23: The breakdown of glucose to pyruvate takes place in the …….. during energy production.
a) cytoplasm
b) mitochondria
c) nucleus
d) endoplasmic reticulum
Question 24: ……… cells are embedded in a hard matrix that is composed of calcium and phosphorus.
a) Ligament
b) Blood
c) Bone
d) Cartilage
Question 25: Fertilisation results in the formation of a/an:
a) Ovary
b) Zygote
c) Gamete
d) Germ cell
Question 26: Fertilisation occurs in the ……….
a) Vagina
b) Uterus
c) Fallopian tube
d) Cervix
Question 27: The organs that have the same basic structure (or same basic design) but different functions are called:
a) homologous organs
b) biogenetic law
c) analogous organs
d) fossils
Question 28: The presence of cobalt in vitamin B12 was established for the first time by
a) spectroscopy
b) borax-Bead test
c) sodium nitroprusside test
d) hydrolysis test
Question 29: Hypothermia occurs due to loss of excessive heat from body due to sudden low body temperature in:
a) Frogs
b) Human beings
c) Lizards
d) Snakes
Question 30: In a food chain, the solar energy utilized by plants is only
a) 10 per cent
b) 1 per cent
c) 0.1 per cent
d) 0.01 per cent
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Question 31: Which disease is caused due to deficiency of Iodine?
a) Rickets
b) Scurvy
c) Goitre
d) Growth retardation
Question 32: The normal cholesterol level in human blood is
a) 80 – 120 mg%
b) 120 – 140 mg%
c) 140 – 180 mg%
d) 180 – 200 mg%
Question 33: A section of DNA that provides information for one protein is called the ……….
a) lysosome
b) gene
c) chromosome
d) nucleus
Question 34: Which part of the brain regulates breathing?
a) Cerebellum
b) Medulla
c) Fore-brain
d) Mid-brain
Question 35: …….., present in the centre of a flower, forms the female reproductive part.
a) Sepals
b) Petals
c) Carpels
d) Stamens
Question 36: …….. is the liquid part of the blood of which 92% is water and the remaining 8% is
proteins, minerals, hormones, enzymes, and so on.
a) RBC
b) Plasma
c) Blood platelet
d) WBC
Question 37: How many bones are there in the human body?
a) 204
b) 206
c) 208
d) 210
Question 38: A tendon is made up of:
a) inelastic connective tissue fibres
b) inelastic and elastic connective tissue fibres
c) only collagen fibres
d) elastic connective tissue fibres
Question 39: Ligaments connect bone to _____?
a) Bone
b) Muscle
c) Adipose tissue
d) Smooth mucle tissue
Question 40: Which is the female reproductive part of plant?
a) Stamen
b) Pistil
c) Anther
d) Filament
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Question 41: What is Coelom?
a) A muscle
b) A bone
c) Tissue
d) Body cavity
Question 42: Which type of pathogen causes the water-borne disease Ascariasis?
a) Viral
b) Protozoan
c) Bacterial
d) Parasitic
Question 43: Which type of pathogen causes the water-borne disease Dysentery?
a) Algal
b) Parasitic
c) Protozoan
d) Bacterial
Question 44: Which part of brain is also known as “little brain”?
a) Cerebrum
b) Cerebellum
c) Thalamus
d) Hypothalamus
Question 45: A medical procedure, during which a small sample of tissue is removed from a part of the body, is __________________.
a) MRI
b) CT Scan
c) Biopsy
d) All options are correct.
Question 46: The energy released at the end of digestion is in the form of:
a) thermal energy
b) electric energy
c) kinetic energy
d) chemical energy
Question 47: _____ , found in blood, is responsible for oxygen transportation.
a) WBC
b) Plasma
c) Platelets
d) RBC
Question 48: Testes are located outside the abdominal cavity in the:
a) Urinary bladder
b) Ovary
c) Vagina
d) Scrotum
Question 49: Reproducing new plants bycells instead of vegetative parts or seeds is called:
a) tissue culture
b) regeneration
c) multiple fission
d) binary fission
Question 50: Normal blood pressure reading of an adult human:
a) 80/120mmHg
b) 120/80mmHg
c) 130/90mmHg
d) 160/95mmHg
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Answers & Solutions:
1) Answer (C)
2) Answer (B)
3) Answer (D)
4) Answer (C)
5) Answer (C)
6) Answer (C)
7) Answer (C)
8) Answer (A)
9) Answer (A)
10) Answer (B)
11) Answer (B)
12) Answer (B)
13) Answer (D)
14) Answer (C)
15) Answer (D)
Bronchitis is associated with Lungs.
16) Answer (A)
17) Answer (A)
18) Answer (A)
19) Answer (A)
20) Answer: Phloem tissue
21) Answer (D)
22) Answer (C)
23) Answer (A)
24) Answer (C)
25) Answer (B)
26) Answer (C)
27) Answer (A)
28) Answer (B)
29) Answer (B)
30) Answer (C)
31) Answer (C)
32) Answer (D)
33) Answer (B)
34) Answer (B)
35) Answer (C)
36) Answer (B)
37) Answer (B)
38) Answer (C)
39) Answer (A)
40) Answer (B)
41) Answer (D)
42) Answer (D)
43) Answer (D)
44) Answer (B)
45) Answer (C)
46) Answer (D)
47) Answer (D)
48) Answer (D)
49) Answer (A)
50) Answer (B)
We hope this Biology Questions for SSC CPO Exam will be highly useful for your preparation.
