1. Which is the largest gland found in the
human body?
a. Thyroid
b. Liver
c. Pancreas
d. Stomach
2. Water has maximum density at____________?
a. 0°C
b. 4°C
c. 4° K
d. 48°F
3. What is called the scientific study of living?
a. Anatomy
b. Zoology
c. Botany
d.
Biology
4. The word “Biology” has been derived
from_________ word?
a. Latin
b. English
c. Greek
d.
French
5. According to modern system of taxonomy,
living organisms have been classified into the _____________?
a. Three Kingdoms
b. Five Kingdoms
c. Two Kingdoms
d. Six Kingdoms
6. Kingdom Protoctista belongs to which of
the following?
a. Fungi
b. Prokaryotes
c. Protists
d.
Piantae
7. The study of organisms inhabiting the sea
and Ocean and the physical and chemical characteristics of their environment
is:
a. Water Biology
b. Marine Biology
c. Environmental Biology
d. Fresh Water Biology
8. Which of the following is not recycled in
the ecosystem?
a. Wind
b. Carbon
c. Oxygen
d.
Energy
9. Endocrine system consists of _______
glands or tissues.
a. 20
b. 25
c. 30
d. 35
10. Nuclein is in its nature is __________.
a. sweet
b. acidic
c. neutral
d. salty
11. Medulla oblongata and pons are
collectively called _________?
a. Brain stem
b. Brain base
c. Brain root
d. Brain Nerves
12. The actual number of naturally accusing
chemical elements involved in the biochemical reaction is;
a. 126
b. 46
c. 92
d.
206
13. Which is not a category of classification
in biology?
a. ecotype
b. Species
c. Genus
d.
Order
14. Which of the following bonds are broken
during the oxidation-reduction reaction?
a. C-H
b. C-N
c. C-O
d. C-S
15. All of the following can treat kidney
stones except?
a. Medicine
b. Surgery
c. Lithotripsy
d.
Dialysis
16. Which structure gives ability to the
bacterial cell to form biofilm?
a. Slime
b. Mesosomes
c. Capsule
d.
Flagella
17. In humans no of the tetrads formed during
mitosis is __________?
a. 23
b. 46
c. 0
d. None of Them
18. The scientific or biological name of the cat
is _________?
a. Felis
b. Ficus
c. Homo
d. Tigris
19. Path of the Blood present in vessels
called __________?
a. Capillaries
b. Lumen
c. Platelets
d. Plasma
20. How many of the bio elements constitute
99% of the total human body?
a. 8
b. 4
c. 6
d.
2
21. Bacteria protect themselves from viruses
by fragmenting viral DNA with ______.
a. Ligase
b. Endonuclease
c. Exonuclease
d. Gyrase
22. The expression of a transgene in the
target tissue is identified by a __________.
a. Transgene
b. Promoter
c. Enhancer
d.
Reporter
23. The energy currency of the cell is called
___________.
a. ATP
b. DNA
c. RNA
d. ADP
24. During anaerobic respiration the final
electron acceptor in the electron transport chain is:
a. Molecular oxygen
b. NADP+
c. water
d.
Sulfate
25. During the fermentation process…… ATP molecules
are produced per glucose molecule.
a. 2
b. 4
c. 6
d. 8
26. PCR technique was invented by__________.
a. Kerry Mullis
b. Boyer
c. Sanger
d.
Cohn
27. RNA interference helps in__________.
a. Cell proliferation
b. Micro propagation
c. Cell defence
d.
Cell differentiation
28. The first ever transgenic plant to be
produced is__________.
a. Wheat
b. Tobacco
c. Rice
d. Cotton
29. The DNA fragments have sticky ends due
to___________.
a. Endonuclease
b. Unpaired bases
c. Calcium ions
d. free methylation
30. What is the nickname of glucose?
a. Dextrose
b. Sugar
c. Glycogen
d.
Starch
31. Variation in the size of red blood cells
is called __________.
a. hypochromia
b. Anisocytosis
c. Poikilocytosis
d. Polychromatophilia
32. Bean-shaped cells in plants are called
________.
a. Mesophyll cells
b. Xylem Cells
c. Phloem Cells
d. Guard Cells
33. Lungs are situated in the __________.
a. abdominal cavity
b. pericardial cavity
c. Buccal cavity
d. Thoracic
cavity
34. Who is called the Father of Biotechnology?
a. Karl Ereky
b. Alexander
c. Darwin
d. Louis pasture
35. The Process of egg formation in the female is called
________.
a. oocyte
b. oogenesis
c. Oviduct
d. None of them
36. Who is called the father
of Genetics?
a. Morgan
b. Darwin
c. Aristotle
d. Mendel
37. ___________ is the Link
between living and non-living organisms.
a. Bacteria
b. Virus
c. Cyanobacteria
d. Plants
38. There are about _________ muscles found in the human body.
a. 206
b. 300
c. 650
d. 703
39. A single heartbeat involves ________
stages.
a. 1
b. 2
c. 3
d.
4
40. Which of the following diseases induces
immunity?
a. Smallpox
b. Jaundice
c. Diabetes
d. Polio
41. On average, the human heart beats about
________ times in one’s life.
a. 2.8 Billion
b. 3.7 Billion
c. 4.2 Billion
d. 4.5 Billion
42. Which of the following cell organelles
does not contain DNA?
a. Nucleus
b. Lysosomes
c. Chloroplast
d. None of them
43. The small intestine has three parts. The
first part is called________.
a. Duodenum
b. Oesophagus
c. Larynx
d.
None of them
44. Human skin colour is _________.
a. Multifactorial
b. Pleiotropic
c. Polygenic
d.
Epistatic
45. Which of the following allows precise
muscular movements?
a. Cerebrum
b. Cerebellum
c. Thalamus
d. Hypothalamus
46. Prokaryotes don’t have________.
a. Cell membrane
b. Nucleus
c. Cytoplasm
d. None of them
47. Blood vessels which carry deoxygenated blood
are called__________.
a. Arteries
b. Veins
c. Capillaries
d. All of them
48. Which one of the following is called the
Blood Bank?
a. Kidneys
b. Liver
c. Spleen
d.
Heart
49. Fresh Yeast cells are a good source of ___________.
a. Vitamin-B
b. Nicotine
c. Morphine
d.
Vitamin-K
50. Fermentation takes
place in which component of a cell?
a. Cytoplasm
b. Nucleus
c. Mitochondria
d. Vacuole
51. Which is the most minor gland in the human body?
a. Pituitary Gland
b. Pineal Gland
c. Adrenal Gland
d. Parathyroid
52. Cells use _______ to make proteins.
a. DNA
b. RNA
c. Ribosomes
d. Cytoplasm
53. Acid that is present in gastric juice
is_________.
a. Hydrochloric Acid
b. Citric Acid
c. Sulphuric Acid
d. Acetic Acid
54. Which blood cells are called ‘Soldiers’
of the body?
a. WBC
b. Platelets
c. RBC
d. All of the them
55. The gall bladder releases _________
enzyme to digest the food.
a. Pepsin
b. HCl
c. Both of them
d.
None of them
56. The enzyme which is secreted by the salivary
gland is?
a. Pepsin
b. Ptyalin
c. Lactamase
d. Bile
57. Genetic information
is carried in the form of a long chain of molecules made up of _________.
a. Amino acids
b. RNA
c. Nucleotides
d.
Polypeptides
58. How many nucleosomes are found in the 30 nm chromatin fiber helical coil?
a. 12
b. 10
c. 09
d. 06
59. In the human body, fats are stored in
the__________.
a. Epidermis
b. Adipose tissue
c. Liver
d. Epithelium
60. Blood does not clot in the blood vessels
due to the presence of ___________.
a. Thrombin
b. Fibrinogen
c. Heparin
d.
Prothrombin
61. The sum of genes in a population is
called ________.
a. Genotype
b. Karyotype
c. Gene pool
d.
Lethal gene
62. Which of the following cells secrete
insulin?
a. Alpha cells
b. Delta cells
c. Nerve cells
d. Beta cells
63. Which part of the nervous system controls
the activities of internal organs?
a. Spinal cord
b. Cerebrum
c. Cerebellum
d. Medulla
Oblongata
64. Metabolism of photosynthesis and
respiration involves the knowledge of____________.
a. Genetic engineering
b. Biotechnology
c. Biochemistry
d.
Chemistry
Also Read the Following Suggested Topics for Further Reading
1. Laws of Inheritance in Biology Solved MCQs
2. Nutrition in Plants Solved MCQs
3. Bioenergetics in Plants Solved MCQs
4. Respiration in Plants and Animals Solved MCQs
5. Reproduction in Plants and Animals Solved MCQs
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