Biology Mcqs
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
1. Which protein occurs abundantly in eggs
(a) Keratin
(b) Albumin
(c) Collagen
(d) Haemoglobin
2. Animal meat is a good source of
(a) Protein
(b) Vitamin
(c) CHO
(d) Chlorophyll
3. Biological death of a patient means death tissues of the
(a) Kidney
(b) Heart
(c) Lungs
(d) Brain
4. Which of the following is essential for the formation of red blood cells
(a) Vitamin
(b) Folic acid
(c) Calcium
(d) Vitamin A
5. What is the largest joint in. the human body
(a) Elbow
(b) Ankle
(c) Neck
(d) Knee
6. What should be given to an athlete for instant energy
(a) Carbohydrates
(b) Fat
(c) Protein
(d) Vitamin
7. Which part of cell is called power house of energy
(a) Golgi bodies
(b) Mitochondria
(c) Ribosomes
(d) DNA
8. What is the temperature of a normal man
(a) 81.1°C
(b) 37°C
(c) 21.7°C
(d) 90°C
9. The Human cell contains how many chromosomes
(a) 44
(b) 48
(c) 46
(d) 23
10. What is the average adult pulse rate
(a) 140-150
(b) 115-125
(c) 72-80
(d) 60
11. The average heart beat per minute in a normal man is
(a) 50
(b) 72
(c) 80
(d) 100
12. Which lenses are used by people have short sightedness
(a) Concave
(b) Convex
(c) Glasses
(d) None of these
13. A balance diet contains
(a) Animal protein
(b) Macro and micro nutrients
(c) Food nutrients for growth and maintenance
(d) Butter and ghee
14. Plants synthesize protein from
(a) Starch
(b) Sugar
(c) Amino acid
(d) Fatty acid
15. In which of the following do red blood cells originate (or formed)
(a) Bone marrow
(b) Brain
(c) Ligaments
(d) Muscles
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
16. Redness in blood is because of the presence of
(a) Iron in heme pigment
(b) Aluminum in heme pigment
(c) Copper in heme pigment
(d) All of these
17. What is Celluloses
(a) Fats
(b) Carbohydrates
(c) Vitamins
(d) Protein
18. Age of a tree can be determined by
(a) Counting the number of rings in the stem
(b) Counting the number of leaves
(c) Counting the number of branches
(d) Measuring the size of the tree
19. What is the smallest unit of life
(a) Cell
(b) Atom
(c) Virus
(d) a & b
20. What is the largest organ of the human body
(a) Liver
(b) Intestines
(c) Stomach
(d) Skin
21. Red blood cells (RBC) are also known as
(a) Erythrocytes
(b) Thrombocytes
(c) Leucocytes
(d) None of these
22. Interferon is
(a) Tonic
(b) Virus
(c) Carbohydrate
(d) Ore of iron
23. The longest bone in the body of human being is
(a) Tibia
(b) Femur
(c) Fibula
(d) Stapes
24. What is the most important stimulant in tea leaves
(a) Brucine
(b) Caffeine
(c) Phenylalanine
(d) Theine
25. What rays of sunlight are mostly utilized by chlorophyll in photosynthesis
(a) Red
(b) Yellow
(c) Green
(d) Blue
26. Which of the following animals does not have nervous system
(a) Leech
(b) Amoeba
(c) Snail
(d) Tapeworm
27. A person having AB- group of blood to donate a person having
(a) A- group
(b) B- group
(c) AB- group
(d) 0- group
28. The pH of human blood is between
(a) 6.5
(b) 7.4
(c) 8.9
(d) 4.5
29. Panda is found in
(a) Nepal
(b) Bhutan
(c) India
(d) China
30. Activity of brain is recorded by
(a) ECG
(b) EEG
(c) MET
(d) CT
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
31. Which of the following glands in human body is popularly called ‘Adam’s apple’
(a) Adrenal
(b) Pituitary
(c) Thyroid
(d) Thymus
32. A person having which of the following blood group can receive blood of any group
(a) A
(b) AB
(c) B
(d) O
33. Name the grand which secretes many hormones and controls the function of other endocrine glands
(a) Pituitary gland
(b) Thyroid Gland
(c) Pancreas
(d) None of these
34. How many main blood groups do we have
(a) 3
(b) 4
(c) 5
(d) 6
35. Which is the smallest gland in human body
(a) Liver
(b) Thyroid
(c) Pituitary
(d) Salivary Glands
36. What is the normal systolic blood pressure in an average human being
(a) 120-140 mmHg
(b) 75-90 mmHg
(c) 80-150 mmHg
(d) None of these
37. Amino acids are the building blocks of
(a) Vitamins
(b) Starch
(c) Proteins
(d) Lipids
38. The gastric glands in the stomach produce which enzyme
(a) Ptyalin
(b) Pepsin
(c) Tropism
(d) insulin
39. Which one of the following is the sweetest natural sugar
(a) Glucose
(b) Fructose
(c) Lactose
(d) Sucrose
40. What is the average Female’s brain weighs
(a) 46 ounce
(b) 48 ounce
(d) 49 ounce
41. One of the chemical messengers produced by endocrine glands are called
(a) Hormones
(b) Enzymes
(c) Lipids
(d) Vitamins
42. How many bones are there in the adult human body
(a) 206
(b) 306
(c) 250
(d) 260
43. Antibodies are
(a) Carbohydrates
(b) Enzymes
(c) Proteins
(d) Hormones
44. What is the pH of water
(a) 6.5
(b) 7.4
(c) 8.9
(d) 7.0
45. What is Penicillin
(a) Vitamin
(b) Hormone
(c) Antibiotic
(d) Analgesic
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
46. Respiration of plants is through
(a) Arriers
(b) Gills
(c) Trachea
(d) Stomata
47. Which of the following pairs has open type of circulatory system
(a) Cockroach and Silverfish
(b) Man and Whale
(c) Earthworm and Leech
(d) Tadpole larva and Fish
48. The outermost layer of skin is known as
(a) Epidermis
(b) Epiglottis
(c) Ligament
(d) Cartilage
49. Nuclear membrane is absent in
(a) Prokaryotes
(b) Eukaryotes
(c) Protozoan
(d) All of them
50. The cell that lacks a nucleus is
(a) Flame cell
(b) Spermatozoan
(c) Red blood cell of man
(d) White blood cell
51. How many ribs does a human have
(a) 22
(b) 24
(c) 26
(d) 28
52. Which of the following is known as “graveyard’ of Red Blood Cells
(a) Spleen
(b) Liver
(c) Bone marrow
(d) Appendix
53. Bacterial infections in humans can be treated with which medicine
(a) Antibiotics
(b) Mycology
(c) Photosynthesis
(d) Extinction
54. The shortest bone in the human body is the
(a) Vertebrae
(b) Stapes
(c) Phalange
(d) Metacarpal
55. Which of the following prays an important part in photosynthesis
(a) Chloroplast
(b) Centrosome
(c) Tonoplast
(d) Nematoblast
56. Which is the longest cell
(a) Red Blood cell
(b) Monocyte
(c) Lymphocyte
(d) Nerve cell
57. Which of the following plant eat insects
(a) Urn plant
(b) Pitcher plant
(c) Cacti
(d) Ribbon plant
58. Human blood contains____ percentage of plasma
(a) 35%
(b) 40%
(c) 50%
(d) 65%
59. The endocrine system chemically controls the various functions of cells, tissues, and organs through the secretion of
(a) Enzymes
(b) Lipids
(c) Hormones
(d) Vitamins
60. The union of a sperm and an egg is called
(a) Reduction
(b) Meiosis
(c) Fertilization
(d) Germination
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
61. Insulin is a peptide hormones produced by
(a) Pituitary gland
(b) Thyroid Gland
(c) Pancreas
(d) None of these
62. Which part of the body has greatest regeneration power
(a) Liver
(b) Kidney
(c) Pancreas
(d) Brain
63. Which endocrine gland produces melatonin
(a) Pineal gland
(b) Thymus
(c) Pituitary gland
(d) Adrenal cortex
64. How many bones are there in a newly born infant
(a) 206
(b) 230
(c) 280
(d) 300
65. What is the enzyme that is in stomach acid called
(a) Amylase
(b) Pepsin
(c) Maltase
(d) None of these
66. Bile is produced by
(a) Liver
(b) Pancreas
(c) Salivary gland
(d) Stomach
67. Which human gland does secret growth hormone
(a) Pancreas
(b) Thalamus
(c) Pituitary Gland
(d) Liver
68. What is the average Female’s brain weighs
(a) 410 grams
(b) 370 grams
(c) 310 grams
(d) 210 grams
69. Which gland is called Master Gland
(a) Pituitary gland
(b) Testes
(c) Ovaries
(d) Adrenals
70. What is the average Male’s brain weighs
(a) 46 ounce
(b) 48 ounce
(c) 47 ounce
(d) 49 ounce
71. Pituitary gland is located just below the
(a) Brain
(b) Heart
(c) Liver
(d) Kidney
72. Enzymes are mostly made up of proteins. Enzyme is
(a) Vitamin
(b) Bacterium
(c) Bio-catalyst
(d) Virus
73. Oxygen in our blood is transported by a protein named
(a) Haemoglobin
(b) Keratin
(c) Collagen
(d) Myoglobin
74. Which group are the ‘universal receivers’
(a) B+
(b) AB-
(c) AB+
(d) A-
75. Proteins are made of
(a) Sugar
(b) Fatty acid
(c) Nucleic acid
(d) Amino acid
Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
76. What is the normal lifespan of Red Blood Cells
(a) 120 Days
(b) 90 Days
(c) 60 Days
(d) 150 Days
77. Which of the following is least effective in photosynthesis
(a) Sunlight
(b) Red light
(c) Blue light
(d) Green light
78. Respiration of fish is through
(a) Arriers
(b) Gills
(c) Trachea
(d) Stomata
79. Plants receive their nutrients mainly from
(a) Chlorophyll
(b) atmosphere
(c) Light
(d) Soil
80. The skeleton makes up what percentage of the body’s weight
(a) 35%
(b) 15%
(c) 5%
(d) 25%
81. The normal temperature of the human body is
(a) 90°F
(b) 98°F
(c) 98.6°F
(d) 96.4°F
82. Loss of memory is caused by the destruction of
(a) Medulla
(b) Cerebrum
(c) Cerebellum
(d) Pons
83. The artificial kidney operates on the principle of
(a) Diffusion
(b) Osmosis
(c) Dialysis
(d) Transport
84. Lowest rate of photosynthesis takes place in
(a) Orange light
(b) Red light
(c) Green light
(d) Blue light
85. The largest part of most diets are made up of
(a) Nucleic acid
(b) Proteins
(c) Carbohydrates
(d) Lipids
86. A man with color blindness will see red as
(a) Green
(b) Yellow
(c) Blue
(d) Violet
87. Which blood group is known as the ‘universal donor’
(a) A-
(b) 0+
(c) 0-
(d) A+
88. Which of the following is not a mammal
(a) Fish
(b) Cow
(c) Goat
(d) Whale