Biology MCQ Quiz Hub

1. Spinal nerves are
32 pairs
31 pairs
33 pairs
34 pairs

2. 3rd and 9th cranial nerve is
Optic and trigeminal
Trochlear and vagus
Oculomotor and glossopharyngeal
None of the above

3. Sacral nerves are the types of:
Spinal nerves
Cranial nerves
Both A&B
None of the above

4. Situation of cervical plexus...
Each side of the neck alongside the first four cervical vertebrae
Left side of the neck alongside the first three cervical vertebrae
Right side of neck alongside the first four cervical vertebrae
Left side of neck alongside the first five vertebrae

5. Trigeminal is a
2nd spinal nerve
4th spinal nerve
4th cranial nerve
5th cranial nerve

6. Limbic system controls
Food habits
Emotional behaviour
Retention of recent memory
All of the above

7. Structural classification of neurons
Multipolar, bipolar, unipolar
Sensory and motor neurons
Inter neurons
Bipolar and unipolar neurons

8. Afferent neuron are-
Sensory neuron
Motor neuron
Inter neuron
Bipolar neuron

9. P.N.S is madeup of:
Cranial and spinal nerves
Spinal cord
Brain
All of the above

10. Medulla develop from the
Myelencephalon
Diencephalon
Mesencephalon
None of the above

11. Duramater is a covering of
Heart
Brain
Lungs
None of the above

12. The piamater is
Outer layer
Middle layer
Inner layer
None of the above

13. The brain is madeup of about
10 billion neurons
100 millions neurons
100 billions neurons
10 million neurons

14. Formation of CSF-
100ml/hour
200ml/hour
300ml/hour
400ml/hour

15. Liver is the.
Largest gland
Vital organ
Organ where maximum heat is produced
All of the above

16. Function of gall bladder
Storage of bile
Alteration of pH of bile
Secretion of bile
A and B are correct

17. Function of bile..
Absorptive function
Antiseptic function
Digestion function
All of the above

18. DOPAMINE..
Decrease in heart rate via beta receptor
Is secreted by adrenal medulla
Decreased in systolic blood pressure
All of the above

19. Action of adrenaline
Increased systolic blood pressure
Decrease the secreation of sweat
Decreased in red blood cell count in blood
Decreased activity of brain

20. The changes which occur in vagina during pregnancy are:
The pH in vagina become more than 3.5
Deposition of glycogen decreased in the epithelial cells
Violet colouration occur due to increased blood supply
All of the above

21. How many types of cells are present in the blood
Three types
Two types
Four types
One types

22. The specific gravity of blood :
1.052 to 1.061
1.092 to 1.101
1.022 to 1.026
None of the above

23. Function of blood
Storage function
Excretory function
Regulation of water balance
All of the above

24. The correct statement is
The red blood cells increases slightly after sleep
There is a slightly decreased in the red blood cell count after meals.
The increased in the atmospheric temperature increases red blood cell count
All of the above

25. The abnormal increase in red blood cell is called
Anaemia
Polycythemia
Leucopenia
Leukopoiesis

26. Vitamin B12 is called
Cynocobalamin
Antipernicious factor
Extrinsic factor
A and B are correct

27. Factor necessary for haemoglobin
Copper, vitaminC
Cobalt and nickel
VitaminC
All of the above

28. 7th and 1st cranial nerves are..
Facial and olfactory
Optic and olfactory
Auditory and olfactory
Aaccessory and olfactory

29. Cerebellum is develop from the..
Myelencephalon
Metencepahlon
Telenchepalon
Mesencephalon

30. Hypocapnea is
Decrease carbon di oxide content in blood
Increase carbon dioxide content in blood
Decrease oxygen content in blood
Increase oxygen content in blood

31. Weight of cerebellum is:
120gm
200gm
150gm
220gm

32. Thoracic nerves are:
1 pairs
12 pairs
5 pairs
8 pairs

33. The diameter of ribosomes are
17 nm
15nm
12nm
18nm

34. Functions of cell membrane
The cell membrane permits only some selective substances to pass through it
Excretory function
Oxygen enters the cell from the cell through cell membrane
All of the above

35. Composition of cell membrane
Protein(55%),lipids(20%),carbohydrates(25%)
Protein (55%) , lipids (40), carbohydrates (5%)
Protein(40%), lipids(55%),carbohydrates (5)%
Protien(40%), lipids (43%), carbohydrates (17%)

36. Motor nerves are
3rd-4th-6th
1st-2nd-3rd
1st-2nd-8th
5th-9th-10th

37. Functions of olfactory
Vision
Turn eye ball
Smell
Muscle sense

38. Applied aspect of olfactory
Anosmia-loss of sense of smell
Anopsia-loss of the vision
Diplopia- double vision
Loss of sensation of touch

39. Function of vagus nerve
Hearing
Movement of tongue during speech
Muscle sense
Smooth muscle contraction and relaxation

40. Types of acquired immunity
Cellular and humoral immunity
Innate and cellular immunity
Humoral and innate immunity
None of the above

41. Which is not a type of antibodies
IgA
IgD
IgF
IgM

42. The ninth clotting factor
Hegman factor
Christmas factor
Stuart factor
Stable factor

43. The 7th clotting factor is
Stable factor
Hegman factor
Christmas factor
Stuart factor

44. The function of abducent is
Vision
Smell
Eyeball movement
Secretion of saliva

45. Pleura is
Largest serous membrane of the body,lining in the abdominal cavity
Serous membrane which is lined by mesothelium
Situated in closed sac which is invaginated by a number of viscera
Both B and C are correct.

46. Urinary system includes a pair of
Kidney, ureters, urinary bladder, urethra
Kidney, ureters, urinary bladder , spleen and urethra
Urinary bladder, spleen, urethra
All of the above

47. Specific gravity of bile
1050 to 1080
1010 to 1011
1100 to 1110
1010 to 1080

48. Normal pH of bile
08-8.6
10-Sep
1-0.5
4-Feb

49. Urinometer is used for the analysis of _____ in urine.
Albumin
Specific gravity
Urea
Volume

50. The weight of kidney in males
125gm
170 gm
150gm
135gm

51. Lateral border of kidney is
Flat
Convex
Concave
None of the above

52. Blood supply of kidney
Renal arteries
Coronary artery
Carotid artery
Facial artery

53. Situation of urinary bladder in males
Is is anterior to the vagina and inferior to the uterus
It is directly anterior to the rectum
Epigastrium
None.

54. Aplasia is --
The kidney may be under development
The kidney may be over development
Incomplete development of a kidney tissue
The two kidney may form one mass lying in the midline.

55. Which is not a accessory digestive organ
Teeth
Liver
Pancreas
Spleen

56. Which one of the following types organisms occupy more than one trophic level in a ecosystem
Frog
Fish
Zooplankton
None.

57. Renewable exhaustible natural resource of energy is
Biomass/forest
Coal
Petroleum
Kerosene

58. Segregation of mendelian factors (Aa) occurs during
Zygotene
Diplotene
Anaphase I
Anaphase II

59. Chromosomes are visible with chromatid in phase
Prophase
Metaphase
Interphase
Anaphase

60. Crossing over requires an enzyme
Ligase
Polymerase
Endonuclease
None of the above

61. Cytokinesis is
Division of nucleus
Divisions of chromosomes
Division of cytoplasm
None of the above

62. Omnis cellula e cellula is generalisation given by
Lamarck
Dutrochet
Virchow
Leeuwenhoek

63. All plastids have similar structure because they can
Store starch lipids and proteins
Perform same function
Be present together
Get transformed from one type to another

64. Water protects organism from thermal shock due to its high
Thermal conductivity
Dielectric constant
Latent heat
All of the above

65. Which organelle is present only in plants
Lysosome
Peroxisome
Glyoxysome
Ribosome

66. Folding of inner mitochondrial membrane are called
Thylakoids
Grana
Cristae
None of the abov

67. On hydrolysis, nucleoside does not yield
Phosphoric acid
Pentose sugar
Pyramidine
Purines

68. Read the following statements: (i) The polysaccharides made up of glucose monomers are cellulose, glycogen and starch. (ii) Fructose is the sweetest natural sugar. (iii) Glycine is the simplest ami
Five
Four
Three
Two

69. The hormone adrenaline is formed from __________ amino acids
Glycine
Alanine
Tryptophan
Tryosine

70. Choose the correct statement
All proteins have 20 amino acids
Both ends of protein are similiar
Proteins are formed by peptide bonds
All proteins are soluble

71. Which of the following element is present in very less quantity in the body
Ca
Mg
K
Cu

72. Maximum amount 70 -75% of carbon dioxide transport occurs as
Bicarbonate
Dissolved in plasma
Carbaminohaemoglobin complex
None of the above

73. In which of the following in which the iron in the heme group is in the Fe 3+ (ferric) state?
Oxyhaemoglobin
Methaemoglobin
Carbaminohaemoglobin
Haemoglobin without oxygen

74. Total oxygen that can be carried by blood in
1000-1200ml
2000-3000ml
130-200ml
75-100ml

75. Book lungs are respiratory structures of
Mollusca
Mammals
Earthworms
None of the above

76. Arytenoid cartilage occurs in
Larynx
Nose
Hyoid
Sternum

77. Where is protein digestion accomplished
Stomach
Rectum
Duodenum
Ileum

78. Release of pancreatic juice on detection of fat and protein is stimulated by
Enterokinase
Cholecystokinin
Secretin
Trypsinogen

79. Purkinje fibres are connected with impulse conducting system of
Heart
Brain
Skin
Kidney nephrons

80. Which one are granulocytes.
Neutrophils, eosinophils, basophils
Basophils, monocytes, lymphocytes
Eosinophils, basophils, monocytes
Neutrophis, basophilis, lymphocytes

81. Thoracic duct is associated with
Innominate vein
Aorta
Hepatic duct
Purkinje fibres

82. Species of Saccharum originally grown in India was
S. boulardii
S.munja
S. officinarum
S.barberi

83. Phase of menstrual cycle when ovulation occurs in
Secretory
Menstrual
Proliferative
Luteal

84. Prostate gland produces a secretion for
On kidney
Testis
Around urethra
On Ureter

85. Extra structure which provides nutrition to embryo is
Umbilicus
Chorion
Amnion
Placenta

86. Function of protein bindin in acrosomal process is to
Ensure fertilisation of egg by a sperm of same species
Severe the sperm tail
Prevent polyspermy
Digest vitelline layer

87. Extra-embryonic membranes of mammalian embryo are derived from
Trophoblast
Inner cell mass
Formative cell
Follicle cells

88. 32 - celled stage of human embryo is
Four times the size of fertilised egg
Two times the size of fertilised egg
Same size as fertilised egg
Smaller than fertilised egg

89. Sertoli cells occur in
Ovaries and secrete progesterone
Seminiferous tubules and provide nutrition to germ cells
Pancreas and secrete cholecystokinin
Adrenal cortex and secrete adrenaline

90. Polar body is produced during the formation of
Sperm
Secondary oocyte
Oogonium
Spermatocytes

91. Release of second polar body from human egg occurs
After fertilization
After entry of sperm
Before sperm entry
No relation with sperm entry

92. Which one is produced by mesoderm?
Heart and notochord
Heart and brain
Brain
Spinal cord

93. Tunica albuginea is related to
Liver
Spleen
Lungs
None of the above

94. UV radiations from sunlight produces
Sulphur di oxide
Ozone
CO
None of the above

95. Natural sink of stratospheric ozone is
HCFC
Sulphur dioxide
Freons
Sulphuric fluxes of oceans

96. Water pollution is due to
Sulphur dioxide
Carbon dioxide
Oxygen
Industrial discharges

97. Which is most ionising
X-rays
Y-rays
Alfa rays
None of the above

98. Sound becomes hazardous noise pollution level
Above 30dB
Above 40 dB
Above 100dB
Above 80dB

99. Water blooms are formed by
Lemna
Hydrilla
Water hyacinth
Planktonic algae

100. Which of the following statements is false about age pyramids?
The shape of the pyramids reflects the growth status of the population.
If in an age pyramid, post reproductive individuals are minimum, it will be
For human population, the age pyramids generally show age distribution of m
In declining population, the number of pre-reproductive individuals is hig