Class 10th Biology Chapter 3/12


Total Marks: 50

1. The portion of the nervous system that is involuntary in action:
Somatic nervous system Motor nervous system Autonomic nervous system Sensory nervous system
2. Which neurons are present inside the central nervous system?
Sensory neurons only Motor neurons only Sensory and motor neurons Interneurons only
3. The part of the brain responsible for muscle movement, interpretation of the senses and the memory is the:
Pons Medulla oblongata Cerebrum non
4. Apart from hearing, what other major body function is performed by the ear?
Hormone secretion Body balance Reduction in nerve pressure All of them
5. The myelin sheath is formed by ______ some neurons:
Nodes of Ranvier Schawnn cells Dendrites Axons
6. This is NOT a part of the hindbrain:
Pons Medulla oblongata Cerebrum Cerebellum
7. If you look at an intact human brain, what you see the most is a large, highly convoluted outer surface. This is the:
Pons Cerebrum Cerebellum Medulla oblongata
8. Insulin and glucagon are produced in the :
Insulin Glucagon Anterior pituitary Pancreas
9. All of these are hormones except:
Hypothalamus Thyroxin Liver Pepsinogen
10. Which type of coordination is present in plants?
Chemical coordination Mechanical coordination Nervous coordination Electrical coordination
11. Number of components of coordination process is ?
4 5 2 1
12. The nature of myelin sheath is:
Conductor Elastic Insulator Rigid
13. What are the components of coordination?
2 3 4 5
14. What are the types of coordination in living organisms ?
1 2 3 4
15. Effectors include
Only muscles Gland only Muscles and glands Brain
16. Which one does not act as effectors?
Liver Nephrons Brain Bone
17. Identify the coordinator?
Spinal card Eye Heart Legs
18. The nature of myelin sheath is:
Conductor Elastic Insulator Rigid
19. How many types of nerves are classified on the basis of property of axone ?
2 3 4 5
20. Pairs of spinal nerves are ?
21 31 41 43
21. Does the lobe belong to the senses of hearing and smelling?
Frontal parietal Ocipital Temporal
22. How many lobes of forebrain are ?
2 3 4 5
23. % age of O2 in expired air during breathing at rest is ------- percent ?
16 30 70 21
24. Male gonads are called?
sperms eggs ovaries testes
25. All of these hormones except?
Insulin Glucagon Glycongen Estrogen
26. which one of the following is not harmon of pituitar gland
Somatotropin hormone Oxy Topson Visoperpsin Aderenaline
27. .......gland is pea shaped
Pancreas Pituitar Adrenal Oxytocin
28. Which hormone is released in an emergency?
Glucagon Insulin Adrenaline Calcitionin
29. Decrease the concentration of glucose in blood
Glucagon Insulin Testosterone Calcitonin
30. Insulin and glucagon are formed?
liver Cerebrum pancreas Thyroid gland
31. Which one is co ordinator in nervous co ordination?
Spinal cord Brain & Spinal cord Brain heart
32. Pons in present on the top of
Medulla spinal cord cerebrum thalamus
33. Which one of the following control the breathing?
Pons Brain Heart Medulla
34. Part of brain associated with pain and consciousness is called
Cerebrum Thalamus fore brain heart
35. The part of skull bone in which eyes are found is called.
Orbitals Eye lids Orbits sockets
36. Rodopsin is present in a part of eye
Rods Sclera Ligamint Foven
37. How many members of chambers are found in eyes due to iris?
2 3 4 5
38. In human eye, there are about ______ rods.
100 Lac 125 Lac 130 Lac 135 Lac
39. Rods and Cones are present on.
Sclera Cornea Blind sopt Retina
40. Internal Sensory layer of eys is.
Sclera Choroid Retina Iris
41. Sensitive to dim light.
Rods Fovea Cones Blind spot
42. Colour identification and sharpness is due to.
Cones Optic disk Fovea Optic nerve
43. Number of cones in human eye is.
Four lac Five lac Six lac Seven lac
44. Hole in the center of Iris called.
Choroid Comea Sclera Retina
45. Hypermatropia is also called.
Long sight Short sight Myopia Night blindness
46. Which is not the part of external ear?
Ossicles Pinna Auditory canal Air drum
47. In auditory canals wall special glands.
Wax Blood Auditory fluid Nerve Impulse
48. Which part of middle ear separates it from inner ear?
Stapes Ear Drum Tampanum Oval Window
49. It is the part of inner ear.
Cochlea Ear Drum Ossicle Pinna
50. The tympanum belongs to which part of ear?
External ear Middle ear Internal ear Ossicle