1. The structural and functional unit of nervous system is .....
A) Brain B) Neuron C) Synapse D) Reflex arc
Ans: B
2. The neurons which carry messages towards the central nervous system ....
A) Afferent neurons B) Efferent neurons
C) Association neurons D) Detector neurons
Ans: A
3. The phytohormones responsible for seed dormancy.
A) Ethylene B) Abscisic acid
C) Cytokinins D) Auxins
Ans: B
4. The plant shoot growing towards light is called .........
A) Geotropism B) Thigmotropism
C) Phototropism D) Chemotropism
Ans: C
5. As per F.W.Went, the Auxins are produced in ...... part of the plant.
A) Root B) Leaves C) Cotyledons D) Coleoptiles
Ans: D
6. The small projections extending from the cell body of the nerve cell (in large number) are ............
A) Dendrites B) Axons C) Axon terminals D) Nodes of Ranvier
Ans: A
7. ........... is the functional region of contact between two neurons
A) Reflex arc B) Cyton
C) Conjugation of nerves D) Synapse
Ans: D
8. The general nerve transmission speed is ..............
A) 1 m/s B) 10 m/s C) 100 m/s D) 0.1 m/s
Ans: C
9. The protective layers which covers the Brain are ..........
A) Pericardium B) Pleura C) Myelin sheath D) Meninges
Ans: D
10. Optic lobes are related to vision are present in
A) Fore brain B) Mid brain
C) Hind brain D) Medulla oblongata
Ans: B
11. Identify the right pair
A) Grey matter -Axons B) White matter - Cyton
C) Brain - Cranium
D) Central nervous system - only Brain
Ans: C
12. The elevations on the surface of the cerebrum called as ...........
A) Gyri B) Sulci
C) Gyri and Sulci D) Hemispheres
Ans: A
13. ............... are present in peripheral nerve system.
A) Spinal nerves B) Cranial nerves
C) A and B D) Brain and Spinal cord
Ans: C
14. Which part of brain maintains posture & equilibrium?
A) Diencephalon B) Medulla oblongata
C) Cerebellum D) Cerebrum
Ans: C
15. Dilates pupil, Accelerates heart beat, Increase blood pressures are the characters of .......
A) Central nervous system
B) Peripheral nervous system
C) Sympathetic nervous system
D) Parasympathetic nerve system
Ans: C
16. The hormone related to Cock fight and Sheep fight .........
A) Somatotrophin B) Thyroxine C) Estrogen D) Adrenalin
Ans: D
17. Which phytohormones promote cell division?
A) Auxins B) Cytokinins C) Gibberellins D) Ethylene
Ans: D
18. Which scientist work is not related to Nervous System?
A) Galen B) Leonardo da Vinci
C) Stephen Hales D) Paul Langerhans
Ans: B
19. The hormone secreting glands belongs to .......
A) Exocrine system B) Endocrine system
C) Nervous system D) Circulatory system
Ans: B
20. Which part is center for cardiac, respiratory activities in brain?
A) Mid brain B) Diencephalon
C) Cerebellum D) Medulla oblangata
Ans: D
