Higher Secondary level Zoology kernels for your kind perusal.
2. During recovery period, the cell membrane is _____. a] Polarised b) Repolarised c] depolarized d] immunized
3. Sodium - Pottasium exchange pump discharge _______ , _______ ions to outside and inside of the nerve cells. a] Na+, K+ ions b] Ca+ ions c] OH+ ions d) K+ , Cl+ ions
4. The synaptic cleft measures about ____ a] 0.5-1.0 mm b) 10-20 mm c] 5-10 nm d] 10-20 nm
5. The transmitter substance at the synapse is ___ a] Adrenaline b] Dendrite c] Neuron d) Acetylcholine
6. Olfatory reflexes and responses to odour are related to ____ a) Mammillary bodies b] Pituitary c] Thyroid d] optical
7. _____ responds to the sleep - wake cycle. a) Hypothalamus b] Brain stem c] cerebellum d] eyes
8. The average weight of Human adult male cerebrum is ____ a] 800-1000g b] 1000 g c] 2000 g d) 1400 g
9. The Cerebro spinal fluid secretes at the rate of _____ a] 150 ml /day b] 100-200 ml /day c] 200 ml /day d) 550 ml/day
10. In human brain, Sleep and respiratory centers are present in _______. a] Cerebellum b] Medulla c] Infundibulum d) Pons
11. The device used to record the electrical activity of brain is ____ a] ECG b) EEG c] MRI d] X ray
12. The inability to recall memories of past is called _____ a) Amnesia b] Coma c] Aneursym d] Cholesterol
13. The resting potential can be directly measured by the use of ____ a] pH mete b) Oscilloscope c] stethoscope d] MRI scan
14. Chronic Brain syndrome is otherwise called ____ a] Meningitis b) Alzhemiers’s disease c] Stroke d] down syndrome
15. The blood clot formed in the streaming blood is called -- a] Sclerosis b] Callus c] Synapse d) Thrombosis
16. ________ is having the respiratory centre that control breathing. a) Medulla oblongata b] cerebrum c] Pons d] Spinal cord
17. Left and Right cerebral hemispheres exchange information through – a) Carpous callosum b] hypothalamus c] Pons d] Colliculi
18. The region of brain which secretes cerebrospinal fluid is -- a] Vermis b] Flocculus c) Choroid plexus d] Medulla oblongata
19. The junctions of neurons in nerve pathway are called as _____. a] White matter b] Grey matter c] action potentia d] synapses.
20. In the nervous system the bundles of parallel axons of the nervous tissue having myelin sheath constitute the _______ . a] White matter b] Grey matter c] pia matter d] synapses.
Score = Correct answers:
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