Free Neural Control And Coordination (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

The nerve centres which control the body temperature and the urge for eating are contained in:

(a) hypothalamus

(b) cerebellum

(c) pons

(d) thalamus

Question-2

Arrange the following steps of mechanism of vision in order.

1. Light induces dissociation of the retinal from opsin.
2. Change in the structure of opsin.
3. Change in membrane permeability.
4. Potential differences are generated in photoreceptor cells.
5. Generation of AP is ganglion cell through bipolar cells.
6. AP is transmitted via optic nerve to visual cortex.
7. At visual cortex, nerve impulses are analysed and the image formed on retina is recognized based on the earlier memory and experience.
8. Focusing of visible light on retina.

(a) 8,1,7,2,6,3,5,4

(b) 8,1,2,3,4,5,6,7

(c) 1,2,3,4,5,6,7,8

(d) 8,7,6,5,4,3,2,1

Question-3

The neurotransmitter which is not excitatory in function is–

(a) Dopamine

(b) Serotonin

(c) Gamma-amino butyric acid (GABA)

(d) Acetyl choline

Question-4

Our ear can hear the frequency of sound waves

(a) 20 to 20,000 cycles/sec

(b) 5000 to 7000 cycles/sec

(c) 1000 to 2000 cycles/sec

(d) 5000 to 10,000 cycles/sec

Question-5

Hypothalamus controls

(a) Respiration

(b) Body's thermostat

(c) Gastric secretions

(d) All of these

Question-6

Identify the correct sequence of organs/regions in the organization of human ear as an auditory mechanoreceptor organ.

(a) Pinna–Auditory canal–Tympanic membrane–Malleus–Incus–Stapes–Cochlea–Auditory nerve

(b) Pinna–Cochlea–Tympanic membrane–Auditory canal–Malleus–Stapes–Incus–Auditory nerve

(c) Pinna–Tympanic membrane–Auditory canal–Incus–Malleus–Stapes–Cochlea–Auditory nerve

(d) Pinna–Malleus–Incus–Stapes–Auditory canal–Tympanic membrane–Cochlea–Auditory nerve

Question-7

Chemicals which are released at the synaptic junction are called

(a) Neurotransmitters

(b) Hormones

(c) Cerebrospinal fluid

(d) Lymph

Question-8

Ivan Pavlov performed experiments on

(a) simple reflexes

(b) cardiac reflexes

(c) conditioned reflexes

(d) origin of life.

Question-9

Which of the following forms the cerebrospinal fluid?

(a) Duramater

(b) Choroid plexus

(c) Arachnoid mater

(d) Cerebrum and spinal cord

Question-10

Injury to vagus nerve in humans is not likely to affect

(a) tongue movements

(b) pancreatic secretion

(c) gastrointestinal movements

(d) cardiac movements.