Control and Coordination

Topic wise MCQ test for MHT-CET and NEET

9. Control and Coordination

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(1) The nervous system of mammals uses both electrical and chemical means to send signals via

neurons. Which part of the neuron receives impulse?

(a) Axon

(b) Dendron                  

(c) Nodes of Ranvier                 

(d) Neurilemma

Answer: - (b) Dendron 

(2) .......... is a neurotransmitter.

(a) ADH

(b) Acetyl CoA

(c) Acetyl choline

(d) Inositol

Answer: -   (c) Acetyl choline

(3) The supporting cells that produce myelin sheath in PNS are……….

(a) Oligodendrocytes

(b)Satellite cells

(c) Astrocytes

(d) Schwann cells

Answer: - (d) Schwann cells

 

(4) A collection of neuron cell bodies located outside the CNS is called ..........

(a) tract              

(b) nucleus                     

(c) nerve

(d) ganglion

Answer: -  (d) ganglion

(5) Receptors for protein hormones are located ..........

(a) in cytoplasm 

(b) on cell surface

(c) in nucleus

(d) on Golgi complex

Answer: - (b) on cell surface

 

(6) If parathyroid gland of man are removed,the specific result will be .......... .

(a) onset of aging

(b) disturbance of Ca++

(c) onset of myxoedema

(d) elevation of blood pressure

Answer: - (b) disturbance of Ca++      

 

 

(7) Hormone thyroxine, adrenaline and nonadrenaline are formed from .......... .

(a) Glycine

(b) Arginine       

(c) Ornithine                  

(d) Tyrosine

Answer: - (d) Tyrosine

(8) Pheromones are chemical messengers produced by animals and released outside the body. The odor of these substance affects ..........

(a) skin colour

(b) excretion      

(c) digestion      

(d) behaviour

Answer: - (d) behaviour

(9) Which one of the following is a set of discrete endocrine gland?

(a) Salivary glands, thyroid, adrenal, ovary              

(b) A drenal, testis, ovary, liver

(c) Pituitary, thyroid, adrenal, thymus                       

(d) Pituitary, pancreas, adrenal, thymus

Answer: - (d) Pituitary, pancreas, adrenal, thymus

(10) After ovulation, Graafian follicle changes into ..........

(a) Corpus luteum

(b) corpus albicans     

(c)corpus spongiosum

(d) Corpus callosum

Answer: - (a) Corpus luteum

(11) Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?

(a) Parathyroid hormone – Diabetes insipidus

(b) Luteinizing hormone – Diabetes mellitus

(c) Insulin – Hyperglycemia                                      

(d) Thyroxine – Tetany

Answer: - (c) Insulin – Hyperglycemia

(12) .......... is in direct contact of brain in humans.

(a) Cranium

(b) Dura mater

(c) Arachnoid

(d) Pia mater

Answer: -  (d) Pia mater

 

(13) The supporting cells that produce myelin sheath in the CNS are ..........

(a) Oligodendrocytes             

(b) Satellite cells

(c) Astrocytes

(d) Schwann cells

Answer: -  (a) Oligodendrocytes

 

(14) Human brain develops to its full size at an age of ……………. Years.

(a)1

(b) 6   

(c) 12              

(d) 18

Answer: - (b) 6

(15) Telencephalon is the other name of ..........

(a) pons varolii

(b) medulla oblongata

(c) cerebrum

(d) cerebellum

Answer: - (c) cerebrum  

 

(16) Olfactory tracts merge in olfactory area of .......... lobe.

(a) Frontal

(b) Parietal

(c) Occipital

(d) Temporal

Answer: -  (d) Temporal

(17) .......... is the largest commissure of the human brain.

(a) Corpora striata

(b) Corpora quadrigemina                  

(c) Habencular commissure

(d) Corpus callosum

Answer: - (d) Corpus callosum

(18) Grey matter of the brain shows large collection of .......... .

(a) dendrons

(b) cytons

(c) axons

(d) synapsis

Answer: - (b) cytons

(19) Masses of grey matter in white matter of the cerebrum are called .......... .

(a) corpora striata

(b) corpus callosum

(c) paracoel

(d) basal ganglia.

Answer: - (d) basal ganglia.

(20) Parietal and temporal lobes of cerebrum are separated by .......... sulcus.

(a) lateral

(b) parieto occipital

(c) central

(d) median longitudinal

Answer: -  (a) lateral

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