Control and coordination class 10 chapter 7 Important MCQ’ Question and answers

Control and coordination class 10 chapter 7 Important MCQ’ Question and answers

Control coordination MCQ

Question:1 In humans, life processes are controlled and regulated by

1. Reproductive and endocrine systems
2. Respiratory and nervous systems
3. Endocrine and digestive systems
4. Nervous and endocrine systems

Question:2 Electrical impulse travels in a neuron from

1. Dendrite ->Axon ->Axonal end -> cell body
2. cell body ->Dendrite ->Axon ->Axonal end
3. Dendrite -> cell body -> Axon -> Axonal end
4. Axonal end -> Axon -> cell body -> Dendrite

Question:3 Posture and balance of the body is controlled by

1. Cerebrum
2. Cerebellum
3. Medulla
4. Pons

Question:4 In a synapse Chemical signal is transmitted from

1. Dendrite end of one neuron to axonal end of another neuron
2. Axon to cell body of the same neuron
3. cell body to axonal end of the same neuron
4. Axonal end of one neuron to dendrite end of another neuron

Question:5 Spinal cord originates from

1. Cerebrum
2. medulla
3. pons
4. Cerebellum

Question:6 The movement of shoot towards light is

1. Geotropism
2. Hydrotropism
3. Chemotropism
4. Phototropism

Question:7 The growth of pollen tubes towards ovules is due to

1. Hydrotropism
2. Chemotropism
3. Geotropism
4. Phototropism

Question:8 The main function of abscisic acid in plants is to

1. Increase the length of cells
2. Promote cell division
3. Inhibit growth
4. Promote growth of stem

Question:9 which is the correct sequence of the components of a reflex arc?

1. Receptors -> Muscles -> sensory neuron -> Motor neuron -> spinal cord
2. Receptors -> Motor neuron -> spinal cord -> sensory neuron -> muscle
3. Receptors -> spinal cord -> sensory neuron -> Motor neuron -> muscle
4. Receptors -> sensory neuron -> spinal cord -> Motor neuron -> muscle

Question:10 Involuntary actions in the body are controlled by

1. Medulla in fore brain
2. Medulla in mid brain
3. Medulla in hind brain
4. Medulla in spinal cord

Question:11 A human hormone reducing blood flow to the digestive system and skin during stress is

1. Thyroxin
2. Adrenaline
3. Growth hormone
4. Insulin

Question:12 Hormone associated with gonads

1. Testosterone
2. Estrogen
3. Auxin
4. Both A and B

Question:13 —— is responsible for maintaining biological clock of body

1. Pineal
2. Kidney
3. Thyroid
4. Adrenal

Question:14 Dwarfism results due to

1. Excess secretion of thyroxin
2. less secretion of growth hormone
3. less secretion of adrenaline
4. excess secretion of growth hormone

Question:15 A person consuming sea food is least likely to develop

1. Diabetese
2. Goiter
3. both A and B
4. Heart Diseases

Question:16 A patient of diabetes is not producing

1. Insulin
2. Thyroxin
3. Oestrogen
4. Adrenaline

Question:17 Growth hormone is produced by

1. Adrenal
2. pituitary
3. Pancreas
4. Thyroid

Question:18 which of the following gland is unpaired?

1. Adrenal
2. Testis
3. Pituitary
4. Ovary

Question:19 which is commonly known as” birth hormone ?

1. Prolactin
2. Oxytocin
3. ADH
4. FSH

Question:20 Junction between two neurons is called

1. cell junction
2. Neuron muscular junction
3. Neural joint
4. synapse

Question:21 Central Nervous system consists of ”

1. Brain and spinal cord
2. Brain and visceral nerves
3. Cranial spinal and visceral nerves
4. None of these

Question:22 In animals for receiving sound the sense organs are”

1. Photoreceptors
2. Olfactory receptors
3. Phonoreceptors
4. Tactoreceptors

Question:23 The response of plant to light is called

1. Phototropism
2. Chemotropism
3. Geotropism
4. None of these

Question:24 Plants Hormone are “

1. Physical substance
2. Chemical substance
3. Both of them
4. None of these

Question:25 out of the following , which is not a part of hind brain”

1. Medulla oblongata
2. Pons
3. Cerebellum
4. Cerebrum

Question:26 The function of control and coordination performed in plants by

1. Plant Hormones
2. Photosynthesis
3. Respiration
4. None of these

Question:27 The downward movement in response to gravitational force of the plant is called

1. Phototropism
2. Chemotropism
3. Geotropism
4. None of these

Question:28 Memory is related to

1. Cerebellum
2. Cerebrum
3. Pons
4. Olfactory lobes

Question:29 Name the bony cover box in the skull which protects the brain “

1. Meninges
2. Cranium
3. Mid brain
4. Fore brain

Question:30 Reflex actions are controlled by

1. Brain
2. Spinal cord
3. Cerebrum
4. Hormones

Answers

Q.No	Answers	Q,No	Answers
1	D	16	A
2	C	17	B
3	B	18	C
4	D	19	B
5	B	20	D
6	D	21	A
7	B	22	C
8	C	23	A
9	D	24	B
10	C	25	D
11	B	26	A
12	D	27	C
13	A	28	B
14	B	29	B
15	B	30	B