CBSE Class 10 Science Chapter 7 Control And Coordination Multiple Choice Questions with Answers. MCQ Class 10 Science Control And Coordination with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Control And Coordination MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 3
Question 1:
Involuntary actions in the body are controlled by
(a) medulla in fore brain
(b) medulla in mid brain
(c) medulla in hind brain
(d) medulla in spinal cord
Correct Answer – (C)
Question 2 :
The substance that triggers the fall of mature leaves and fruits from plants is due to
(a) auxin
(b) gibberellin
(c) abscisic acid
(d) cytokinin
Correct Answer – (C)
Question 3 :
The growth of pollen tubes towards ovules is due to
(a) hydrotropism
(b) chemotropism
(c) geotropism
(d) phototropism
Correct Answer – (B)
Question 4 :
The shape of guard cells changes due to change in the
(a) protein composition of cells
(b) temperature of cells
(c) amount of water in cells
(d) position of nucleus in the cells
Correct Answer – (C)
Question 5 :
Choose the incorrect statement about insulin
(a) It is produced from pancreas
(b) It regulates growth and development of the body
(c) It regulates blood sugar level
(d) Insufficient secretion of insulin will cause diabetes
Correct Answer – (B)
Question 6 :
Which of the following statements about transmission of nerve impulse is incorrect?
(a) Nerve impulse travels from dendritic end towards axonal end.
(b) At the dendritic end electrical impulses bring about the release of some chemicals which generate an electrical impulse at the axonal end of another neuron.
(c) The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron.
(d) A neuron transmits electrical impulses not only to another neuron but also to muscle and gland cells.
Correct Answer – (B)
Question 7 :
The movement of sunflower in accordance with the path of Sun is due to
(a) phototropism
(b) geotropism
(c) chemotropism
(d) hydrotropism
Correct Answer – (A)
Question 8 :
The growth of tendril in pea plants is due to
(a) effect of light
(b) effect of gravity
(c) rapid cell divisions in tendrillar cells that are away from the support
(d) rapid cell divisions in tendrillar cells in contact with the support
Correct Answer – (C)
Question 9 :
Select the mis-matched pair:
(a) Adrenaline : Pituitary gland
(b) Testosterone : Testes
(c) Estrogen : Ovary
(d) Thyroxin : Thyroid gland
Correct Answer – (A)
Question 10 :
Iodine is necessary for the synthesis of which hormone?
(a) Adrenaline
(b) Thyroxin
(c) Auxin
(d) Insulin
Correct Answer – (B)
- NCERT Solutions Class 10 Science Chapter 4 : Carbon And Its Compounds
- NCERT Solutions Class 10 Science Chapter 5 : Periodic Classification of Elements
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- NCERT Solutions Class 10 Science Chapter 7 : Control and Coordination
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- NCERT Solutions Class 10 Science Textbook Download
