Class 10 Science Chapter 7 MCQ

Class 10 Science Chapter 7 MCQ (Multiple Choice Questions) of Control and Coordination. MCQs are prepared including intext questions and exercises questions. These MCQ Online Tests covers the entire chapter 7 of grade 10 science.

Terms related to organs and hormones responsible for the control and coordination are given here in the format of MCQ Quiz. Practice these objective questions to clear the concepts of chapter 7 of standard X Science.

Class 10 Science Chapter 7 MCQ Online Test for 2020-2021

Class: 10Science
Chapter: 7Control and Coordination
Contents:MCQ Online Tests with Answers

Class 10 Science Chapter 7 MCQ Test for Revision

Class 10 Science Chapter 7 MCQ Online Test with answers and explanation. All the questions are important for the exams whether it is class test or terminal exams. All the questions are prepared from NCERT Textbook for class 10 Science only. Answers and Explanation of the questions are also confined to NCERT Books only.


Which of the following endocrine glands is unpaired?

[A]. Adrenal
[B]. Testes
[C]. Pituitary
[D]. Ovary

The hormone which increases the fertility in males is called

[A]. Oestrogen
[B]. Testosterone
[C]. Insulin
[D]. Growth hormone


Which of the following statement is or are incorrect?

[A]. The function of parathyroid hormone is to regulate calcium and phosphate level in the blood.
[B]. Thymus gland secretes thymus hormone which plays a role in the development of the immune system of the body.
[C]. Pancreas secretes the hormone called insulin, the function of insulin hormone is to lower the blood sugar level or glucose level.
[D]. None of the above

Consider the following statements and choose the correct one:

[A]. Medulla controls various involuntary actions such as heartbeat, breathing, blood pressure and peristaltic movement of alimentary canal.
[B]. The cerebellum helps in maintaining posture and balance of the body such as walking, dancing, cycling, writing etc.
[C]. The mid brain controls reflex movement of the head, neck and trunk in response to visual and auditory stimuli.
[D]. All the above


Riya is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:

[A]. A microscopic gap between a pair of adjacent neurons over which nerve impulses pass when going from one neuron to the next is called a synapse.
[B]. The shorter fibre on the body of a neuron are called dendrites.
[C]. Synapse actually act like two-way valves.
[D]. The longest fibre on the cell body of a neuron is called Axon.

The movement of sunflower in accordance with the path of sun is due to

[A]. Phototropism
[B]. Geotropism
[C]. Chemotropism
[D]. Hydrotropism

Badal appeared in class test but he confused to know the correct statement. Would you help him to know that?

[A]. The autonomic nervous system controls and regulate the function of the internal organs of our body involuntarily.
[B]. The voluntary nervous system helps us take voluntary actions which are under the conscious control of the brain.
[C]. When we are going to school, the brain analysis information and decide that since there is a risk of being late of school, so we should walk faster.
[D]. All the above


Iodine is necessary for the synthesis of which hormone?

[A]. Adrenaline
[B]. Thyroxin
[C]. Auxin
[D]. Insulin

Which of the following is not associated with growth of plant?

[A]. Auxin
[B]. Gibberellins
[C]. Cytokinin
[D]. Abscisic acid

Posture and balance of the body is controlled by

[A]. Cerebrum
[B]. Cerebellum
[C]. Medulla
[D]. Pons
What is function of Medulla in Hindi-Brain?

Medulla controls all involuntary actions including blood pressure, salivation and vomiting.

How do dendrils cling the support?

Tendrils are sensitive to touch. When they come in contact with any support, the part of the tendril in contact with the object does not grow as rapidly as the part of the tendril away from the object. This causes the tendril to circle around the object and thus cling to it.

Why do plants appear to bend towards light?

When growing plants detect light, a hormone called auxin, synthesised at the shoot tip, helps the cells to grow longer. When light is coming from one side of the plant, auxin diffuses towards the shady side of the shoot. This concentration of auxin stimulates the cells to grow longer on the side of the shoot which is away from light. Thus, the plant appears to bend towards light.

Name the hormone of plant which inhibits the growth?

Abscisic acid is one example of a hormone which inhibits growth of plants.

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