10th Class Biology Unit 5 Coordination MCQs with Answers

1.Schwann cells are the supporting cells for neurons. They make:

2.Which part of the brain controls balance while riding a bicycle?

3.Which part of brain is responsible for sensations of temperature, hunger, thirst, and sleep?

4.If a patient cannot remember things, which part of their brain may be affected?

5.During danger, which system activates quickly?

6.Why are reflex actions faster than normal actions?

7.Which of these acts as exocrine as well as endocrine gland?

8.The chemical messengers of the endocrine system are called:

9.What could happen if hormone of parathyroid gland were missing?

10.Which endocrine gland prepares the body for "fight or flight" response?

11.The unit of structure and function in the nervous system is:

12.Once released neurotransmitter molecules typically produce signals in postsynaptic neurons by:

13.Processes that carry nerve impulses away from the cell body are called:

14.The myelin sheath is formed by ___ which wrap around the axons of some neurons.

15.The longest cell in human body is:

16.Nucleus and cytoplasm of neuron is located in:

17.The non-myelinated points between the areas of myelin on an axon are called:

18.Types of neurons according to their work are:

19.Which part of the brain detects temperature changes in the blood?

20.The parts of brain I and II are represented by

a I: Cerebellum, II: Pons
b I: Cerebrum, II: Pons
c I: Cerebellum, II: Medulla oblongata
d I: Cerebrum, II: Medulla oblongata

21.The diagram shows Reflex arc. The components of this reflex are:

22.The diagram shows the different regions of brain. Which structure carry out the functions of conscious thought and intelligence?

23.The portion of the nervous system that is involuntary in action:

24.The part of the brain responsible for muscle movement, interpretation of the senses and the memory is the:

25.This is not a part of the hindbrain:

26.If you look at an intact human brain, what you see the most is a large, highly convoluted outer surface. This is the:

27.Lobe concerned with senses of hearing and smell:

28.The largest part of the fore-brain that controls skeletal muscles, thinking, intelligence and emotions:

29.Pairs of cranial nerves are:

30.Pairs of spinal nerves are:

31.A connection between cerebellum and spinal cord is:

32.Lobe which permits conscious control of skeletal muscles:

33.Visual information is received and analysed by:

34.Layers of brain are called:

35.Cerebrospinal fluid is present in:

36.Sympathetic and para-sympathetic nervous systems are responsible for the activities which cannot be controlled consciously. These two systems make of:

37.The system which prepares the body to deal with the situation of fight or flight is:

38.The part of the brain which you use in recalling your memories is:

39.The pathway followed by the nerve impulses for producing a reflex action is called:

40.In reflex action, (sudden withdrawal of hand after touching a hot object) it acts as co-ordinator:

41.Thyroid gland has the ability to store:

42.Endocrine glands pour their secretion directly into:

43.Islet of Langerhans are parts of the:

44.Nerve impulse is best described as:

45.When a person is frightened, which substance increases the blood sugar level?

46.In contrast to nerves, the response produced by hormones takes longer because:

47.Four characters of specific hormone are listed below: i. Increased rate and intensity of heartbeat ii. Increased blood pressure iii. Decreased blood flow to skin & alimentary canal iv. Increase blood flow to limb Select the correct hormone?

48.Blood glucose is maintained by insulin which is secreted by:

49.Glucagon is secreted by:

50.The hormone calcitonin is secreted by:

51.Thyroxine and calcitonin is produced by the influence of:

52.Female secondary sex character are controlled by:

a Estrogen
b Progesterone
c Testosterone
d Estrogen and Progesterone

53.Progesterone is secreted by:

54.Insulin and glucagon are produced in the:

55.Endocrine glands are:

Unit 5: Coordination — Mcqs