Biology For Class X - Chapter No. 3 - Coordination And Control - Multiple Choice Questions And Fill In The Blanks By Sir Saeed Sarang

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CHAPTER 3: COORDINATION AND CONTROL

Multiple Choice Questions And Fill In The Blanks

TEXT BOOK EXERCISE
MULTIPLE CHOICE QUESTIONS

Choose the correct answer:
i) The activity in relation to changes in environment is:
(a) Stimulus
(b) Response ✓
(c) Both a & b
(d) None of these

ii) Stimulus is detected by:
(a) Receptor ✓
(b) Effector
(c) Nerve
(d) All of these

iii) The type of coordination through electrochemical signals is:
(a) Nervous ✓
(b) Chemical
(c) Mechanical
(d) All of these

iv) The chemicals released from one cell and carried to signal some distant cell through blood are:
(a) Neurotransmitters
(b) Enzymes
(c) Hormones ✓
(d) all of these

v) The type of coordination exhibited by Plants:
(a) Nervous coordination
(b) Chemical coordination ✓
(c) Mechanical coordination
(d) Both a & b

vi) The part of brain involved in reasoning is:
(a) Fore brain
(b) Cerebrum
(c) Cortex
(d) Frontal lobe✓

vii) The part of brain involved in balance and precision in movements is:
(a) Cerebrum
(b) Cerebellum ✓
(c) Thalamus
(d) Medulla oblongata

viii) Vital functions for survival of animals are regulated by:
(a) CNS
(b) PNS
(c) somatic sub-division
(d) Autonomic sub-division ✓
(Note: The answer PNS is also correct because Autonomic nervous system is sub division of peripheral nervous system.)

ix) The shortest path of reflex action consists of:
(a) 1 neuron
(b) 2 neurons ✓
(c) 3 neurons
(d) many neurons

x) The type of lens in our eye is:
(a) Convex ✓
(b) concave
(c) Both a & b
(d) None of these

xi) The automatic process of altering focus to get sharper image of near object is:
(a) Vision
(b) Accommodation ✓
(c) Focus
(d) All of these

xii) The vitamin necessary for proper vision is:
(a) Vitamin A ✓
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D

xiii) A colour blind person cannot see:
(a) Anything
(b) Red ✓
(c) White
(d) Black

xiv) The book “Kitab-ul-manazir” was written by:
(a) Jabir bin Hayan
(b) Ibn-al-Haitham ✓
(c) Ali Ibn-Isa
(d) Bu-Ali Sina

xv) Sensory hair-cells are present in:
(a) Retina
(b) Cochlea ✓
(c) Skin
(d) Nose

xvi) The gonads are the target organ for:
(a) FSH
(b) LH
(c) Both a & b ✓
(d) None of these

More MCQs

17. It is exhibited by organs like muscles, glands which are termed effectors.
a) Stimulus
b) Receptors
c) Response ✓
d) Hormones

18. Chemical coordination takes place by releasing specific, signalling molecules as:
a) neurotransmitters
b) enzymes
c) receptors
d) hormones ✓

19. Upon stimulation, they generate electrochemical signals:
a) Neurons ✓
b) Neurotransmitters
c) Nerves
d) Glands

20. In sunflower plants, tuning towards the direction of the sun is believed be caused by:
a) enzymes
b) auxins ✓
c) modulator
d) receptors

21. Which statement is NOT correct for nervous coordination?
a) Rapid in action
b) Respons in shorter duration
c) Related to all organisms ✓
d) involves neurotransmitters

22. Which statement is correct for chemical coordination?
a) Involves other signalling molecules such as hormones ✓
b) Activity of neurons
c) Advance type of coordination
d) signal type in electrochemical

23. It is wrapped in three protective membranes called meninges:
a) Kidneys
b) Lungs
c) Heart
d) brains ✓

24. It is the largest part of the brain:
a) Cerebrum ✓
b) Thalamus
c) Cerebellum
d) Medulla oblongata

25. Cortex can be divided into:
a) two lobes
b) three lobes
c) four lobes ✓
d) five lobes

26. The following lobe of the cortex is associated with thoughts, emotions etc.:
a) Frontal lobe ✓
b) Parietal lobe
c) Temporal lobe
d) Occipital lobe

27. The following lobe of the cortex is associated with different sensation like pressure, temperature, language processing etc.:
a) Frontal lobe
b) Parietal lobe ✓
c) Temporal lobe
d) Occipital lobe

28. Temporal lobe is associated with:
a) thoughts & emotions
b) language processing
c) vision
d) hearing and speech ✓

29. This lobe of the cortex associated with vision:
a) Frontal lobe
b) Parietal lobe
c) Temporal lobe
d) Occipital lobe ✓

30. It lies inside the brain just above the hypothalamus:
a) Thalamus ✓
b) Midbrain
c) Hippocampus
d) Amygdala

31. It regulates life maintaining functions like blood pressure, body temperature, hunger, thirst, etc.
a) Thalamus
b) Hippocampus
c) Hypothalamus ✓
d) Amygdala

32. It plays a vital role in maintaining the homeostasis of the body:
a) Thalamus
b) Hippocampus
c) Hypothalamus ✓
d) Amygdala

33. It is related to long-term memory:
a) Thalamus
b) Hippocampus ✓
c) Hypothalamus
d) Amygdala

34. It is the control center for automatic activities like breathing, heart-beat, blood pressure, coughing, swallowing, hiccupping digesting food, etc.:
a) Cerebrum
b) Thalamus
c) Cerebellum
d) Medulla oblongata ✓

35. It helps in controlling the facial muscles as well as helps in sleep and wakening:
a) Pons ✓
b) Thalamus
c) Hippocampus
d) Medulla oblongata

36. The cells of the nervous system are termed as:
a) axons
b) auxins
c) neurons ✓
d) grey matter

37. Automatic, pre-programmed responses are regulated by:
a) CNS ✓
b) PNS
c) Somatic sub division
d) Autonomic sub division

38. An eye collects light reflected from any object in front and diverts it to a layers of sensory cells called:
a) sclera
b) retina ✓
c) pupil
d) cornea

39. A tough outer white part of an eye is called:
a) cornea
b) pupil
c) retina
d) sclera ✓

40. In front, the sclera becomes transparent termed as:
a) cornea ✓
b) pupil
c) retina
d) sclera

41. Behind the lens, there is a main cavity of the eyeball filled with a clear gel:
a) ciliary body
b) meninges
c) vitreous humor ✓
d) gray matter

42. The innermost layer of the eye is:
a) sclera
b) retina ✓
c) pupil
d) cornea

43. It refers to the difficulty in focusing on a distant object while the near objects are focused normally:
a) Short-sightedness ✓
b) Long-sightedness
c) hyperopia
d) Both B & C

44. It is the difficulty in focusing closer objects while distant vision is clear:
a) short-sightedness
b) Myopia
c) Hyperopia ✓
d) Both B & C

45. He was considered as “father of modern optics”:
a) Ibn-al-Haitham ✓
b) Ali lbn-Isa
c) Bu Ali Sina
d) None of these

46. He was one of the most important Muslim ophthalmologists of medieval times.
a) Jabir bin Hayan
b) Ali Ibn Isa
c) Bu Ali Sina ✓
d) None of these

47. The book Memorandum of te oculists was written by:
a) Jabir bin Hayan
b) Ibn-al-Haitham
c) Ali Ibn Isa ✓
d) Bu Ali Sina

48. It consists of a small cavity containing three small moveable bones:
a) The outer ear
b) The middl ear ✓
c) The inner ear
d) The pinna

49. It is associated with hearing:
a) Semicircular
b) Eustachian tube
c) Ear canal
d) The cochlea ✓

50. Semicircular canals are associated with:
a) balance ✓
b) hearing
c) smell
d) vision

51. It is An important means of chemical Coordination:
a) Central nervous system
b) Peripheral nervous system
c) endocrine System ✓
d) All of these

52. This gland is located in the brain.
a) Thyroid gland
b) Adrenal gland
c) Gonad
d) Pituitary gland ✓

53. It maintains the blood pressure, blood volume and tissue waters.
a) Oxytocin
b) ADH ✓
c) thyroxine
d) calcitonin

54. It stimulates greater contraction of smooth muscles as well as social behaviour.
a) Oxytocin ✓
b) ADH
c) thyroxine
d) calcitonin

55. It is a butterfly-shaped gland located on the trachea in the base of the neck.
a) Thyroid gland ✓
b) Adrenal gland
c) Gonad
d) Pituitary gland

56. It has iodine as its important constituent.
a) Oxytocin
b) ADH
c) Thyroxine ✓
d) calcitonin

57. In case of its deficiency, physical and mental retardation occur in children.
a) Oxygen
b) Iodine ✓
c) Vitamin A
d) vitamin E

58. It is both exocrine as well as endocrine gland in nature.
a) Thyroid gland
b) Adrenal gland
c) Pancreas ✓
d) Pituitary gland

59. It increases low glucose level up to normal.
a) Oxytocin
b) Thyroxine
c) Insulin
d) Glucagon ✓

60. The regulation of blood glucose through insulin and glucagon is a type of:
a) negative feedback ✓
b) positive feedback
c) stimulus
d) effector

61. In diabetes mellitus, the following produces insufficient or no insulin.
a) Thyroid gland
b) Adrenal gland
c) Pancreas ✓
d) Pituitary gland

62. This gland is located on the top of each kidney:
a) Thyroid gland
b) Adrenal gland ✓
c) Pancreas
d) Pituitary gland

63. It secretes several steroids (lipids) for the regulation of body metabolism.
a) Adrenal Cortex ✓
b) Adrenal Medulla
c) Thyroid gland
d) Gonad

64. This hormone is secreted by the adrenal cortex in response to illness of inflammation of any tissue.
a) Estrogens
b) Glucagon
c) Oxytocin
d) Cortisol ✓

65. It responds to emergency conditions to produce so called “fight or flight response”.
a) Adrenal Cortex
b) Adrenal Medulla ✓
c) Thyroid gland
d) Gonad

66. Adrenal medulla secretes this emergency hormone resulting in an increase in blood glucose level by breaking down glycogen.
a) Cortisol
b) Glucagon
c) Adrenaline ✓
d) Progesterone.

Fill In The Blanks:
1. The changes or stimuli are detected by special cells or organs termed as RECEPTORS.
2. The activity or response performed after analyzing stimulus is exhibited by organs like muscles, glands which are termed as effectors.
3. There are two types of coordination: 1) Chemical Coordination, 2) Nervous Coordination
4. The neurons upon stimulation generate electrochemical signal.
5. Lower organisms and plants have chemical coordination through signalling molecules.
6. Human nervous system like other vertebrates is “centralized-type nervous system”.
7. Brain is the major command and control center of our body.
8. Human brain consists of following important parts: Cerebrum, cerebellum, thalamus, hypothalamus and medulla oblongata.
9. Spinal cord is a butterfly-shaped, thick, whitish, long tube like structure which arises from medulla oblongata and extends down through the vertebral column.
10. Peripheral Nervous System consists of cables or Nerves which arise from the central nervous system and connect it to different organs of the body.
11. The cells of the nervous system are termed as neurons.
12. Each neuron is specialized to generate and conduct neuronal signal or nerve impulse.
13. The pathway of a reflex action is termed as reflex arc.
14. Human body can detect number of stimuli like light, sound, gravity, damage to the tissues, etc, through its various receptors.
15. Accommodation is an automatic process of altering focus to get sharper image of the near objects.
16. Vitamin A or retinal is required for proper vision.
17. Short-sightedness (myopia) refers to the difficulty in focusing distant object while the near objects are focused normally.
18. Long- sightedness (Hyperopia) is the difficulty in focusing closer objects.
19. Colour blindness is a deficiency of vision in which one cannot distinguish certain colors such as blue and yellow or red and green.
20. Ear is an organ of hearing and balance.
21. Endocrine system consists of ductless glands which secrete hormones directly into the blood.
22. Pituitary gland located in brain secretes number of hormones which influence upon other endocrine glands also besides other organs.
23. Thyroid gland, a butterfly shaped gland located on trachea in the base of neck secretes thyroxine and calcitonin.
24. Pancreas consists of patches of cells called “Islet's of Langerhans” which are involved in regulating glucose metabolism through their hormones insulin and glucagon.
25. Diabetes mellitus is a disorder in which pancreas produces insufficient or no insulin.
26. Testes secrete testosterone which is responsible for the development of secondary characteristics in boys.
27. Estrogen is responsible for the development of secondary characteristics in girls, etc.
28. Progesterone maintains and prepares uterus for pregnancy.
29. Hormone secretion is regulated through feed-back control so that they are secreted whenever required.
30. Paralysis is partial or complete loss of controlled movement caused by the inability to contract one or more muscles.
31. Epilepsy is a brain disorder in which there is temporary alteration in one or more function or recurrent seizures.