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Control and Coordination (Class - X)

Control and Co-ordination

17 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following hormones is/are responsible for the phototrophic and geotropic responses in plants?

  1. Gibberllins
  2. Abscisic acid
  3. Cytokinins
  4. Auxins
  5. None of these
Question 2 Multiple Choice (Single Answer)

A few plant hormones promote growth in plants. Which of the following hormones promote(s) growth in plants?

a. Auxins
b. Cytokinins
c. Abscisic acid

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 3 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. In nasties, the direction of movement is not determined by the direction of stimulus.
b. Gibberellins promote the wiltering and falling of leaves.
c. The roots of a plant are negatively phototrophic.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 4 Multiple Choice (Single Answer)

Leaf tendrils and stem tendrils are the two types of tendrils. Which of the following plants have leaf tendrils that are positively thigmotropic?

a. Peas
b. Passion flower
c. Glory lily
d. Bottle gourd

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only b and d
Question 5 Multiple Choice (Single Answer)

A receptor is sensitive to a particular type of stimulus. Which of the following is the function of olfactory receptors?

  1. They detect heat or cold.
  2. They detect taste.
  3. They detect sound.
  4. They detect light.
  5. They detect smell.
Question 6 Multiple Choice (Single Answer)

Which of the following neurons transmit impulses from the central nervous system towards the muscle cells?

a. Relay neurons
b. Sensory neurons
c. Motor neurons

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 7 Multiple Choice (Single Answer)

The function of which of the following nerves is to connect the muscles and skin to the spinal cord?

a. The cranial nerves
b. The spinal nerves
c. The visceral nerves

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

Match the following:

 
Types of tropism Stimulus
a. Thigmotropism 1. Light
b. Geotropism 2. Touch
c. Phototropism 3. Gravity
  1. a - 2, b - 3, c - 1
  2. a - 2, b - 1, c - 3
  3. a - 1, b - 2, c - 3
  4. a - 3, b - 2, c - 1
  5. a - 1, b - 3, c - 2
Question 9 Multiple Choice (Single Answer)

Which of the following is/are a part of the central nervous system?

a. The brain
b. The spinal cord
c. The nerves of the body

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The shorter fibres on the body of a neuron are called axon.
b. The axon passes the nerve impulses to another neuron through a junction called synapse.
c. Muscles and glands are the main effectors of the human body.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

The brain is broadly divided into three regions. Which of the following form a part of the hindbrain?

a. Pons
b. Cerebrum
c. Cerebellum
d. Medulla

  1. Only a, b and c
  2. Only b, c and d
  3. Only a and b
  4. Only b and d
  5. Only a, c and d
Question 12 Multiple Choice (Single Answer)

The function of which of the following is to control the reflex movements of the eye muscles, changes in pupil size and shape of the eye lens?

  1. Pons
  2. Cerebrum
  3. Cerebellum
  4. Midbrain
  5. Medulla
Question 13 Multiple Choice (Single Answer)

Which of the following glands do not have both exocrine and endocrine functions?

a. Adrenal glands
b. Pancreas
c. Hypothalamus
d. Ovaries

  1. Only a and c
  2. Only b and c
  3. Only a and b
  4. Only b and d
  5. Only a and d
Question 14 Multiple Choice (Single Answer)

The hormones released from which of the following glands prepares the body for emergency situations like danger, anger, excitement, etc?

  1. Pancreas
  2. Parathyroid gland
  3. Adrenal glands
  4. Pituitary glands
  5. Testes
Question 15 Multiple Choice (Single Answer)

Glands secreting its product into a duct are called exocrine glands. Which of the following glands are exocrine glands?

a. Parathyroid glands
b. Pancreas
c. Sweat glands
d. Salivary glands

  1. Only a and b
  2. Only b and c
  3. Only a and c
  4. Only a and d
  5. Only c and d
Question 16 Multiple Choice (Single Answer)

The function of which of the following hormone is to control the rate of metabolism of carbohydrates, fats and proteins in the body?

  1. Adrenaline
  2. Testosterone
  3. Oestrogen
  4. Growth hormone
  5. Thyroxine
Question 17 Multiple Choice (Single Answer)

Which of the following hormones controls the uterus changes in menstrual cycles and also helps in maintaining pregnancy?

  1. Oestrogen
  2. Progesterone
  3. Testosterone
  4. Adrenaline
  5. Thymus
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