1. A
   Phototropism
2. B
   Geotropism
3. C
   Hydrotropism
4. D
   Chemotropism

Tap an option to check your answer.

1. A
   Receptors in skin → Relay neuron → Sensory neuron → Motor neuron → Effector muscle in arm
2. B
   Receptors in skin → Motor neuron → Relay neuron → Sensory neuron → Effector muscle in arm
3. C
   Receptors in skin → Sensory neuron → Relay neuron → Motor neuron → Effector muscle in arm
4. D
   Receptors in skin → Sensory neuron → Motor neuron → Relay neuron → Effector muscle in arm

Tap an option to check your answer.

1. A
   Neither Statement A nor Statement B is true
2. B
   Both the statement A and B are true
3. C
   Statement B is true, A is false
4. D
   Statement A is true, B is false

Tap an option to check your answer.

1. A
   Neither statement A nor statement B is true
2. B
   Statement A is true, B is false
3. C
   Both the statements are true
4. D
   Statement B is true, A is false

Tap an option to check your answer.

1. A
   Neither statement A nor Statement B is true.
2. B
   Both the statement A and B are true
3. C
   Statement A is true, B is false
4. D
   Statement B is true, A is false

Tap an option to check your answer.

1. A
   Statement A is true, B is false
2. B
   Neither statement A nor statement B is true
3. C
   Statement B is true, A is false
4. D
   Both the statement A and B are true

Tap an option to check your answer.

1. A
   Neither statement A nor statement B is true
2. B
   Statement B is true, A is false
3. C
   Both the statement A and B are true
4. D
   Statement A is true, B is false

Tap an option to check your answer.

1. A
   Olfactory receptors detect taste and gustatory receptors smell
2. B
   Gustatory receptors detect taste while olfactory receptors detect smell
3. C
   Auditory receptors detect smell and olfactory receptors detect taste
4. D
   Both gustatory and olfactory receptors detect smell

Tap an option to check your answer.

1. A
   Receptors → Muscles → Sensory neuron → Motor neuron → Spinal cord
2. B
   Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle
3. C
   Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle
4. D
   Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle

Tap an option to check your answer.

1. A
   Pons – Consciousness
2. B
   Cerebrum – Memory and intelligence
3. C
   Medulla Oblongata – Involuntary activities
4. D
   Cerebellum – Balance and posture

Tap an option to check your answer.

1. A
   (i) and (iv)
2. B
   (i), (ii) and (iii)
3. C
   (i) and (iii)
4. D
   (i) and (iv)

Tap an option to check your answer.

1. A
   Insufficient secretion of insulin will cause diabetes.
2. B
   It is produced from pancreas.
3. C
   It regulates blood sugar level.
4. D
   It regulates growth and development of the body.

Tap an option to check your answer.

1. A
   Teenaged girl
2. B
   Old woman
3. C
   Pregnant woman
4. D
   Young girl

Tap an option to check your answer.

1. A
   1 and 2
2. B
   All of these
3. C
   2 and 3
4. D
   1 and 3

Tap an option to check your answer.

1. A
   Adrenal
2. B
   Parathyroid
3. C
   Pituitary
4. D
   Thyroid

Tap an option to check your answer.

1. A
   Oxytocin
2. B
   Growth hormone
3. C
   Thyroxin
4. D
   Vasopressin hormone

Tap an option to check your answer.

1. A
   Wilting of leaves.
2. B
   Promote the opening of stomatal pores.
3. C
   Help in the growth of stem.
4. D
   Promote cell division.

Tap an option to check your answer.

1. A
   Nerve cells
2. B
   Muscle cell
3. C
   Bone cell
4. D
   Gland cells

Tap an option to check your answer.

1. A
   Pigment of the plant body
2. B
   Endocrine gland of the plant body
3. C
   All of these
4. D
   Hormone of the plant body

Tap an option to check your answer.

1. A
   oestrogen from testes and testosterone from ovary
2. B
   testosterone from thyroid gland and estrogen from pituitary gland
3. C
   estrogen from adrenal gland and testosterone from pituitary gland
4. D
   testosterone from testes and estrogen from ovary

Tap an option to check your answer.

1. A
   Abscisic acid
2. B
   Gibberellins
3. C
   Cytokinins
4. D
   Auxin

Tap an option to check your answer.

1. A
   cytokinin
2. B
   gibberellin
3. C
   abscisic acid
4. D
   auxin

Tap an option to check your answer.

1. A
   Shoots moving towards light
2. B
   Roots moving downwards
3. C
   The growth of pollen tube towards a chemical
4. D
   Opening of flower (evening primrose)

Tap an option to check your answer.

1. A
   thinking
2. B
   balancing the body
3. C
   regulating the heartbeat
4. D
   All of these

Tap an option to check your answer.

1. A
   Ethylene
2. B
   Gibberellin
3. C
   Auxin
4. D
   Cytokinin

Tap an option to check your answer.