Control and Coordination

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

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

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1. A.
   Fore-Brain, Cerebrum
2. B.
   Mid-Brain, Cerebellum
3. C.
   Hind-Brain, Cerebellum
4. D.
   Hind-Brain, Medulla

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

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1. A.
   Cerebrum
2. B.
   Cerebellum
3. C.
   Medulla
4. D.
   Pons

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1. A.
   Dendritic end of one neuron to axonal end of another neuron.
2. B.
   Axon to cell body of the same neuron.
3. C.
   Cell body to axonal end of the same neuron.
4. D.
   Axonal end of one neuron to dendritic end of another neuron.

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

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1. A.
   promote cell division
2. B.
   wilting of leaves
3. C.
   promote opening of stomatal pore
4. D.
   growth of stem

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1. A.
   Effect of light
2. B.
   Effect of gravity
3. C.
   Rapid cell division in tendril cells in contact with the support
4. D.
   Rapid cell division in tendril cells that are away from the support

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1. A.
   Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Pons
2. B.
   Cerebrum
3. C.
   Cerebellum
4. D.
   Medulla

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1. A.
   Cerebellum
2. B.
   Cerebrum
3. C.
   Pons
4. D.
   Medulla

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

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1. A.
   Nerve ending $\rightarrow$ Axon $\rightarrow$ Cell body $\rightarrow$ Dendrite
2. B.
   Dendrite $\rightarrow$ Cell body $\rightarrow$ Axon $\rightarrow$ Nerve ending
3. C.
   Cell body $\rightarrow$ Dendrite $\rightarrow$ Axon $\rightarrow$ Nerve ending
4. D.
   Dendrite $\rightarrow$ Axon $\rightarrow$ Nerve ending $\rightarrow$ Cell body

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1. A.
   Hormonal effect
2. B.
   Thermal effect
3. C.
   Change in amount of water in cells
4. D.
   Electromagnetic effect

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

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1. A.
   Salivation
2. B.
   Hunger
3. C.
   Vomiting
4. D.
   Blood Pressure

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1. A.
   Parathyroid and Pituitary
2. B.
   Pineal and Thymus
3. C.
   Hypothalamus and Thymus
4. D.
   Hypothalamus and Pineal

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1. A.
   Cytokinins
2. B.
   Gibberellins
3. C.
   Adrenaline
4. D.
   Auxins

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

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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

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1. A.
   Riding a bicycle
2. B.
   Picking up a pencil
3. C.
   Regular beating of heart
4. D.
   Walking in a straight line

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

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1. A.
   Gibberellins
2. B.
   Auxins
3. C.
   Abscissic Acid
4. D.
   Cytokinins

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1. A.
   Nose
2. B.
   Skin
3. C.
   Tongue
4. D.
   Inner ear

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1. A.
   Pituitary
2. B.
   Ovary
3. C.
   Testis
4. D.
   Adrenal

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1. A.
   Gibberellins
2. B.
   Auxins
3. C.
   Abscissic Acids
4. D.
   Cytokinins

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1. A.
   Axon
2. B.
   Dendrites
3. C.
   Neuromuscular junction
4. D.
   Cell body

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1. A.
   Both (A) and (R) are true and (R) is the correct explanation of (A).
2. B.
   Both (A) and (R) are true and (R) is not correct explanation of (A).
3. C.
   (A) is true, but (R) is false.
4. D.
   (A) is false, but (R) is true.

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1. A.
   Part of the Brain: Fore brain; Name: Cerebrum
2. B.
   Part of the Brain: Mid brain; Name: Hypothalamus
3. C.
   Part of the Brain: Hind brain; Name: Cerebellum
4. D.
   Part of the Brain: Hind brain; Name: Medulla

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1. A.
   spinal cord
2. B.
   brain
3. C.
   muscles of the effector organ
4. D.
   bones of the receptor organ

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1. A.
   inner ear
2. B.
   skin
3. C.
   tongue
4. D.
   inner lining of nose

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

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1. A.
   It is due to stimulus of touch and temperature.
2. B.
   It does not depend upon the direction of stimulus received.
3. C.
   It is observed only in roots and not in stems.
4. D.
   It is a growth related movement.

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