1. A
   Option (b)
2. B
   Option (c)
3. C
   Option (d)
4. D
   Option (a)

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1. A
   Insulin
2. B
   Adrenaline
3. C
   Thyroxine
4. D
   Vasopressine

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1. A
   growth hormone
2. B
   oestrogen
3. C
   testosterone
4. D
   insulin

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1. A
   Both Sensory neuron and Motor neuron
2. B
   Motor neuron
3. C
   Neither Sensory neuron and Motor neuron
4. D
   Sensory neuron

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1. A
   Thyroxin
2. B
   Insulin
3. C
   Adrenaline
4. D
   Auxin

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

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

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

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1. A
   Thyroxine
2. B
   Testosterone
3. C
   Growth hormone
4. D
   Insulin

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1. A
   amount of water in cells
2. B
   temperature of cells
3. C
   position of nucleus in the cells
4. D
   protein composition of cells

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1. A
   Temporal lobe
2. B
   Cerebellum
3. C
   Pons
4. D
   Parietal lobe

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1. A
   cerebrum
2. B
   pons
3. C
   cerebellum
4. D
   medulla

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1. A
   Cerebrospinal fluid
2. B
   Meninges
3. C
   Squamous epithelial
4. D
   Adipose tissue

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1. A
   phototropism
2. B
   hydrotropism
3. C
   chemotropism
4. D
   geotropism

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1. A
   speech
2. B
   Taste
3. C
   heating
4. D
   smell

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

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1. A
   Endocrine gland
2. B
   Exocrine gland
3. C
   spinal cord
4. D
   Brain

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1. A
   rapid cell division in tendrillar cells in contact with the support
2. B
   rapid cell divisions in tendrillar cells that are away from the support
3. C
   effect of gravity
4. D
   effect of light

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1. A
   axonal end
2. B
   dendritic end
3. C
   axon
4. D
   cell body

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1. A
   ANS
2. B
   CNS
3. C
   PNS
4. D
   DNS

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1. A
   geotropism
2. B
   chemotropism
3. C
   phototropism
4. D
   hydrotropism

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1. A
   rise in phosphorus level
2. B
   rise in calcium level
3. C
   fall in calcium level
4. D
   fall in phosphorus level

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1. A
   Negative phototropism
2. B
   Positive phototropism
3. C
   Positive geotropism
4. D
   Negative hydrotropism

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1. A
   Stomach
2. B
   Heart
3. C
   Brain
4. D
   Lungs

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

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