1. A
   Ribosome
2. B
   Golgi apparatus
3. C
   Chloroplast
4. D
   Nucleus

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1. A
   Nucleus
2. B
   Golgi apparatus
3. C
   Endoplasmic reticulum
4. D
   Mitochondria

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1. A
   The concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell.
2. B
   The concentration of water molecules is the same in the cell and in the surrounding medium.
3. C
   The concentration of water molecules does not matter.
4. D
   The concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium.

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1. A
   None of these
2. B
   SER helps in detoxification in the liver of vertebrates.
3. C
   ER helps in the transport of materials from one part of the cell to another.
4. D
   ER helps in the synthesis of proteins.

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1. A
   Thermoplast
2. B
   Chloroplasts
3. C
   Leucoplasts
4. D
   Chromoplasts

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1. A
   steroids
2. B
   proteins
3. C
   starch
4. D
   glycogen

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1. A
   scales
2. B
   cells
3. C
   roots
4. D
   tissues

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1. A
   membrane
2. B
   mitochondria
3. C
   nucleic acid
4. D
   proteins

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1. A
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
2. B
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
3. C
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
4. D
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

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1. A
   1-A, 2-C, 3-B, 4-D
2. B
   1-D, 2-A, 3-C, 4-B
3. C
   1-C, 2-A, 3-B, 4-D
4. D
   1-B, 2-D, 3-A, 4-C

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1. A
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
2. B
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
3. C
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
4. D
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

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1. A
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
2. B
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
3. C
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
4. D
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

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1. A
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
2. B
   (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
3. C
   (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. D
   (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)

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1. A
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
2. B
   (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. C
   (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
4. D
   (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

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1. A
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
2. B
   (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
3. C
   (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. D
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)

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1. A
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
2. B
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
3. C
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
4. D
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

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1. A
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
2. B
   (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
3. C
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
4. D
   (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

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1. A
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
2. B
   (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
3. C
   (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
4. D
   (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)

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1. A
   1-C, 2-B, 3-A, 4-D
2. B
   1-B, 2-D, 3-A, 4-C
3. C
   1-A, 2-C, 3-B, 4-D
4. D
   1-D, 2-A, 3-B, 4-C

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1. A
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
2. B
   (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
3. C
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
4. D
   (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)

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1. A
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
2. B
   (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
3. C
   (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
4. D
   (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

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1. A
   (a)-(i), (b)-(iv), (c)-(iii), (d)-(iv)
2. B
   (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
3. C
   (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
4. D
   (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)

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1. A
   Polar cap
2. B
   Leucoplast
3. C
   Stroma
4. D
   Spindle fibres

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1. A
   hypotonic
2. B
   isotonic
3. C
   saturated
4. D
   hypertonic

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1. A
   Fungal
2. B
   Eukaryotic
3. C
   Prokaryotic
4. D
   Amoeba

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