1. A
   apical meristem only.
2. B
   lateral meristem only.
3. C
   apical and intercalary meristem.
4. D
   both apical and lateral meristem.

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1. A
   Genotypes
2. B
   Sib pairs
3. C
   Alleles
4. D
   Isomers

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1. A
   Adenovirus
2. B
   Variola virus
3. C
   Aichi virus
4. D
   Coxsackie virus

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1. A
   upward pressure
2. B
   downward pressure
3. C
   downward force
4. D
   upward force

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1. A
   Weight is a constant of proportionality.
2. B
   Mass is a constant of proportionality.
3. C
   Mass is not a constant of proportionality.
4. D
   Weight is a universal constant.

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1. A
   conservation of energy and non-conservation of charge.
2. B
   conservation of charge and non-conservation of linear momentum.
3. C
   conservation of charge and non-conservation of energy.
4. D
   conservation of energy, momentum and charge.

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1. A
   4 N moves an object by 25 cm.
2. B
   2 N moves an object by 1 m.
3. C
   1 N moves an object by 1 cm.
4. D
   1 N moves an object by 50 cm.

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1. A
   a change in speed due to a change in its direction of motion.
2. B
   a change in velocity due to a change in its direction of motion.
3. C
   a change in momentum due to no change in its direction of motion.
4. D
   a constant momentum due to a change in its direction of motion.

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1. A
   one-third of the individual resistance.
2. B
   two-third of the individual resistance.
3. C
   equal to the individual resistance.
4. D
   three times of the individual resistance.

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1. A
   Electron
2. B
   Proton
3. C
   Atomic Nucleus
4. D
   Neutron

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1. A
   6
2. B
   8
3. C
   18
4. D
   32

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1. A
   $36 \cdot 1$ u
2. B
   $35 \cdot 5$ u
3. C
   $36 \cdot 5$ u
4. D
   $35 \cdot 1$ u

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1. A
   Iodine
2. B
   Sodium
3. C
   Cobalt
4. D
   Uranium

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1. A
   Magnesium
2. B
   Zinc
3. C
   Aluminium
4. D
   Lead

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1. A
   Copper
2. B
   Zinc
3. C
   Mercury
4. D
   Manganese

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1. A
   the Right-Hand Thumb rule and it would be in the downward direction.
2. B
   the Left-Hand Thumb rule and it would be in the downward direction.
3. C
   the Right-Hand Thumb rule and it would be in the upward direction.
4. D
   the Left-Hand Thumb rule and it would be in the upward direction.

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1. A
   motor
2. B
   generator
3. C
   ammeter
4. D
   galvanometer

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1. A
   nearby object is focused beyond the retina.
2. B
   nearby object is focused before the retina.
3. C
   distant object is focused before the retina.
4. D
   distant object is focused beyond the retina.

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1. A
   scattering of light by the colloidal particles.
2. B
   refraction of light by the colloidal particles.
3. C
   dispersion of light by dust particles.
4. D
   refraction of light by dust particles.

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1. A
   refraction
2. B
   reflection
3. C
   polarization
4. D
   dispersion

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1. A
   is a light sensitive screen.
2. B
   is a muscular diaphragm.
3. C
   contains blood vessels.
4. D
   is composed of proteins and cells.

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1. A
   $+2 \cdot 5$ Dioptre
2. B
   $+3$ Dioptre
3. C
   $+4$ Dioptre
4. D
   $+5$ Dioptre

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1. A
   Four
2. B
   Two
3. C
   One
4. D
   Three

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1. A
   Vitamin E
2. B
   Vitamin C
3. C
   Vitamin $\text{B}_{12}$
4. D
   Vitamin A

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1. A
   Prolactin
2. B
   Estrogen
3. C
   Oxytocin
4. D
   Progesterone

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