Choose the correct answer from the four options given below each statement:

BCG vaccine is used to build immunity against :

1. Poliomyelitis
2. Tuberculosis
3. Malaria
4. Whooping cough

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A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to :

1. Remove starch from the plant
2. Ensure that starch is not translocated from the leaves
3. Remove chlorophyll from the leaf of the plant
4. Remove starch from the experimental leaf

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A reflex arc in man is best described as movement of stimuli from :

1. Receptor cell, sensory neuron, relaying neuron, effector muscles.
2. Receptor cell, efferent nerve, relaying neuron, muscles of the body
3. Receptor cell, spinal cord, motor neuron, relaying neuron.
4. Receptor cell, synapse, motor neuron, relaying neuron.

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NADP is expanded as :

1. Nicotinamide, adenosine dinucleostide phosphate
2. Nicotinamide, adenine dinucleotide phosphate
3. Nicotinamide, adenine dinucleous phosphate
4. Nicotinamide, adenosine dinucleous phosphate