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Q 1. Energy is produced by the process of
Digestion
Assimilation
Respiration
Excretion
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Q 2. The end product of carbohydrate digestion is
Maltose
Sucrose
Glucose
Lactose
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Q 3. Saliva contains
Ptyalin
Renin
Trypsin
All of these
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Q 4. A person with high fever may breath faster than normal. This may be due to
Additional requirement of {tex}\mathrm{O_2}{/tex} for the invaded germs
High temperature of body
Loss of appetite
Mental worry of patient
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Q 5. If a man from sea coast of Kerala goes to Mount everest.
His breathing rate and heart beat will increase
His breathing rate and heart beat will decrease
His breathing rate will increase but heart beat will decrease
His breathing rate will decrease but heart beat will increase
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Q 6. Circulatory system is open in
Prawn
Toad
Lizard
Pigeon
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Q 7. Which is not excretory organ?
Skin
Kidney
Liver
Pancreas
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Q 8. Special excretory organ is lacking in :
Earthworm
Amoeba
Man
Insects
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Q 9. Henle's loop is short or absent in
Fresh water fish
Birds
Mammals
All of the above
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Q 10. In which form is food transported in plants
Sucrose
Fructose
Glucose
Lactose
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Q 11. In photosynthesis
{tex}\mathrm{CO_2}{/tex} is reduced while {tex}\mathrm{H_2O}{/tex} oxidized
{tex}\mathrm{CO_2}{/tex} is oxidized white {tex}\mathrm{H_2O}{/tex} reduced
{tex}\mathrm{CO_2}{/tex} and {tex}\mathrm{H_2O}{/tex} are oxidized
{tex}\mathrm{CO_2}{/tex} & {tex}\mathrm{H_2O}{/tex} are reduced