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Biology

Biology
The kilo calories of energy released from one gram of fats is

9.45
4.59
9.54
5.49

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Biology
Which of the following is nucessary for digestion of food ?

Water
Air
Mineral
Enzyme

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Biology
Sphygmomanometer measures the blood pressure in the

Arteries
Eyes
Synovial
Veins

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Biology
Which of the following is an example of parasitism?

All of these
Ticks that live on dogs
Leeches consume blood of their host
Aphid insects eat the sap of the host plant

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Biology
Which of the following is not a function of saliva?

Contains fluoride to harden the tooth enamel
Helps clean the mouth
Begins the chemical breakdown of starches
Moistens food and helps stick it together to make it easier to swallow

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Biology
Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?

Vitamin C
Vitamin B
Vitamin K
Vitamin D

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