Question # 1

Micronutrients of plants are:

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Available in the soil only in small amounts

Required by plants in small amounts

Small molecules required by plants

Useful, but not required by plants

The hepatic portal vein caries blood from the ____________ to the _______.

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Small intestines, liver

Small intestines, heart

Liver, heart

Small intestines, colon

Where are the villi found?

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Esophagus

Stomach

Small intestine

Large intestine

Breaking of large molecules of fats into small droplets is called:

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Emulsification

Digestion

Assimilation

Egestion

things like manure, seaweed, sewage etc are example of .............. fertilizers.

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Organic

Inorganic

Both

None

The large intestine is about ................ meters long.

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1.2

1.3

1.4

1.5

Many bacteria in colon produce vitamin ____________ necessary for coagulation of blood.

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A

K

C

D

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

The wavelike movement of muscle that pushes food through the digestive system is called:

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Chemical digestion

Emulsification

Absorption

Paristalsis

.............. is water-soluble vitamin.

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Vitamin A

Vitamin C

Vitamin D

Vitamin K

In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .

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1:2

2:1

2:2

3:2

Which food group is our body's best source of energy?

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Meat Group

Fats,oils and sweets

Breads and cereals

Milk and cheese

................. is an important port of ulcer formation.

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Cigarette smoking

Over eating

Spicy food

All

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