Nutrition in Plants and Animals (NSO Level 1- Science Olympiad (SOF) Class 7): Questions 1 - 3 of 35

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Question number: 1

» Nutrition in Plants and Animals

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MCQ▾

Question

The (i) secretes Amylase in (ii) . Amylase breaks up (iii) into (iv) and dextrin, which is further hydrolysed by other enzymes in small intestine. It is a mix gland, which secretes hormones like (v) .

Select the option which correctly completes the above paragraph.

Choices

Choice (4) Response

a.

i. Liver

ii. Spleen

iii. Protein

iv. Peptides

v. Insulin

b.

i. Liver

ii. Duodenum

iii. Protein

iv. Peptides

v. Insulin

c.

i. Pancreas

ii. Duodenum

iii. Starch

iv. Maltose

v. Insulin

d.

i. Pancreas

ii. Spleen

iii. Fats

iv. Fatty acids & Glycerol

v. Insulin

Question number: 2

» Nutrition in Plants and Animals

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MCQ▾

Question

Hydrochloric acid is secreted in stomach to digest complex molecules along with this the acid is strong enough to kill the bacteria that enter the stomach with food. How is it possible that having such a corrosive action HCl does not damage the inner lining of the stomach?

Choices

Choice (4) Response

a.

The glands in the stomach secrete some bases that neutralize the effect of HCl.

b.

The inner lining of stomach is thick enough to prevent corrosive action of HCl.

c.

The inner lining secretes mucus which forms a protective layer over it.

d.

All of the above

Question number: 3

» Nutrition in Plants and Animals

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MCQ▾

Question

Which of the following options is correct to define the symbiotic relation between the bacterium “Rhizobium” & Leguminous plant?

Choices

Choice (4) Response

a.

Rhizobia fix nitrogen for itself.

b.

Plants provide food and shelter to Rhizobium.

c.

Rhizobium converts atmospheric nitrogen into a soluble form, for plants.

d.

Both b. and c. are correct

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