NSO Level 1- Science Olympiad (SOF) Class 7: Questions 151 - 155 of 593

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Question number: 151

» Nutrition in Plants and Animals

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MCQ▾

Question

Neel performed an experiment; he took a slice of bread & kept it outside the fridge under normal conditions, after 2 days he found a black-brown, cottony thread like molds on it. Which organism can it mostly like be?

Choices

Choice (4) Response

a.

Mushroom

b.

Rhizopus

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 152

» Nutrition in Plants and Animals

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MCQ▾

Question

Figures showing human digestive system

Figures Showing Human Digestive System

Figures showing human digestive system

Refer the given figures showing human digestive system. What is X here and what its function?

Choices

Choice (4) Response

a.

Stomach – Breaks down food using Acids and Enzymes.

b.

Liver – Secretes bile juice to digest lipids and other complex molecules.

c.

Appendix – Has no specific functions in the body.

d.

Small intestine – Absorbs nutrients from digested food.

Question number: 153

» Nutrition in Plants and Animals

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MCQ▾

Question

The given figure shows human digestive system. Which of the labelled parts secrete enzyme lipase?

Human digestive system

Human Digestive System

Human digestive system

Choices

Choice (4) Response

a.

X

b.

Y

c.

W

d.

Z

Question number: 154

» Physical and Chemical Changes

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MCQ▾

Question

Different types of teeth

Different Types of Teeth

Different types of teeth

The given figures show different types of teeth. Which of these is used for taking bites of food?

Choices

Choice (4) Response

a.

X

b.

W and Y

c.

W

d.

Y and Z

Question number: 155

» Physical and Chemical Changes

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MCQ▾

Question

Read the given statements.

  1. Paramecium has contractile vacuoles which carry out (i) . To expel water from cell, to compensate for fluid absorbed by (ii) from its surroundings.

  2. Hydra has (iii) ability hence they do not die of old age.

  3. An amphibian that uses its long, sticky tongue to catch insects; (iv) .

  4. Mosquitos use tube like mouthparts, called (v) to consume blood of animals.

Select the option which correctly fills the blanks in any two of these statements.

Choices

Choice (4) Response

a.

(iii) Frog; (iv) Pseudopodia.

b.

(ii) Regenerative; (iii) Snake.

c.

(ii) Regenerative; (iv) Proboscis.

d.

(i) Thermoregulation & osmosis; (iii) Crocodile.

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