NSO Level 1- Science Olympiad (SOF) Class 9: Questions 450 - 456 of 1128

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Question 450

Question

MCQ▾

If P is taller than Q; R is shorter than P; S is taller than T but shorter than Q. Then who among them is the tallest?

Choices

Choice (4)Response

a.

R

b.

P

c.

S

d.

T

Question 451

Question

MCQ▾

Identify the cell in the diagram that contains proteins, salts and hormones?

The Cell in the Diagram

Choices

Choice (4)Response

a.

Macrophage

b.

Fibroblast

c.

Plasma cell

d.

Mast cell

Question 452

Question

MCQ▾

Apis cerana indica is a

Choices

Choice (4)Response

a.

Fowl

b.

Fish

c.

Cow

d.

Bee

Question 453

Question

MCQ▾

On a hot day our body becomes cool after sweating. This is because

Choices

Choice (4)Response

a.

Sweat is very cool.

b.

Sweat absorbs heat from our body for evaporation.

c.

Sweat contains salt that makes our body cool

d.

Sweat increases the humidity

Question 454

Question

MCQ▾

Real organs are absent in

Choices

Choice (4)Response

a.

Molluscs

b.

Protochordates

c.

Arthropods

d.

Nematods

Question 455

Question

MCQ▾

When boiled in water, collagen changes into

Choices

Choice (4)Response

a.

Reticulin

b.

Myosin

c.

Elastin

d.

Gelatin

Question 456

Question

MCQ▾

During change of state, the temperature remains constant though we continue heating. How will you explain this statement?

Choices

Choice (4)Response

a.

Heat is not required for change of state

b.

The heat is used to increase the temperature of the surrounding air

c.

The substance will not accept any heat during change of state.

d.

The heat supplied is utilised to break the binding force between particles

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