NSO Level 1- Science Olympiad (SOF) Class 11: Questions 66 - 71 of 88

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Question 66

Question

MCQ▾

The diagram shows section of a flower.

The Diagram Shows Section of a Flower

Which structure is the style?

Choices

Choice (4)Response

a.

C diagram

b.

A diagram

c.

D diagram

d.

B diagram

Question 67

Question

MCQ▾

The diagram shows sections through two types of blood vessel, not drawn to the same scale.

Two Types of Blood Vessel

Which section is from a vein and which is from an artery?

Choices

Choice (4)Response

a.

P-artery, Q-vein

b.

P-vein, Q-vein

c.

P-vein, Q-artery

d.

P-artery, Q-artery

Question 68

Question

MCQ▾

The diagram shows the breathing system.

The Diagram Shows the Breathing System

What are the labelled structures?

Choices

Choice (4)Response

a.

X-trachea, Y-diaphragm, Z-bronchus

b.

X-trachea, Y-bronchus, Z-diaphragm

c.

X-bronchus, Y-diaphragm, Z-trachea

d.

X-diaphragm, Y-bronchus, Z-trachea

Question 69

Question

MCQ▾

What controls the speed of chemical reactions in all living cells?

Choices

Choice (4)Response

a.

Hormones

b.

Enzymes

c.

Ions

d.

Metalloids

Question 70

Question

MCQ▾

Which cell does not contain cytoplasm?

Choices

Choice (4)Response

a.

Palisade cell

b.

Xylem vessels

c.

Liver cell

d.

Epithelial cell

Question 71

Question

MCQ▾

Which process releases water vapour into the atmosphere from the leaves of trees?

Choices

Choice (4)Response

a.

Diffusion

b.

Transpiration

c.

Osmosis

d.

Active transport

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