Diversity in Living Organisms [CBSE (Central Board of Secondary Education) Class-9 Science]: Questions 1 - 5 of 42

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Question 1

Question MCQ▾

Fungi are:

Choices

Choice (4)Response

a.

Non-green heterotrophic

b.

Parasitic or saprotrophic

c.

Web of fine delicate threads called hyphae

d.

All a., b. and c. are correct

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Question 2

Question MCQ▾

Areas which are rich in biodiversity are called as:

Choices

Choice (4)Response

a.

Category

b.

Mega diversity centres

c.

Phylum

d.

None of the above

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Question 3

Question MCQ▾

The characteristics of spiny skimmed animals are:

Choices

Choice (4)Response

a.

Ambulacral system, calcium carbonate structures that they use as a skelton

b.

Marine, sedentary, triploblastic and radially symmetrical, tube feet for locomotion

c.

Both a. and b. are correct

d.

None of the above

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Question 4

Question MCQ▾

Bacteria are:

Choices

Choice (4)Response

a.

Bacteria reproduce asexually and lack nucleus membrane and chlorophyll

b.

Bacteria are parasitic and cause disease in humans, animals and plants

c.

Unicellular microscopic organisms

d.

All a., b. and c. are correct

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Question 5

Question MCQ▾

Biodiversity is defined as:

Choices

Choice (4)Response

a.

Occurrence of different forms of life on earth

b.

Variety of life forms found in a particular region

c.

A rank or level in classification

d.

Both a. and b. are correct

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