IGCSE Biology Paper-1: Specimen Questions with Answers 92 - 94 of 208

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Question 92

Question

MCQ▾

Which is the example of parasitic food chain

Choices

Choice (4)

a.

b.

Herbivore ⇾ Tree ⇾ parasites ⇾ hyper parasite

c.

d.

Answer

c.

Explanation

In parasitic food chain, the pyramid of number always inverted, because a tree may support the growth of herbivore and herbivore provide nutrition to several parasites, which support many hyper parasite. Therefore, the sequence of parasitic food chain will be-

Question 93

Question

MCQ▾

The diagram shows an animal whose scientific name is Canis lupus. To which species does it belong?

Image Shows an Animal – Find Species

Choices

Choice (4)

a.

Lupus

b.

Carnivore

c.

Canis

d.

Mammalia

Answer

a.

Explanation

Dogs are the domesticated descendants of wolves. Dogs come under the

Phylum; Chordate

Class: Mammalia

Order: Carnivore

Family: Canidae

Genus: Canis

Species: lupus

Question 94

Question

MCQ▾

Which immediate destruction of environment will take place when there was deforestation due to forest fire?

Choices

Choice (4)

a.

Removal of soil

b.

Ozone layer destruction

c.

Air pollution

d.

Noise pollution

Answer

c.

Explanation

Deforestation by burning can cause immediate environmental damage like air pollution because by burning of forests many gases will release which pollute the atmosphere. Air pollution is type of pollution, which can degrade the quality of atmosphere and change the physical chemical and biological characteristics of air.

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