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Biology

Page 12

The centre for learning and memory in the human brain is

a.

medulla oblongata

b.

cerebellum

c.

cerebrum

d.

olfactory lobe

Which of the following materials is not easily biodegradable?

a.

Polythene bag

b.

Cotton bag

c.

Hides and skin bag

d.

Paper bag

The gradual cumulative, adaptive and heritable changes in an organism over a long period of time resulting in new species is called

a.

Adaptation

b.

Survival

c.

Organic evolution

d.

Interspecific competition

The association between two organism in which one of the organism gains and the other loses is referred to as

a.

saprophytism

b.

commensalism

c.

mutualism

d.

parasitism

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