Biology-Micro-Organisms (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 6 of 10

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Question number: 1

» Biology » Micro-Organisms

Appeared in Year: 2012

MCQ▾

Question

Which of the following statements are correct?

I. Tapeworms are hermaphrodites and undergo self-fertilisation.

II. Earthworms are hermaphrodite and undergo self-fertilisation.

III. Tapeworms are hermaphrodites but undergo cross-fertilisation.

IV. Earthworms are hermaphrodites but undergo cross- fertilisation.

Choices

Choice (4) Response

a.

II and III

b.

I and II

c.

III and IV

d.

IV and I

Question number: 2

» Biology » Micro-Organisms

MCQ▾

Question

Baker’s yeast is added to aquarium because it

Choices

Choice (4) Response

a.

absorb oxygen form it

b.

provides oxygen

c.

absorb nutrients

d.

provides minerals and metals

Question number: 3

» Biology » Micro-Organisms

MCQ▾

Question

Mycoplasma is not affected by penicillin as it lack

Choices

Choice (4) Response

a.

Ribosomes

b.

Plasma membrane

c.

Sexual reproduction

d.

Cell wall

Question number: 4

» Biology » Micro-Organisms

MCQ▾

Question

Viral genome, incorporated and integrated with bacterial genome is referred to as

Choices

Choice (4) Response

a.

prophage

b.

RNA

c.

DNA

d.

Both a. and c. are correct

Question number: 5

» Biology » Micro-Organisms

MCQ▾

Question

Sebaceous glands are found in

Choices

Choice (4) Response

a.

Dermis of skin of mammals

b.

Epidermis of skin mammals

c.

Epithelium of stomach of frog

d.

Epithelium of intestine of frog

Question number: 6

» Biology » Micro-Organisms

MCQ▾

Question

Barley is ground to powder. The powder is mixed with water and some yeast. The mixture is kept in a closed and moist container. Which of the following will be produced?

Choices

Choice (4) Response

a.

Ethyl alcohol and carbon dioxide

b.

Alcohol only

c.

Sodium bicarbonate

d.

Carbon dioxide only

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