Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 6 of 136

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Question number: 1

» Biology » Some Common Diseases

MCQ▾

Question

Mycobacterium causes leprosy, Corynebacterium diphtheria causes diphtheria and vibrio comma causes

Choices

Choice (4) Response

a.

influenza

b.

cholera

c.

tetanus

d.

None of the above

Question number: 2

» Biology » Cellular Level of Organisation

MCQ▾

Question

Pine, fir, spruce, cedar, larch and cypress are the famous timber yielding plants of which several also occur widely in the hilly regions of India. All these belong to

Choices

Choice (4) Response

a.

gymnosperms

b.

dicotyledons

c.

angiosperms

d.

monocotyledons

Question number: 3

» Biology » Human Body

MCQ▾

Question

Our skin, when exposed to excess sunlight, become dark. This is because our skin pigments called

Choices

Choice (4) Response

a.

flavoxanthin

b.

xanthophyll

c.

carotene

d.

melanin

Question number: 4

» Biology » Plant and Animal Nutrition

MCQ▾

Question

The first transgenic plants expressing engineered foreign genes were tobacco plants produced by the use of

Choices

Choice (4) Response

a.

Arabidopsis thaliana

b.

Bacillus thuringiensis

c.

Agrobacterium tumefaciens

d.

Streptomyces hygroscopicus

Question number: 5

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Most fish do not sink in water because of the presence of

Choices

Choice (4) Response

a.

Air in spongy bones

b.

Air sacs

c.

Swim bladder

d.

Question does not provide sufficient data or is vague

Question number: 6

» Biology » Cellular Level of Organisation

MCQ▾

Question

Movement of cell against concentration gradient is called

Choices

Choice (4) Response

a.

osmosis

b.

passive transport

c.

active transport

d.

diffusion

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