Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 69 - 75 of 136

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Question number: 69

» Biology » Some Common Diseases

MCQ▾

Question

Consider the following statements

I. AIDS II. Cirrhosis

III. Hepatitis B IV. Syphilis

Which of the above diseases is/are transmitted from one person to another?

Choices

Choice (4) Response

a.

I and III

b.

II, III and IV

c.

I, III and IV

d.

None of the above

Question number: 70

» Biology » Human Body

MCQ▾

Question

The region, where the nerve endings of one neuron come into contact with another neuron is called as

Choices

Choice (4) Response

a.

receptor

b.

synapse

c.

effector

d.

cyton

Question number: 71

» Biology » Our Environment

MCQ▾

Question

What is the name given to a species that can be used to tell something about the environment (e . g. , how much pollution there is in water)?

Choices

Choice (4) Response

a.

Indicator

b.

Bacteria

c.

Pigment

d.

Chemical

Question number: 72

» Biology » Human Body

MCQ▾

Question

All carbohydrates contain carbon, hydrogen and oxygen. All proteins contain carbon, hydrogen, oxygen and what other element?

Choices

Choice (4) Response

a.

Sulphur

b.

Fluorine

c.

Chlorine

d.

Nitrogen

Question number: 73

» Biology » Our Environment

MCQ▾

Question

Photochemical smog occurs in

Choices

Choice (4) Response

a.

warm and humid climate

b.

cool dry and sunny climate

c.

cool and humid climate

d.

warm, dry and sunny climate

Question number: 74

» Biology » Human Body

MCQ▾

Question

Human stomach produces acid ‘X’ which helps in digestion of food. Acid ‘X’ is

Choices

Choice (4) Response

a.

citric acid

b.

mechanic acid

c.

hydrochloric acid

d.

acetic acid

Question number: 75

» Biology » Soil

MCQ▾

Question

Certain bacteria living in the soil poor in oxygen convert nitrates into nitrites and then to free nitrogen and such bacteria are termed as

Choices

Choice (4) Response

a.

denitrifying bacteria

b.

nitrogen fixing bacteria

c.

saprophytic bacteria

d.

ammonifying bacteria

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