Biology-Soil (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 4 of 4

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Question number: 1

» Biology » Soil

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ List-Ⅱ

(A)

Sandy soil

(i)

Lesser amount of humus

(B)

Upper layer of soil

(ii)

Dark in color

(C)

A home for living organism

(iii)

All kind of soil

(D)

Middle layer of the soil

(iv)

Small particles and packed tight

(E)

Clayey soil

(v)

Large particle

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)
  • (E)

a.

  • (v)
  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (iii)
  • (iv)
  • (v)
  • (i)
  • (ii)

c.

  • (iv)
  • (iii)
  • (ii)
  • (v)
  • (i)

d.

  • (iii)
  • (ii)
  • (i)
  • (v)
  • (iv)

Question number: 2

» 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

Question number: 3

» Biology » Soil

MCQ▾

Question

Consider the following statements

I. Soil is composed of particles of broken rock.

II. The best soil for the growth of wheat crop is clayey soil.

III. Loamy soil is most suitable for pulses.

Which of the statement (s) given above is/are correct?

Choices

Choice (4) Response

a.

II and III

b.

I and II

c.

I and III

d.

All a. , b. and c. are correct

Question number: 4

» Biology » Soil

MCQ▾

Question

Due to which of the following reasons ploughing is essential before sowing seed?

Choices

Choice (4) Response

a.

Ventilation

b.

Growth of soil bacteria

c.

Penetration of plant roots

d.

All a. , b. and c. are correct

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