NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1931 - 1935 of 2000

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Question number: 1931

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is the size of a colloidal particle?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1932

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which one of the following is used to separate drugs from blood?

Choices

Choice (4)Response

a.

Distillation

b.

Separating funnel

c.

Chromatography

d.

Sublimation

Question number: 1933

» Chemistry » The Nature of Matter

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MCQ▾

Question

Fog is commonly seen in winter season. It is a colloidal solution of?

Choices

Choice (4)Response

a.

Liquid particles dispersed in gas

b.

Solid particles dispersed in liquid

c.

Gaseous particles dispersed in liquid

d.

Solid particles dispersed in gas

Question number: 1934

» Chemistry » Structure of the Atom

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MCQ▾

Question

What does the valency ‘say’ about?

Choices

Choice (4)Response

a.

The combining capacity of an element

b.

The atomicity of an element

c.

The oxidation number of an element

d.

Question does not provide sufficient data or is vague

Question number: 1935

» Biology » Improvement in Food Resources

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Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Agar-agar gel

(i)

Production of alcohol

(B)

Fermentation

(ii)

Undifferentiated mass of cells

(C)

Horticulture

(iii)

Used to grow callus

(D)

Callus

(iv)

Recreational values

Choices

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

a.

  • (iv)
  • (i)
  • (ii)
  • (iii)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (ii)
  • (iv)
  • (iii)
  • (i)

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