NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1919 - 1925 of 2000

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Question number: 1919

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which of the following complex ions is not a divalent ion?

Choices

Choice (4) Response

a.

Sulphate

b.

Nitrate

c.

Carbonate

d.

Sulphite

Question number: 1920

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Calculate the mass of molecule of sulphuric acid

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1921

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which type of molecules from micelles?

Choices

Choice (4) Response

a.

Any of these

b.

Surfactant molecules

c.

Polar molecules

d.

Non-polar molecules

Question number: 1922

» Chemistry » Structure of the Atom

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MCQ▾

Question

Identify the element which has 1 proton zero electrons and Zero neutrons?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1923

» 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)

Ethylene

(i)

Crown gall disease in plants

(B)

Rhizobium

(ii)

First transgenic plant

(C)

Tobacco

(iii)

Nitrogen fixing bacteria

(D)

Agrobacterium

(iv)

Fruit ripening

Choices

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

a.

  • (iv)
  • (iii)
  • (ii)
  • (i)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (ii)
  • (iii)
  • (iv)
  • (i)

Question number: 1924

» Chemistry » The Nature of Matter

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MCQ▾

Question

Select one from following which is not a compound?

Choices

Choice (4) Response

a.

Common salt

b.

Sugar

c.

Plaster of Paris

d.

Diamond

Question number: 1925

» Chemistry » Matter

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MCQ▾

Question

The liquid ________, when the vapour pressure of a liquid in equal to atmospheric pressure.

Choices

Choice (4) Response

a.

Freezer

b.

Evaporates

c.

Both a. and b. are correct

d.

None of the above

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