NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1969 - 1973 of 2000

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Question number: 1969

» Biology » Improvement in Food Resources

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the following.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Abscisic acid

(i)

Plant growth regulator

(B)

Gibberelin

(ii)

Suspension culture for plant propogation

(C)

Azotobacter

(iii)

Nitrogen fixing bactria

(D)

2,4-dichlorophenoxyacetic acid

(iv)

Seed germination

Choices

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

a.

  • (i)
  • (iv)
  • (iii)
  • (ii)

b.

  • (ii)
  • (iii)
  • (iv)
  • (i)

c.

  • (iv)
  • (ii)
  • (iii)
  • (i)

d.

  • (i)
  • (iii)
  • (ii)
  • (iv)

Question number: 1970

» Biology » Improvement in Food Resources

Edit
MCQ▾

Question

Organic farming is the farming that utilizes

Choices

Choice (4) Response

a.

Organic manure

b.

Chemicals

c.

Biofertilizers

d.

Both a. and c. are correct

Question number: 1971

» Chemistry » The Nature of Matter

Edit
MCQ▾

Question

When charge in removed, the particles will come nearer to each other and thus aggregates and settle down under the force of gravity?

Choices

Choice (4) Response

a.

Precipitation

b.

Coagulation

c.

Both a. and b. are correct

d.

None of the above

Question number: 1972

» Chemistry » Structure of the Atom

Edit
MCQ▾

Question

What is the formula to find maximum number of electrons in the main shell of an atom?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1973

» Chemistry » Atoms & Molecules

Edit
MCQ▾

Question

“In a chemical reaction, the sum of the mass of reactants and product remains constant” This statement known as?

Choices

Choice (4) Response

a.

Law of multiple proportion

b.

Law of definite proportion

c.

Law of conservation of mass

d.

None of the above

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