NSO Level 1- Science Olympiad (SOF) Class 10: Questions 435 - 438 of 986

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Question number: 435

» Reproduction in Organisms

Edit
MCQ▾

Question

A unicellular organism is a living thing that is

Choices

Choice (4) Response

a.

One Cell

b.

Two Cell

c.

Three Cell

d.

Four Cell

Question number: 436

» Life Processes

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the phytohormones of column I with role played by them in column II and select the correct option from the codes given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Cytokinin

(i)

Increases resistance of plants to cold, drought, water logging and other adverse environmental conditions

(B)

Abscisic acid

(ii)

Promotes falling of leaves, flowers and fruits in plants

(C)

Ethylene

(iii)

Promotes cell division and cell elongation in plants

(D)

Auxins

(iv)

Promotes elongation of cells of shoots

Choices

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

a.

  • (i)
  • (ii)
  • (iii)
  • (iv)

b.

  • (iii)
  • (i)
  • (ii)
  • (iv)

c.

  • (i)
  • (ii)
  • (iv)
  • (iii)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

Question number: 437

» Electricity

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MCQ▾

Question

Two resistors are connected first in series and then in parallel. What effect will it have on the readings of voltmeter and ammeter?

Choices

Choice (4) Response

a.

No change in any meter

b.

More reading in voltmeter but less in ammeter

c.

Less reading in voltmeter but More in ammeter

d.

No change voltmeter but less in ammeter

Question number: 438

» Carbon and Its Componds

Edit
MCQ▾

Question

Mark the wrong statement.

Choices

Choice (4) Response

a.

Carbon dioxide is used in solid as well as in liquid form

b.

Carbon dioxide used to neutralize alkaline water

c.

Carbon dioxide gas is used to carbonate soft drinks

d.

None of the above

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