NSO Level 1- Science Olympiad (SOF) Class 10: Questions 253 - 258 of 986

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Question number: 253

» Electricity

Edit
MCQ▾

Question

In the given circuit, the voltmeter records . The resistance of the voltmeter in ohms is

The resistance of the voltmeter

The Resistance of the Voltmeter

The resistance of the voltmeter

Choices

Choice (4) Response

a.

10

b.

200

c.

100

d.

50

Question number: 254

» Periodic Classification of Elements

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the columns and mark the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Barium

(i)

Alkaline earth metals

(B)

Sodium

(ii)

Chalcogens

(C)

Iodine

(iii)

Halogen

(D)

Tellurium

(iv)

Alkali metals

Choices

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

a.

  • (iii)
  • (ii)
  • (iv)
  • (i)

b.

  • (i)
  • (iv)
  • (iii)
  • (ii)

c.

  • (iv)
  • (iii)
  • (i)
  • (ii)

d.

  • (iv)
  • (i)
  • (ii)
  • (iii)

Question number: 255

» Life Processes

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MCQ▾

Question

Which is the not correct for, the main organs of the respiratory system are

Choices

Choice (4) Response

a.

Bronchi

b.

Nasal cavity

c.

Larynx

d.

All a. , b. and c. are correct

Question number: 256

» Reproduction in Organisms

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MCQ▾

Question

Which of the following is correct example of Vegetative propagation by leaf?

Choices

Choice (4) Response

a.

Bryophyllum

b.

Dalbergia sissoo

c.

Ginger

d.

Murraya

Question number: 257

» Human Eye and Colourful World

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MCQ▾

Question

Rainbow is shaped similar to an arc because of

Choices

Choice (4) Response

a.

Reflection of eye

b.

Because of air

c.

Formed by the dispersion of white light by spherical water droplets

d.

Question does not provide sufficient data or is vague

Question number: 258

» Reproduction in Organisms

Edit
MCQ▾

Question

Which is the following is the characterise of insect pollinated flowers?

Choices

Choice (4) Response

a.

Small dull coloured petals

b.

Large, brightly coloured petals - to attract insects

c.

Stigma feathery or net like - to catch the drifting pollen

d.

Not nectar - not need to attract insects