NSO Level 1- Science Olympiad (SOF) Class 10: Questions 788 - 793 of 986

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Question number: 788

» Sources of Energy

Edit
MCQ▾

Question

Crude oil is:

Choices

Choice (4) Response

a.

Odorless

b.

Odorless yellow to black liquid

c.

Colorless

d.

Smelly yellow to black liquid

Question number: 789

» Metals and Non - Metals

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MCQ▾

Question

Most abundant metal on earth crust is:

Choices

Choice (4) Response

a.

Potassium

b.

Sodium

c.

Aluminum

d.

Iron

Question number: 790

» Our Environment and Its Management

Edit
MCQ▾

Question

Water harvesting is a method which

Choices

Choice (4) Response

a.

Decrease ground water level

b.

Not practiced in modern days

c.

Has no relation with ground water

d.

Increase ground water level

Question number: 791

» Acids, Bases and Salts

Edit
MCQ▾

Question

The highest ions concentration is one with

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 792

» Sources of Energy

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match column I and column II and select the correct option from the codes given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Solar power plant

(i)

Heat energy converted into electricity

(B)

Hydro Power Plant

(ii)

Mechanical energy is converted to electrical energy

(C)

Thermal Power Plant

(iii)

Potential energy is converted to kinetic energy

(D)

Wind power plant

(iv)

Steam energy converted into electricity

Choices

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

a.

  • (iv)
  • (iii)
  • (i)
  • (ii)

b.

  • (ii)
  • (i)
  • (iii)
  • (iv)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

Question number: 793

» Our Environment and Its Management

Edit
MCQ▾

Question

The figure shows the different trophic level of the food chain in a grassland ecosystem.

Which of the given organisms belong to second trophic level?

Image of different trophic level of the food chain

Image of Different Trophic Level of the Food Chain

The figure shows the different trophic level of the food chain

Image of different trophic level of the food chain (i)

Image of Different Trophic Level of the Food Chain (I)

The figure shows the different trophic level of the food chain (i)

Image of different trophic level of the food chain (ii)

Image of Different Trophic Level of the Food Chain (Ii)

The figure shows the different trophic level of the food chain (ii)

Choices

Choice (4) Response

a.

(ii), (iv) and (vi)

b.

(i), (iii) and (vi)

c.

(i), (ii) and (vi)

d.

All of the above