NSO Level 1- Science Olympiad (SOF) Class 10: Questions 723 - 728 of 986

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Question number: 723

» Acids, Bases and Salts

Edit
MCQ▾

Question

Which one is the correct forDilute Ethanoic Acid was placed on a strip of pH paper. The colour of the strip

Choices

Choice (4) Response

a.

Turned Green

b.

Turned Orange

c.

Turned Red

d.

Turned Blue

Question number: 724

» Light - Reflection and Refraction

Edit
MCQ▾

Question

The angle between an incident ray and the normal is known as

Choices

Choice (4) Response

a.

Critical angle

b.

Angle of refraction

c.

Atmospheric refraction

d.

All of the above

Question number: 725

» Metals and Non - Metals

Edit
MCQ▾

Question

Which statement is correct about ore?

Choices

Choice (4) Response

a.

Due to both phenomenon

b.

Mineral that contains high percentage of metal that can be extracted profitably from it.

c.

The elements or compounds, which occur naturally in the earth’s crust.

d.

None of the above

Question number: 726

» Our Environment and Its Management

Edit
MCQ▾

Question

Which of the statement is incorrect?

Choices

Choice (4) Response

a.

Plants convert solar energy into chemical energy

b.

All green plants and blue-green algae are producers

c.

Producers prepare their own food from inorganic compounds

d.

Green plants get their food from organic compounds

Question number: 727

» Our Environment and Its Management

Edit
MCQ▾

Question

Which is not likely to be an adaption to a diet of consuming primary producers?

Choices

Choice (4) Response

a.

Symbiotic gut bacteria

b.

Filtering systems

c.

Dental pads

d.

Sharp teeth

Question number: 728

» Carbon and Its Componds

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the column and mark the correct option from the code given below.

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Methane

(i)

(B)

Propane

(ii)

(C)

Pentane

(iii)

(D)

Butane

(iv)

Choices

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

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (i)
  • (iv)
  • (ii)
  • (iii)