NSO Level 1- Science Olympiad (SOF) Class 10: Questions 851 - 856 of 986

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Question number: 851

» Sources of Energy

Edit
MCQ▾

Question

Anaerobic respiration occurs in the

Choices

Choice (4) Response

a.

Presence of oxygen

b.

Absence of oxygen

c.

All of the above

d.

None of the above

Question number: 852

» Metals and Non - Metals

Edit
MCQ▾

Question

Most Common iron ores are:

Choices

Choice (4) Response

a.

Malachite

b.

Magnetite

c.

Hematite

d.

Both b. and c. are correct

Question number: 853

» Our Environment and Its Management

Edit
MCQ▾

Question

Which amongst the following is a natural ecosystem?

Choices

Choice (4) Response

a.

Forest

b.

Mangroves

c.

Grassland

d.

All a. , b. and c. are correct

Question number: 854

» Acids, Bases and Salts

Edit
MCQ▾

Question

Three Students were given colorless liquids X, Y and Z of Beer, Cola and a mixture of beer and Cola respectively. After testing liquids with pH paper, colour change for a mixture of Beer and Cola on pH paper is

Choices

Choice (4) Response

a.

Turned Blue

b.

Turned Red

c.

No Changes

d.

Turned Green

Question number: 855

» Metals and Non - Metals

Edit
MCQ▾

Question

Which metal needs electrolysis of molten ore?

Choices

Choice (4) Response

a.

Na

b.

Al

c.

Mg

d.

All a. , b. and c. are correct

Question number: 856

» Light - Reflection and Refraction

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the column I and column II and the select the correct option from the coded given below:

List-Ⅰ (Column I) List-Ⅱ (Column II)

(A)

Plane Mirror

(i)

Always form in front

(B)

Real and inverted

(ii)

Laterally inverted

(C)

Refraction of light

(iii)

Always form behind

(D)

Virtual and erect

(iv)

Refractive Index

Choices

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

a.

  • (ii)
  • (iii)
  • (iv)
  • (i)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (iv)
  • (i)
  • (iii)
  • (ii)