NSO Level 1- Science Olympiad (SOF) Class 10: Questions 907 - 911 of 986

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Question 907

Question

MCQ▾

For convex lens, when the object is in between the image formed is

Choices

Choice (4)Response

a.

Beyond

b.

Real and inverted

c.

Larger than object

d.

All a., b. and c. are correct

Question 908

Question

MCQ▾

Sharing of three pairs of electrons forms

Choices

Choice (4)Response

a.

Triple Bond

b.

Singlet bond

c.

Double bond

d.

Question does not provide sufficient data or is vague

Question 909

Question

MCQ▾

Consider the following table:

Table of the Reactivity of Metal

From the above data, the decreasing order of reactivity of metal is

Choices

Choice (4)Response

a.

Al > Cu > Zn

b.

Al > Zn > Cu

c.

Cu > Zn > Al

d.

All of the above

Question 910

Question

MCQ▾

Which is incorrect factor, on which the strength of induced current depends?

Choices

Choice (4)Response

a.

Magnetic field

b.

Resistivity of wire of coil

c.

Number of turns in the coil

d.

Relative motion

Question 911

Question

MCQ▾

Which of the following statement is/are true for food chain?

(i) Primary consumers are also called herbivores animals who eat producers or plants

(ii) They use energy from the sunlight for converting carbon dioxide into simple glucose, which is easily broken down to produce energy

(iii) Fish, zooplankton, snails, sea urchins, krill are few marine primary consumers

Choices

Choice (4)Response

a.

All statements are correct

b.

(i) and (ii)

c.

(ii) and (iii)

d.

(i) and (iii)

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