NSO Level 1- Science Olympiad (SOF) Class 10: Questions 908 - 911 of 986

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Question number: 908

» Carbon and Its Componds

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MCQ▾

Question

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 number: 909

» Chemical Reactions and Equation

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MCQ▾

Question

Consider the following table:

Table of the reactivity of metal

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 number: 910

» Magnetic Effects of Electric Current

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MCQ▾

Question

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 number: 911

» Our Environment and Its Management

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MCQ▾

Question

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)