NSO Level 1- Science Olympiad (SOF) Class 10: Questions 526 - 531 of 986

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Question number: 526

» Electricity

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MCQ▾

Question

An electric refrigerator rated operates . What is the cost of the energy to operate it for at

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 527

» Periodic Classification of Elements

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MCQ▾

Question

Which one is incorrect?

(i) For atomic size in a group atomic size decreases from top to bottom due to increase in number of shells.

(ii) For Metallic and non-metallic in a group metallic character increases from top to bottom while non-metallic character decrease.

(iii) Electronegativity decreasing trend along a period.

Choices

Choice (4) Response

a.

Only (i), (iii) are correct

b.

Only (i), (ii) are correct

c.

Only (ii), (iii) are correct

d.

(i), (ii), (iii) are correct

Question number: 528

» Life Processes

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MCQ▾

Question

What does ‘X’ represent?

Image shows the lumen

Image Shows the Lumen

Image shows the lumen

Choices

Choice (4) Response

a.

Tight junction

b.

Interneural bridge

c.

Synapse

d.

Gap junction

Question number: 529

» Reproduction in Organisms

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MCQ▾

Question

Female gametophyte is also known as

Choices

Choice (4) Response

a.

Embryo sac

b.

Egg-apparatus

c.

Ovule

d.

Nucellus

Question number: 530

» Periodic Classification of Elements

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MCQ▾

Question

Which of the following sets of atomic number belongs to Alkali earth metals?

Choices

Choice (4) Response

a.

4,20,88,56,12

b.

22,55,63,109

c.

20,125,98,13

d.

73,49,56,25,18

Question number: 531

» Reproduction in Organisms

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MCQ▾

Question

Which plant reproduce vegetative by roots?

Choices

Choice (4) Response

a.

Bryophyllum

b.

Dahlia

c.

Oxalis

d.

Onion

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