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National Science Day Online Quiz for class 7

Total questions: 60

Worksheet time: 39mins

Name
Class
Date
1.

What instrument is used to see objects in space?

a)

Binocular

b)

Microscope

c)

Telescope

d)

Lens

2.

Plants require which gas to prepare their food?

a)

Carbon dioxide

b)

Oxygen

c)

Helium

d)

Hydrogen

3.

The offspring of horse is called as ____________.

a)

Calf

b)

Tadpole

c)

Foal

d)

Pup

4.

Scientists who study about space are called ____________.

a)

Zoologist

b)

Geologist

c)

Astronomer

d)

Paleontologist

5.

Who is father of science?

a)

Newton

b)

CV Raman

c)

Galileo

d)

Mendel

6.

When is National Science Day celebrated in India every year

a)

January 15

b)

February 28

c)

March 2

d)

April 28

7.

National Science Day is celebrated to commemorate the discovery by?

a)

Homi. J. Bhabha

b)

Vikram Sarabhai

c)

C. V. Raman

d)

Srinivasa Ramanujan

8.

In Which year Sir. C. V. Raman was awarded the Noble Prize?

a)

1930

b)

1935

c)

1940

d)

1945

9.

What is the theme for 2022 National Science Day?

a)

Science for Nation building

b)

Chemistry in daily life

c)

Integrated approach of Science and Technology

d)

Women in science

10.

What was the full name of C. V. Raman

a)

Chintamani Venkateshwara Raman

b)

Chandrasekhar Venkata Raman

c)

Chiranjeevi Vikrama Raman

d)

Chanakya Vishnu Raman

11.

In which Year C.V.Raman was honored with Bharat Ratna by the government of India

a)

1954

b)

1955

c)

1956

d)

1957

12.

The first National Science Day was celebrated in which year

a)

1967

b)

1977

c)

1987

d)

1997

13.

When did C.V.Raman die?

a)

27 May 1964

b)

18 August 1945

c)

17 April 1975

d)

21 November 1970

14.

What is the name of the rover that landed on Mars on 18th February 2021 by NASA.

a)

Curiosity

b)

Perseverance

c)

Vikram

d)

Spirit

15.

Who is considered as the 'founding father' of Indian Space Program?

a)

APJ Abdul Kalam

b)

C.V. Raman

c)

Dr. Vikram A Sarabhai

d)

Homi J Bhabha

16.

Which element is a liquid at ordinary temperature?

a)

Oxygen

b)

Carbon

c)

Mercury

d)

Potassium

17.

Crude oil, natural gas and coal are the examples of

a)

Biofuels

b)

Fossil fuels

c)

Geothermal resources

d)

Renewable resources

18.

Identify the picture.

(a)  

19.

Which form of science dealing with the study of structural and cultural traits of human beings?

(a)  

20.

Which animal never drinks water in its entire life?  

a)

Kangaroo

b)

Hippopotamus

c)

Rat

d)

Kangaroo Rat

21.

(a)   is the longest cell.

22.

There are _____ number of muscles in human.

a)

693

b)

936

c)

639

d)

369

23.

This otherworldly sound is made by which aquatic animal?

a)

Mantee

b)

Beluga Whale

c)

Sea lion

d)

Sea Horse

24.

Where is the world's largest optical telescope located?

a)

New York

b)

Canary Islands

c)

South Africa

d)

Chile

25.

What is the life span of RBC?

a)

100 Days

b)

150 Days

c)

110 Days

d)

120 Days

26.

Hormones are produced by (a)  

27.

Who had performed the world’s first heart transplant?

a)

Dr. Venugopal

b)

Christian Bernard

c)

William Harvey

d)

Dr. Hara Gobind Khorana

28.

Which of the following is not an allotrope of Carbon?

a)

Diamond

b)

Graphite

c)

Fullerene

d)

Glass

29.

Which acid is known 'King of Acids'?

a)

Sulphuric Acid

b)

Hydrochloric Acid

c)

Nitric Acid

d)

Carbonic Acid

30.

Rusting is an (a)   reaction.

31.

Which science is sometimes called ‘central science’?

a)

Physics

b)

Biology

c)

Chemistry

d)

Geology

32.

Chemical formula for water is (a)  

33.

Which phenomenon is heard in the audio?

(a)  

34.

Which SI unit is used to measure time?

a)

Kilogram

b)

Seconds

c)

meter

d)

Newton

35.

Which from the following is a Tap root?

a)
b)
c)
d)

A & C both

36.

Large padded feet

a)
b)
c)
d)
37.

Which from the following is a LUNAR ECLIPSE?

a)
b)
38.

Which of these equations does the diagram support?

a)

Oxygen + Water + Sunlight = Carbon dioxide + Glucose

b)

Glucose + Water + Sunlight = Carbon dioxide + Oxygen

c)

Water + Carbon dioxide + Sunlight = Glucose + Oxygen

d)

Carbon dioxide + Glucose = Sunlight + Water + Oxygen

39.

The animal pictured eats mice by tearing them apart and then consuming them.


Which physical structures allow the bird to do this?

a)

Feathers and bones

b)

Head and teeth

c)

Beak and claws

d)

Wings and tail

40.

Which part of the plant takes in carbon dioxide from the air for photosynthesis?

a)

Root hair

b)

Stomata

c)

Leaf Viens

d)

Petals

41.

Which of the following diseases is not caused by Virus ?

a)

Typhoid

b)

Polio

c)

Chickenbox

d)

Common Cold

42.

Conversion of milk into curd takes place due to

a)

Fungi

b)

Virus

c)

Bacteria

d)

Protozoa

43.

Yarn is made from fibers

a)

True

b)

False

44.
Which state of matter has a definite shape?
a)
Gas
b)
Solid
c)
Liquid
d)
Plasma
45.
Germination will not happen unless a seed
a)
is dispersed far from the plant that produced it
b)
absorbs water
c)
uses its stored food
d)
grows stamens and a pistil
46.
_________________ are scientists who study plants.
a)
botanists
b)
ecologists
c)
zoologists
d)
chemists
47.
It is a biological community of interacting organisms and their physical environment.
a)
Ecosystem
b)
Biotic System
c)
Abiotic System
d)
None of the choices
48.

Adults have 206 bones but children have _____.

a)

150

b)

200

c)

258

d)

300

49.

The first person to see a live cell with a microscope was ________________ , in 1674.

a)

Bradley Cooper

b)

Albert Einstein

c)

Mr. Harper

d)

Antonie van Leeuwenhoek

50.

What chemical is used to test for starch?

a)

glucose

b)

Benedict

c)

iodine

d)

slime

51.

.

52.

.

53.

Which is a third class lever?

a)

Sea saw

b)

Crowbar

c)

Wheel barrow

d)

Forceps

54.

Which of the following is an alloy?

a)

aluminium

b)

iron

c)

brass

d)

copper

55.

Which habitat has xerophytic vegetation?

a)

xerophytes

b)

mesophytes

c)

hydrophytes

d)

aquatic plants

56.

Which is the smallest planet of the solar system?

a)

Jupitar

b)

Mercury

c)

Earth

d)

Venus

57.

What percent of land in Nepal is cultivable?

a)

21%

b)

29%

c)

12%

d)

24%

58.

The precautions we should take during this pandemic are:

a)

Stay home

b)

Wear Mask while going out

c)

Wash your Hands

d)

All of the above

59.

What is the phase transition where matter goes from solid to liquid?

a)

Freezing

b)

Melting

c)

Sublimation

d)

Evaporation

60.

Which Constellation is shown in the diagram?

(a)  

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