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Brain battle

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

When CES 2024 event held?

a)

Jan 8-11, in Las Vegas

b)

Jan 15-17 in Las Vegas

c)

Jan 9-12,in Las Vegas

d)

Jan 20-23 in Las Vegas

2.

What is the name of the new scheme launched by the Indian government to revive wetlands and mangroves?

a)

Startup India Seed Fund Scheme

b)

Amrit Dharohar

c)

Mission Indradhanush

d)

Pradhan Mantri Awas Yojana

3.

What is the name of the new space telescope launched by NASA?

a)

James Webb Space Telescope

b)

AstroSat

c)
Galileo Space Telescope
d)

Hubble Space Telescope

4.

What is the name of the DNA plasmid based covid 19 vaccine developed by the Indian pharmaceutical company cadila health care?

a)
Pandemrix
b)
Covaxin
c)
Covidshield
d)

ZyCoV-D

5.

What is the name of the new policy launched by the Indian government to promote electric vehicles?

a)
EcoBoost
b)
GreenDrive
c)
EcoMotion
d)
FAME II
6.

Which of the following was to be discovered first in the chromospheres of the sun?

a)
nitrogen
b)
helium
c)
oxygen
d)
carbon
7.

Which organization in India promotes the celebration of National Science Day?

a)
Indian Space Research Organization (ISRO)
b)
Ministry of Environment, Forest and Climate Change
c)
National Institute of Science Communication and Information Resources (NISCAIR)
d)
National Council for Science and Technology Communication (NCSTC)
8.

What is the name of the new conflict that has erupted between India and China in the Ladakh region?

a)
India-China standoff
b)
Ladakh dispute
c)
Galwan Valley clash
d)
Himalayan skirmish
9.

Where is India’s Silicon

Valley located?

a)
Chennai
b)
Mumbai
c)
Bangalore
d)
Delhi
10.

How many Union Territories are there in India?

a)
10
b)
3
c)
8
d)
5
11.

Which of the following is an anti-knocking compound, that has been phased out in many countries so far?

a)
Tetraethyl lead
b)
Lead tetramethyl
c)
Ethyl methyl lead
d)
Methyl ethyl lead
12.

Which among the following would cause the bright red colur due to bursting of crackers?

a)
Strontium compounds
b)
Zinc compounds
c)
Copper compounds
d)
Aluminum compounds
13.

Which among the following is an example of a Chemical Change?

a)

Rusting of iron

b)

Magnetisation of iron

c)

melting of iron

d)

heating of iron

14.

Highest percentage of nitrogen is found in which among the following fertilizers among the given options?

a)
Potassium nitrate
b)
Urea
c)
Triple superphosphate
d)
Ammonium nitrate
15.

Which among the following is the main constituent of Biogas?

a)
Oxygen
b)
Carbon dioxide
c)
Methane
d)
Hydrogen
16.

In a solution of saltwater (a saline solution), salt is the:

a)
solute
b)
solvent
c)
diluent
d)
adulterant
17.

German Silver is an alloy of :

a)

Copper

b)

Iron

c)

aluminum

d)

tin

18.

The acid found in tamarind:

a)
Citric acid
b)
Acetic acid
c)
Lactic acid
d)
Tartaric acid
19.

Identify the scientist?

a)

Neils Bohr

b)

Rutherford

c)

Mendeleev

d)

C V Raman

20.

When 1 litre of water is cooled from 4 degree Celsius to 0 degree Celsius, its volume------

a)
Becomes solid
b)
Remains constant
c)
Decreases
d)
Increases
21.

Which metal is generally used for making electromagnets?

a)
Copper
b)
Iron
c)
Aluminum
d)
Gold
22.

X-rays cannot pass through what?

a)

bone

b)

skin

c)

meat

d)
Glass
23.

What is the minimum distance of clear vision?

a)
15 centimeters or 6 inches
b)
50 centimeters or 20 inches
c)
25 centimeters or 10 inches
d)
30 centimeters or 12 inches
24.

The working principle of a washing machine is

a)

reverse osmosis

b)

diffusion

c)

centrifugation

d)

dialysis

25.

Which of the following is not the unit of time

a)

micro second

b)

parallactic second

c)

leap year

d)

solar day

26.

Rain drops acquire spherical shape due to 

a)
Surface tension
b)
Evaporation
c)
Wind speed
d)
Gravity
27.

Identify the instrument?

a)

voltmeter

b)

potentiometer

c)

ammeter

d)

multimeter

28.

Identify the scientist?

a)
Albert Einstein
b)
Marie Curie
c)
Isaac Newton
d)

Rutherford

29.

Type of mirror used as rear-view mirrors in vehicles?

a)
Flat mirrors
b)
Concave mirrors
c)
Convex mirrors
d)
Magnifying mirrors
30.

SI Unit of frequency?

a)
Newton
b)
Hertz (Hz)
c)
Watt
d)
Joule