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Everyday Science
Which gas do plants absorb during photosynthesis?
A
Oxygen
B
Nitrogen
C
Nitrogen
D
Carbon dioxide
Correct Answer
D
Everyday Science
Which is the fastest land animal?
A
Lion
B
Tiger
C
Cheetah
D
Leopard
Correct Answer
C
Everyday Science
The SI unit of energy is:
A
Watt
B
Neutron
C
Joule
D
Pascal
Correct Answer
C
Everyday Science
The nearest star to Earth is:
A
Sirius
B
Alpha Centauri
C
Sun
D
Polaris
Correct Answer
C
Everyday Science
The unit of electric current is:
A
Ampere
B
Volt
C
Ohm
D
Watt
Correct Answer
A
Everyday Science
The human heart has:
A
2 chambers
B
3 chambers
C
4 chambers
D
6 chambers
Correct Answer
C
Everyday Science
Which vitamin helps in blood clotting
A
Vitamin A
B
Vitamin D
C
Vitamin E
D
Vitamin K
Correct Answer
D
Everyday Science
The hardest natural substance is
A
Iron
B
Gold
C
Diamond
D
Copper
Correct Answer
C
Everyday Science
The speed of light is approximately:
A
300,000 km/s
B
30,000 km/s
C
3,000 km/s
D
150,000 km/s
Correct Answer
A
Everyday Science
Which gas is essential for respiration?
A
Nitrogen
B
Oxygen
C
Carbon dioxide
D
Helium
Correct Answer
B