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General Science

Physics, Chemistry, Biology and more

74 Q 8 Topics Take Test
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Difficulty: All Easy Medium Hard 61–70 of 74
Topics in General Science
Q.61 Easy Chemistry
Hardest natural substance?
A Gold
B Iron
C Diamond
D Quartz
Correct Answer:  C. Diamond
EXPLANATION

Diamond = 10 on Mohs scale.

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Q.62 Easy Disease & Health
Vitamin C deficiency causes?
A Rickets
B Scurvy
C Night blindness
D Beriberi
Correct Answer:  B. Scurvy
EXPLANATION

Scurvy from Vitamin C deficiency.

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Q.63 Easy Space & Astronomy
Planet closest to Sun?
A Venus
B Mercury
C Earth
D Mars
Correct Answer:  B. Mercury
EXPLANATION

Mercury is closest to Sun.

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Q.64 Easy Chemistry
Liquid to gas process?
A Condensation
B Precipitation
C Evaporation
D Sublimation
Correct Answer:  C. Evaporation
EXPLANATION

Evaporation = liquid to gas.

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Q.65 Easy Biology
DNA stands for?
A Deoxyribose Nucleic Acid
B Deoxyribonucleic Acid
C Double Nucleic Acid
D Deoxyribonicotinic Acid
Correct Answer:  B. Deoxyribonucleic Acid
EXPLANATION

DNA = Deoxyribonucleic Acid.

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Q.66 Easy Physics
Unit of electric current?
A Volt
B Ohm
C Ampere
D Watt
Correct Answer:  C. Ampere
EXPLANATION

Current measured in Amperes.

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Q.67 Easy Disease & Health
Vitamin produced by sunlight?
A Vitamin A
B Vitamin B12
C Vitamin C
D Vitamin D
Correct Answer:  D. Vitamin D
EXPLANATION

Sunlight → Vitamin D synthesis.

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Q.68 Easy Chemistry
Atomic number of Carbon?
A 6
B 8
C 12
D 14
Correct Answer:  A. 6
EXPLANATION

Carbon atomic number = 6.

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Q.69 Easy Botany
Photosynthesis occurs in?
A Root
B Stem
C Leaf
D Flower
Correct Answer:  C. Leaf
EXPLANATION

In chloroplasts of leaves.

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Q.70 Easy Physics
Newton first law also called?
A Law of acceleration
B Law of gravitation
C Law of inertia
D Law of reaction
Correct Answer:  C. Law of inertia
EXPLANATION

First law = Law of Inertia.

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