- Night Blindness
- Rickets
- Scurvy
- None of these
- B
-
Deficiency of Vitamin A causes Night Blindness.
Deficiency of Vitamin B causes Beriberi and Anaemia.
Deficiency of Vitamin C causes Scurvy disease.
Everyday Science MCQs
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Who discovered the Hydrochloric Acid?
- Jabir Bin Hayyan
- Al-Razi
- Al-Khawarzmi
- None of these
- A
-
Hydrochloric Acid is also known as Muriatic Acid.
Jibir Bin Hayyan discovered Hydrochloric Acid in 800 AD.
Chemical Formula of Hydrochloric Acid is HCl.
Sulfuric Acid also discovered by Jibir Bin Hayyan.
Chemical Formula of Sulfuric Acid is H2SO4.
What is distance between Earth and Sun?
- 100.25 million Km
- 151.76 million Km
- 125.65 million Km
- None of these
- B
-
The distance between Earth and Moon is 3,84,400 Km.
The distance between Moon and Sun is about 150 million Km.
What is diameter of Earth?
- 13785 Km
- 14575 Km
- 12742 Km
- None of these
- C
-
The radius of Earth is 6371 Km.
The land area of Earth is 148.9 million Km/sq.
How many layers of earth?
- 01
- 02
- 03
- 04
- C
Organisms are chosen for breeding, which have best characteristics; this process known as:
- Mutation
- Selective breeding
- Genetic engineering
- Variation
- B
Growth of a plant is affected by:
- Temperature
- Water and soil
- Temperature, Sunlight and Soil
- Temperature, Sunlight, Water and Soil condition
- D
Is an ancient source of energy?
- The wind
- Winds
- A Wind
- Wind
- D
All those reactions which take place in heat energy are known as:
- Exothermic reactions
- Combustion reactions
- Endothermic reactions
- Incineration reaction
- A
-
Exothermic is a chemical reaction that release energy in form of light and heat.
Burning or Candles, Rusting of Iron, Reaction of Water and Acid, Making of Ice cube, Burning of Sugar are examples of Exothermic Reaction.
The second lens of telescope called eyepiece has the ability to _____
- Store the image formed by the object lens
- Reduce the size of the image formed by the object lens
- Blur the image formed by the objective lens
- Magnifies the image formed by the objective lens
- D