- Exothermic Reaction
- Endothermic Reaction
- Elimination Reaction
- Thermite Reaction
- b
-
A reaction in which heat energy is released is called Exothermic Reaction.
The removal or leaving of atom or group of atoms of molecule is called Elimination Reaction.
Everyday Science MCQs
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A chemical process which changes vegetable oil into fat is called:
- Combustion
- Hydrogenation
- Hydration
- Neutralization
- b
-
Hydrogenation process converts vegetable oil into solid or semi solid fats at a very high temperature.
In acids, blue litmus paper turns into:
- Yellow
- Red
- Green
- Orange
- b
-
If blue litmus paper placed in base, It will remain same.
If Red litmus paper placed in base, it will changed to Blue.
Which among the following are known as food factories of plants?
- Stems
- Roots
- Leaves
- Roots
- c
-
Plants prepare food for plant through leaves by photosynthesis.
Photosynthesis is a process in which light energy converts into chemical energy.
Which one among the following surfaces gives diffused reflection?
- Polished Metal Surface
- Calm Surface of Lake
- Mirror
- Roadway
- d
-
Diffused Reflection is also called Irregular Reflection.
Reflection from Roadway, Desert Sand and Disturbed Water are called Diffused Reflection. In Short, Reflection from rough or harsh surface is called Diffused Reflection.
Reflection from a smooth surface like a Mirror, Glass or Polished Surface is called Regular Reflection.
Which of the following is the largest ocean on Earth?
- Atlantic Ocean
- Pacific Ocean
- Arctic Ocean
- Indian Ocean
- b
-
The area of Pacific Ocean is 165.2 million square km.
Pacific Ocean occupied one third surface of the earth.
There are 41 countries in the world which are bordered the Pacific Ocean (Five states of US are included)
Cerebellum is a part of the brain which lies in:
- Fore Brain
- Mid Brain
- Hind Brain
- Spinal Cord
- c
-
Cerebellum is also called “Little Brain”.
It is located at the back of the brain.
Hind Brain is lower back part of brain.
Which among the following is not a secondary consumer?
- Lion
- Dog
- Wolf
- Goat
- d
-
Secondary consumers are those consumers who eat Primary consumers for energy.
Goat is a Primary consumer.
Sound travels in the form of waves called:
- Longitudinal Waves
- Transverse Waves
- Electromagnetic Waves
- Radio Waves
- a
The pH scale is a measure of the acidity or alkalinity of a solution, and its ranges between:
- 0-14
- 1-10
- 1-7
- 1-4
- a
-
pH stands for Potential of Hydrogen.
pH of human blood is 7.35 to 7.45.
pH of milk is 6.7 to 6.9.
pH of pure water is 7.