- Enter biology
- Exobiology
- Endo biology
- None of these
- b
-
Exobiology was introduced by “Joshua Laderberg”.
Everyday Science MCQs
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Lack of Vitamin D can cause _____
- Bone Problems
- Muscle spasm
- Kidney Mastoor
- None of these
- a
-
Lack of Vitamin A causes Night Blindness.
Lack of Vitamin B causes Beriberi or Anaemia.
Lack of Vitamin C causes Scurvy.
Lack of Vitamin E causes Impaired Reflexes.
اگر کسی شخص کی عمر 100 سال ہے تو اُسے کیاکہا جائے گا؟
- سینٹی نیرین
- کوئنکا جینیرین
- سیکسا جینیرین
- نونا جینیرین
- a
-
اگر کسی شخص کی عمر 50 سال ہے تو اُسے کوئنکا جینیرین کہا جائے گا۔اگر کسی شخص کی عمر 60 سال ہے تو اُسے سیکساجینیرین کہا جائے گا۔اگر کسی شخص کی عمر 70 سال ہے تو اُسے سیپٹاجینیرین کہا جائے گا۔اگر کسی شخص کی عمر 80 سال ہے تو اُسے اوکٹا جینیرین کہا جائے گا۔اگر کسی شخص کی عمر 90 سال ہے تو اُسے نونا جینیرین کہا جائے گا۔اگر کسی شخص کی عمر 100 سال ہے تو اُسے سینٹی نیرین کہا جائے گا۔
Who invented Tractor?
- John Forelich
- Dialmer
- Baron Karl
- None of these
- a
-
John Forelich invented Tractor in 1892.
He was an American.
Bicycle was invented by Baron Karl Von Drais in 1817.
A reaction in which heat energy is absorbed to the system is called:
- 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.
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)