- MgCl2
- MgSO4
- CaSO4
- NaCl
- D
-
سمندر کے کُل پانی کے 3.5 فیصد میں سوڈیم کلورائیڈ شامل ہوتا ہے۔
عام اصطلاح میں سوڈیم کلورائیڈ کو کھانے والی نمک کہا جاتا ہے
Everyday Science MCQs
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What is correct percentage of water in milk?
- 80%
- 87%
- 90%
- 95%
- B
-
Milk consist of six types of components, which are:
Water
Protein
Fat
Carbohydrates
Vitamins
Minerals
The branch of microbiology which deals study of vaccine is called:
- Vaccinology
- Physiology
- Physiology
- None of these
- A
-
Vaccinology studies about vaccine use, effects and development also.
Dr.Edward Jenner is called the father of Vaccinology.
Edward Janner introduced vaccination to prevent smallpox in 1798.
Study of plants and their development is called:
- Botany
- Zoology
- Ami
- None of these
- A
-
The founder of Botany was Theophrastus.
He was a Greek Philosopher.
He is also known as Father of Zoology and Father of Embryology.
Identify the longest day of the year?
- 21 April
- 21 June
- 21 May
- 21 December
- B
-
Smallest day in the world is 22 December.
Which country sent first satellite in the space?
- USA
- China
- Russia
- Japan
- C
-
First Satellite name was Sputnik-1.
It was sent to space on 4 October 1957.
Deficiency of Vitamin D is the cause of:
- 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.
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.