- Rains
- Reigns
- Reins
- Ranes
- c
-
گھوڑے والے نے گھوڑے کی لگام کھینچ لی۔
Admin
She felt …..when went to stage.
- Worried
- Anxious
- Agitated
- Nervous
- d
-
جب وہ اسٹیج پر گیا تو اسے گھبراہٹ کا احساس ہوا۔
Common salt is also called:
- Sodium Chloride
- Ammonia Acid
- Sodium Potassium
- None of these
- a
-
NaCl is the Chemical Formula of Sodium Chloride.
Which of the following protects our body against disease?
- Sugar
- Platelets
- Red Blood Cells
- White Blood Cells
- d
-
WBC’s make more healthy and strong human immune system.
Which of the following is a man made material?
- Plastic
- Copper
- Granite
- None of these
- a
-
In 1862, Alexander Parkes introduced the world's first- ever man-made plastic,
Sunlight falling on our skin causes it to produce:
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
- d
-
Beef Liver, Cheese, Egg Folks, Fishes are best sources of Vitamin D.
The humidity in the air tells us about the ratio ….in the air.
- Oxygen
- Water Vapors
- Carbon Dioxide
- None of these
- b
-
The instrument that is used to measure humidity in air is called Hygrometer.
Hygrometer was invented by Leonardo De Vinci in 1400s.
Which poisonous gas is produced when coal is burnt without enough air supply?
- Carbon Monoxide
- Nitrogen
- Hydrogen
- Ammonia
- a
-
The chemical formula of Carbon Monoxide is CO.
Ozone layer protects life on earth from:
- Greenhouse Gases
- Ultraviolet Rays
- CFCs
- Carbon Dioxide
- b
-
The Chemical Formula of Ozone is O3.
It is difficult to cook on mountains because of:
- Lack of Oxygen
- Low temperature
- Low atmospheric pressure
- High atmospheric pressure
- c