The law of reflection was first described by:
- (A) Ibn-ul-Haithem
- (B) Bu Ali Sina
- (C) Abu Rehan Al-Beruni
- (D) Jabir Bin Hayyan
- (A) Ibn-ul-Haithem
If we eat too much contaminated food, stomach forces us:
- (A) To egest
- (B) To digest
- (C) To vomit
- (D) To agitate
- (C) To vomit
The part of a plant that forms seeds is the:
- (A) Leaf
- (B) Stem
- (C) Flower
- (D) Root
- (C) Flower
The mass of proton is _______ greater than that of electron.
- (A) 1537 times
- (B) 1637 times
- (C) 1737 times
- (D) 1837 times
- (D) 1837 times
The colors produced by mixing of two primary colors are called:
- (A) Primary colors
- (B) Primary pigments
- (C) Secondary colors
- (D) Secondary pigments
- (C) Secondary colors
Which of the following is a body builder?
- (A) Proteins
- (B) Fats
- (C) Carbohydrates
- (D) None of these
- (A) Proteins
Who discovered that sunlight consists of a mixture of seven colors?
- (A) Newton
- (B) Galileo
- (C) Einstein
- (D) None of these
- (A) Newton
A fan converts electrical energy into _______ energy.
- (A) Light
- (B) Mechanical
- (C) Sound
- (D) None of these
- (B) Mechanical
How many chromosomes are present in monkey cell?
- (A) 42
- (B) 44
- (C) 46
- (D) 48
- (D) 48
The “World Cancer Day” is observed on:
- (A) 4th January
- (B) 4th February
- (C) 4th March
- (D) None of these
- (B) 4th February