Industrial Revolution started by the invention of:
- (A) Wheel
- (B) Steam engine
- (C) Spinning Jenny
- (D) Aero-plane
- (B) Steam engine
The industrial revolution first took place in:
- (A) USA
- (B) Britain
- (C) Russia
- (D) Japan
- (B) Britain
How many times do hands of clock coincide in a day?
- (A) 11
- (B) 22
- (C) 32
- (D) 42
- (B) 22
Dosimeter is a device used to measure:
- (A) Heat radiation
- (B) Radiation for safety purposes
- (C) High temperature
- (D) Speed of wind or any other gas
- (B) Radiation for safety purposes
“Trachea” is a disease related to the:
- (A) Ear
- (B) Brain
- (C) Nose
- (D) Throat
- (D) Throat
First technology of man on Earth is:
- (A) Use of cloth
- (B) Use of tyres
- (C) Use of fire
- (D) Use of paper
- (C) Use of fire
Jupiter is a ball of:
- (A) Gases
- (B) Ice
- (C) Stones
- (D) Sand
- (A) Gases
Muscular and nervous disorder is due to lack of:
- (A) Vitamin A
- (B) Vitamin C
- (C) Vitamin D
- (D) Vitamin E
- (D) Vitamin E
Which food contains the maximum concentration of protein?
- (A) Bread
- (B) Citrus fruits
- (C) Meat
- (D) Vegetables
- (C) Meat
Organisms encode their genes in long strands of:
- (A) Chromosomes
- (B) RNA
- (C) DNA
- (D) Carbohydrates
- (C) DNA