Which of the following is not a primary color?
- (A) Blue
- (B) Green
- (C) Red
- (D) Black
- (D) Black
Sound travels fastest through which medium?
- (A) Vacuum
- (B) Air
- (C) Steel
- (D) Water
- (C) Steel
What is the chemical name of Vitamin C?
- (A) Citric acid
- (B) Ascorbic acid
- (C) Oxalic acid
- (D) Nitric acid
- (B) Ascorbic acid
The number of bones in the human body of an adult is:
- (A) 210
- (B) 250
- (C) 206
- (D) 300
- (C) 206
Which of the following is not a mammal?
- (A) Fish
- (B) Cow
- (C) Goat
- (D) Whale
- (A) Fish
Food is cooked quickly in a pressure cooker because:
- (A) Boiling point of water is decreased
- (B) Boiling point of water is increased
- (C) It absorbs heat quickly
- (D) It retains heat for a long duration
- (B) Boiling point of water is increased
Total volume of blood in a normal human being is:
- (A) 5-6 liters
- (B) 3-4 liters
- (C) 8-10 liters
- (D) 10-12 liters
- (A) 5-6 liters
Alexander Fleming discovered _______ in 1928.
- (A) Penicillin
- (B) X-Ray
- (C) Telephone
- (D) Streptomycene
- (A) Penicillin
The strongest muscle in the human body found in:
- (A) Hands
- (B) Buttocks
- (C) Neck
- (D) Legs
- (B) Buttocks
The human cell contains _______ chromosomes.
- (A) 44
- (B) 46
- (C) 48
- (D) 23
- (B) 46