Objective General Knowledge

Q. The most favoured habitat of a plan is called
1 Ecological niche
2 Ecological type
3 Ecological system
4 Ecological habitat
Ans: 1

Q. The molecules responsible for storing the genetic code are
1 DNA
2 RNA
3 Protein
4 Chromosome
Ans: 2

Q. The metal barium is used in
1 Cheking blood groups
2 Taking x-rays of the alimentary canal
3 Taking x-rays of the brain
4 None of these
Ans: 2

Q. The main difference between the living and nonliving is
1 in the growth
2 in the size
3 in the movement
4 in the presence of protoplasm
Ans: 4

Q. The least toxic of nitrogenous wastes is
1 Urea
2 Creatinine
3 Uric Acid
4 Creatine
Ans: 1

Q. The largest part of most diets are made up of
1 nucleic acid
2 proteins
3 carbohydrates
4 lipids
Ans: 3

Q. The largest organ of the human body is the
1 brain
2 heart
3 skin
4 liver
Ans: 3

Q. The Human cell contains
1 44 chromosomes
2 48 chromosomes
3 46 chromosomes
4 23 chromosomes
Ans: 3

Q. The average heart beat per minute in a normal man is
1 50
2 70
3 80
4 100
Ans: 2

Q. The average heart beat operates on the principle of
1 Diffusion
2 Osmosis
3 Dialysis
4 Active transport
Ans: 3