01. Peeling of onions causes tears as onions release
(A) Sulphonic acid
(B) Sulfenic acid
(C) Amino acid
(D) Carbolic acid
02. Green house effect is enhanced in the environment due to
(A) Carbon monoxide
(B) Carbon dioxide
(C) Oxygen
(D) None of the above
03. Which one of the following nutritional elements is not essential for the formation and strengthening of bones and teeth?
(A) Calcium
(B) Phosphorus
(C) Fluorine
(D) Iodine
04. The common name of the chemical compound ‘Cholecalciferol’ is
(A) Bone Calcium
(B) Vitamin D
(C) Vitamin B
(D) Vitamin C
05. Which one of the following polymers is used for making bullet-proof windows ?
(A) Polycarbonates
(B) Polyurethanes
(C) Polystyrene
(D) Polyamides
06. The original name of Changez (Genghis) Khan was
(A) Khasul Khan
(B) Yesugai
(C) Temuchin (Tenurjin)
(D) Ogadi
07. Pheromones are generally produced by
(A) Snakes
(B) Birds
(C) Bats
(D) Insects
08. Which one of the following can provide both power and manures ?
(A) Nuclear plants
(B) Thermal plants
(C) Biogas plants
(D) Hydroelectric plants
09. Oncogenes are associated with
(A) Tuberculosis
(B) Hepatitis
(C) Cancer
(D) Typhoid
10. What was the fissionable material used in the bombs dropped at Nagasaki (Japan) in the year 1945?
(A) Sodium
(B) Potassium
(C) Plutonium
(D) Uranium
Answers will be updated soon....
(A) Sulphonic acid
(B) Sulfenic acid
(C) Amino acid
(D) Carbolic acid
02. Green house effect is enhanced in the environment due to
(A) Carbon monoxide
(B) Carbon dioxide
(C) Oxygen
(D) None of the above
03. Which one of the following nutritional elements is not essential for the formation and strengthening of bones and teeth?
(A) Calcium
(B) Phosphorus
(C) Fluorine
(D) Iodine
04. The common name of the chemical compound ‘Cholecalciferol’ is
(A) Bone Calcium
(B) Vitamin D
(C) Vitamin B
(D) Vitamin C
05. Which one of the following polymers is used for making bullet-proof windows ?
(A) Polycarbonates
(B) Polyurethanes
(C) Polystyrene
(D) Polyamides
06. The original name of Changez (Genghis) Khan was
(A) Khasul Khan
(B) Yesugai
(C) Temuchin (Tenurjin)
(D) Ogadi
07. Pheromones are generally produced by
(A) Snakes
(B) Birds
(C) Bats
(D) Insects
08. Which one of the following can provide both power and manures ?
(A) Nuclear plants
(B) Thermal plants
(C) Biogas plants
(D) Hydroelectric plants
09. Oncogenes are associated with
(A) Tuberculosis
(B) Hepatitis
(C) Cancer
(D) Typhoid
10. What was the fissionable material used in the bombs dropped at Nagasaki (Japan) in the year 1945?
(A) Sodium
(B) Potassium
(C) Plutonium
(D) Uranium
Answers will be updated soon....
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