(A) Nitrogen + Hydrogen
(B) Nitrogen + Carbon
(C) Nitrogen + Oxygen
(D) Oxygen + Carbon
Q. What is the chemical name of laughing gas?
(A) Nitrous oxide
(B) Nitric oxide
(C) Nitrogen dioxide
(D) None of these
Q. Nitrous oxide (laughing gas) has significant medical uses, especially in:
(A) Surgery
(B) Dentistry
(C) Both A & B
(D) None of these
Answers:
1. (C) Nitrogen + Oxygen
2. (A) Nitrous oxide
3. (C) Both A & B
(A) Strongly attracted by a magnet
(B) Not attracted by a magnet
(C) Not a magnet
(D) Weakly attracted by a magnet
Q. Cobalt is a chemical element with the symbol Co, it’s atomic number is:
(A) 17
(B) 27
(C) 37
(D) 47
Q. Cobalt is the active center of a group of coenzymes called:
(A) Cobaltimins
(B) Cobalium
(C) Cobalamins
(D) None of these
Answers:
1. (A) Strongly attracted by a magnet
2. (B) 27
3. (C) Cobalamins
(A) Hermaphroditism
(B) Fission
(C) Fragmentation
(D) Budding
Q. Which of the following is a form of asexual reproduction?
(A) Hermaphroditism
(B) Allogamy
(C) Autogamy
(D) Fission
Q. Each human cell contains _______ chromosomes.
(A) 36
(B) 46
(C) 56
(D) 66
Answers:
1. (A) Hermaphroditism
2. (D) Fission
3. (B) 46
(A) Protein
(B) Vitamin C
(C) Zinc
(D) Monosaccharide
Q. The simplest form of sugar and the most basic unit of carbohydrates, also known as simple sugar:
(A) Monosaccharides
(B) Chlorine
(C) Fluoride
(D) None of these
Q. The most important monosaccharide, glucose is a:
(A) Tetrose
(B) Pentose
(C) Hexose
(D) Heptosell
Answers:
1. (D) Monosaccharide
2. (A) Monosaccharides
3. (C) Hexose
(A) Stomach
(B) Liver
(C) Small Intestine
(D) Large Intestine
Q. The small Intestine is divided into _______ structural parts.
(A) three
(B) four
(C) five
(D) six
Q. What is the name of midsection of the small intestine?
(A) Duodenum
(B) Jejunum
(C) Ileum
(D) None of these
Answers:
1. (C) small intestine
2. (A) three
3. (B) Jejunum