These Cell The Unit Of Life MCQ For NEET are most important for your upcoming competitive examinations including NEET, AIIMS are other board exams of Class-8, Class-9, Class-10, Class-11, and Class-12.
Cell The Unit Of Life MCQ For NEET
1. Fructose is a _____________
a) aldose sugar
b) ketose sugar
c) monosaccharide
d) polymer
Answer: b
2. The compounds which have same chemical reactivity but structures which are mirror images of each other are known as ____________
a) isoforms
b) allotropes
c) enantiomers
d) isomers
Answer: c
3. Which of the following conventions is used to denote the presence of carbonyl group in left/right in the chemical structure of a carbohydrate?
a) Positive/ negative
b) -1/ +1
c) L/ R
d) L/ D
Answer: d
4. Which types of bonds are found in sugars?
a) amide
b) acidic
c) glycosidic
d) non-covalent
Answer: c
5. Sucrose and lactose are _____________
a) monosaccharides
b) disaccharides
c) pentoses
d) polyssaccharides
Answer: b
6. Enzyme lactase is found in ______________
a) nucleus
b) ribosome
c) plasma membrane
d) golgi complex
Answer: c
7. Which type of carbohydrates lead to the formation of glycolipids and glycoproteins?
a) Oligosaccharides
b) Monosaccharides
c) Glycogen
d) Glucose
Answer: a
8. Which of the following polysaccharide is not entirely composed of glucose subunits?
a) Lactose
b) Starch
c) Glycogen
d) Cellulose
Answer: a
9. Lipids cannot dissolve in _____________
a) organic solvents
b) chloroform
c) benzene
d) water
Answer: d
10. Which types of bonds are found in fats?
a) amide
b) glycosidic
c) ester
d) acidic
Answer: c
11. How many carboxyl groups are present in fatty acids?
a) 1
b) 2
c) 3
d) 4
Answer: a
12. Which type of bonds present in vegetable fats account for their liquid state?
a) Single bonds
b) Double bonds
c) Amide bonds
d) Glycosidic bonds
Answer: b
13. Margarine is formed using unsaturated vegetable fats by _________________
a) oxidation
b) catalysis
c) hydrogenation
d) leaching
Answer: c
14. In most animals, fats are stored in special cells called _____________
a) telomeres
b) granulocytes
c) lymphoid cells
d) adipocytes
Answer: d
15. Which of the following steroids is a precursor of hormones such as testosterone, progesterone and estrogen?
a) Collagen
b) Glycogen
c) Cholesterol
d) Glycerol
Answer: c
16. What is the major difference between a fat (triacylglycerol) and a phospholipid (diacylglycerol)?
a) Glycerol conformation
b) Hydrogen bonding
c) Fatty acid chain
d) Solubility
Answer: c
17. In an amino acid, the carboxyl group and amino group are separated from each other by a single ____________ atom.
a) nitrogen
b) sulphur
c) hydrogen
d) carbon
Answer: d
18. Amino acids used in the synthesis of proteins on a ribosome are ________________
a) D-amino acids
b) Mutated amino acids
c) L-amino acids
d) Fluorescing amino acids
Answer: c
19. What protein makes up spider silk?
a) Keratin
b) Fibrin
c) Collagen
d) Elastin
Answer: c
20. Which bonds are present in two neighboring amino acids?
a) Glycosidic bonds
b) Polypeptide bonds
c) Amide bonds
d) Hydrogen bonds
Answer: b
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