These Cell Biology NEET Questions PDF is 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 Biology NEET Questions PDF
1. Which of the following is untrue?
a) Protein folding occurs in Golgi bodies
b) Protein folding is assisted by a protein molecule called Chaperone
c) Transmembrane or organelle proteins contain a signal peptide
d) Proteins are present in cytoplasm and cell organelles of all cells
Answer: a
2. RNA does not have the nitrogen base of _______
a) Uracil
b) Cytosine
c) Thymine
d) Adenine
Answer: c
3. Which of the following is functionally the odd one out?
a) siRNA
b) miRNA
c) shRNA
d) snRNA
Answer: d
4. Which of the following RNA is artificially made?
a) snRNA
b) scRNA
c) miRNA
d) siRNA
Answer: b
5. In RNA transcription, which of the following is a part of TBP-associated factor (TAF)?
a) TFIID
b) TFIIB
c) TFIIF
d) TFIIH
Answer: a
6. Those part of the DNA or gene that contribute to the mRNA product is called _________
a) Introns
b) Intervening sequences
c) Exons
d) Split genes
Answer: c
7. Which of the following disaccharides have beta (1->4) bond?
a) Maltose and Sucrose
b) Maltose and Isomaltose
c) Lactose and Cellobiose
d) Sucrose and Cellobiose
Answer: c
8. An example of polar but uncharged amino acid is ___________
a) Lysine
b) Aspartate
c) Serine
d) Arginine
Answer: c
9. Example of a polar amino acid is ____________
a) Glutamine
b) Alanine
c) Methionine
d) Valine
Answer: a
10. Reactions that lose heat are termed as _____________
a) endothermic
b) exothermic
c) chemical
d) physical
Answer: b
11. According to laws of thermodynamics, the energy of the Universe is _________ whereas the entropy ______________
a) constant, increases
b) constant, decreases
c) increases, remains constant
d) decreases, remains constant
Answer: a
12. Hydrolysis of ATP is which type of reaction?
a) Physical
b) Mechanical
c) Endergonic
d) Exergonic
Answer: d
13. Which of the following are responsible virtually for every reaction that takes place inside a cell?
a) Carbohydrates
b) ADP
c) Nucleic acids
d) Enzymes
Answer: a
14. Protein catalysts are called __________ and RNA catalysts are called _____________
a) enzymes, ribozymes
b) ribozymes, enzymes
c) enzymes, ribosomes
d) ribosomes, enzymes
Answer: a
15. The non-protein constituents of conjugated proteins are called ___________
a) enzymes
b) cofactors
c) amino acids
d) nucleosides
Answer: b
16. Enzymes have no effect on which of the following, in a chemical reaction?
a) activation energy
b) speed
c) thermodynamics
d) completion time
Answer: c
17. What will happen if heat is applied to an enzyme mediated reaction?
a) Rate will increase
b) pH will increase
c) pH will decrease
d) Denaturation of enzyme
Answer: a
18. Chymotrypsin is a ___________
a) starch
b) polymer
c) buffer
d) enzyme
Answer: d
19. Induced fit in an enzyme refers to ____________________
a) error
b) loop
c) conformational change
d) torsional change
Answer: c
20. Feedback inhibition is cell’s mechanism to _____________ the process of anabolism.
a) activate
b) inhibit
c) increase
d) decrease
Answer: b