NEET Biotechnology Questions – Paper 06, Total Questions: 20, Subject: Biology, Topic: Biotechnology, Type: MCQs (Multiple Choice Questions)
| Sr. No. | Questions | Answers |
| 1. | Pomato is somatic (a) Poppy and Potato (b) Potato and tomato (c) Poppy and tamarind (d) Poppy and Tomato |
Answer: (b) |
| 2. | Preserving germplasm in frozen state is (a) Cryopreservation (b) Cold storage (c) In situ preservation (d) Vernalisation |
Answer: (a) |
| 3. | Protein helping in opening of DNA double helix in front of replication fork is (a) DNA gyrase (b) DNA Polymerase I (c) DNA ligase (d) DNA topoisomerase |
Answer: (a) |
| 4. | Pyrimidine base present in RNA in place of thymine of DNA is (a) Uracil (b) Adenine (c) Cytosine (d) Guanine |
Answer: (a) |
| 5. | Restriction endonuclease is employed for cutting (a) A single stranded DNA (b) Double stranded DNA (c) RNA fragment (d) mRNA |
Answer: (b) |
| 6. | Restriction endonucleases are (a) Used in genetic engineering for uniting two DNA molecules (b) Used for in vitro DNA synthesis (c) Present in mammalian cells for degeneration of DNA of dead cells (d) Synthesised by bacteria for their defence |
Answer: (d) |
| 7. | Restriction enzymes are used in genetic engineering because they (a) Can join DNA fragment (b) Cut DNA at specific base sequence (c) Cut DNA at variable sites (d) Are proteolytic enzymes which degrade harmful proteins |
Answer: (b) |
| 8. | Reverse transcriptase is (a) RNA dependent RNA polymerase (b) DNA dependent RNA polymerase (c) DNA dependent DNA polymerase (d) RNA dependent DNA polymerase |
Answer: (d) |
| 9. | RNA contains (a) Hexose (b) Ribose (c) Fructose (d) Glucose |
Answer: (b) |
| 10. | RNA does not possess (a) Uracil (b) Thymine (c) Adenine (d) Cytosine |
Answer: (b) |
| 11. | RNA that picks up specific amino acid from amino acid pool of cytoplasm to carry it to ribosome during protein synthesis is (a) tRNA (b) mRNA (c) rRNA (d) gRNA |
Answer: (a) |
| 12. | Semiconservative DNA / Chromosome replication using 14N was demonstrated by (a) Messelson (b) Tylor (c) Messelson and stahl (d) Hershey and Chase |
Answer: (c) |
| 13. | Similarity between DNA and RNA is that both have (a) Similar sugars (b) Similar mode of replication (c) Similar pyrimidines (d) Polymers of nucleotides |
Answer: (d) |
| 14. | Structure of DNA was given by (a) Kornberg (b) Nirenberg (c) Watson and Crick (d) Holley and Nirenberg |
Answer: (c) |
| 15. | Successive nucleotides are covalently linked through (a) Glycosidic bonds (b) Phosphodiester bonds (c) Hydrogen bonds (d) Nitrogen bonds |
Answer: (b) |
| 16. | Termination of polypeptide chain is brought about by (a) UUG, UAG and UCG (b) UAA, UAG and UGA (c) UUG, UGC and UCA (d) UCG, GCG and ACC |
Answer: (b) |
| 17. | The basic uniot of a nucleic acid is (a) Pentose sugar (b) Nucleoid (c) Nucleoside (d) Nucleotide |
Answer: (d) |
| 18. | The codon for anticodon 3’ UUUA – 5’ is (a) 5’ AAAU- 3’ (b) 5’ UUUA- 3’ (c) 3’ UAAD- 5’ (d) 3’ AUUU- 5’ |
Answer: (a) |
| 19. | The common feature amongst nucleus, chloroplast and mitochondria is (a) Lamellae (b) DNA (c) Cristae (d) All the above |
Answer: (b) |
| 20. | The enzyme taking part in joining two ends of DNA is (a) Ligase (b) Polymerase (c) Gyrase (d) Helicase |
Answer: (a) |