MPTET Biology Exam – April 15, 2025
Question 1: Which of the following is a human-made hybrid cereal crop?
- A. Raphanobrassica
- B. Triticale
- C. Pomato
- D. None of the above
Correct Answer: B. Triticale
-
Question 2: Mutation induced by mutagenic agents is called:
- A. Spontaneous mutation
- B. Chemical mutation
- C. Induced mutation
- D. Chromosomal mutation
Correct Answer: C. Induced mutation
-
Question 3: In which plant was sex-linked inheritance of sex chromosomes discovered?
- A. Remex
- B. Spherocephalus
- C. Melandrium
- D. Coccinia
Correct Answer: C. Melandrium
-
Question 4: Which of the following is known as the 'biological scissors'?
- A. Enzyme
- B. Restriction endonuclease
- C. Restriction exonuclease
- D. Restriction DNAase
Correct Answer: B. Restriction endonuclease
-
Question 5: In Northern blotting, RNase is separated by gel electrophoresis, and RNA bands are transferred to a membrane. Which of the following is used for this transfer?
- A. Diethylaminoethyl
- B. Diisobenzene
- C. Diisobromine
- D. None of the above
Correct Answer: A. Diethylaminoethyl
-
Question 6: Which technique is used to determine the molecular weight of proteins?
- A. Affinity chromatography
- B. Thin-layer chromatography
- C. Ion-exchange chromatography
- D. Gel filtration chromatography
Correct Answer: D. Gel filtration chromatography
