Question 1-5 of 245: Genetics | CUET (Common University Entrance Test) PG Botany (SCQP07) | Includes PYQs | Get Solutions with Detailed Explanations
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Question 1
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2020
Which of the following chemicals is used for doubling chromosome numbers during the production of ‘doubled haploids’ in crop plants?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Hygromycin | |
b. | Kanamycin | |
c. | Glufosinate | |
d. | Colchicine | |
Question 2
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2016
Error-free repair of double strand breaks in DNA is accomplished by (June)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Base excision repair. | |
b. | Homologous recombination. | |
c. | Mismatch repair. | |
d. | Non-homologous end-joining. | |
Question 3
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2020
An mRNA of a nuclear-encoded plant gene, has an ORF of 1353 nucleotides. Provided that the average molecular weight of amino acid is 110 Dalton (Da), the calculated molecular weight of protein in kDa (round off to 1 decimal place) is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 49 | |
b. | 48 | |
c. | 46 | |
d. | 49.5 | |
Question 4
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2016
The -COOH group of cellular amino acids can form which of the following bonds inside the cell? (June)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Ether and ester bonds. | |
b. | Amide and carboxylic anhydride bonds. | |
c. | Ester and amide bonds. | |
d. | Amide and ether bonds. | |
Question 5
MCQ
Read the question, then carefully choose the correct answer(s).
Appeared in Year: 2016
RNA interference is mediated by both siRNA and miRNA. Which one of the following statement about them is NOT true? (June)
Choices
| Choice (4) | Response | |
|---|---|---|
a. | miRNA, but not siRNA is processed by Drosha. | |
b. | siRNA and miRNA usually guide silencing of the same genetic loci from which they originate. | |
c. | miRNA is a natural molecule while siRNA is either natural or a synthetic one. | |
d. | siRNA and miRNA are processed by DICER. | |