| 1 |
DNA was discovered in |
- A. 1869
- B. 1864
- C. 1961
- D. 1972
|
| 2 |
All the 64 codons were tested by |
- A. Marshall Nirenberg
- B. Philip Leader
- C. Har Gobind Khorana
- D. All a,b,and,c
|
| 3 |
In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called |
- A. -10 sequence
- B. - 20 sequence
- C. - 30 sequence
- D. - 35 sequence
|
| 4 |
Chromosomal part which uncoils, during inter phase is called. |
- A. Chromatids
- B. Satellite DNA
- C. Euchromatin
- D. Heterochromatin
|
| 5 |
Human cells have 46 chromosomes consisting of |
- A. 20 pairs
- B. 21 pairs
- C. 22 pairs
- D. 23 pairs
|
| 6 |
In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for. |
- A. Valine
- B. Glycine
- C. Histidine
- D. Glutamic acid
|
| 7 |
Which of the following is a 'start' codon |
- A. AUG
- B. UAG
- C. UAA
- D. UGA
|
| 8 |
RNA polymerase II synthesize. |
- A. mRNA
- B. tRNA
- C. rRNA
- D. cDNA
|
| 9 |
Which of the following polymerase synthesize tRNA. |
- A. RNA Polymerase -I
- B. RNA Polymerase -III
- C. RNA Polymerase -II
- D. DNA Polymerase
|
| 10 |
Which of the following is a non sense codon. |
- A. UGA
- B. UGG
- C. AUG
- D. AUC
|