| 1 |
Which one is non-directed orientation? |
- A. Taxis
- B. Kinesis
- C. Tropism
- D. Imprinting
|
| 2 |
Repeating units of DNA are called. |
- A. Histones
- B. Nucleosides
- C. Nucleotides
- D. Amino acids
|
| 3 |
How many million nucleotides are in DNA of typical human chromosome |
- A. 140
- B. 160
- C. 180
- D. 200
|
| 4 |
The copping of mRNA from DNA is called. |
- A. Translation
- B. Transduction
- C. Transcription
- D. Transformation
|
| 5 |
A chromosome with equal length of its arms. |
- A. <br>Acrocentric
- B. Metacentric
- C. sub meta centric
- D. Telocentric
|
| 6 |
A gene with initiation codon, which encodes the amino acid methionine is. |
- A. UAA
- B. UAG
- C. AUG
- D. UGG
|
| 7 |
A combination of three nucleotides of DNA that specifies as amio acid is called. |
- A. Cistron
- B. Anticodon
- C. Genetic code
- D. Entron
|
| 8 |
Adenine and guanine are called |
- A. Purines
- B. Pyrmidines
- C. Both a & b
- D. None of these
|
| 9 |
Which strand of DNA is transcribed. |
- A. coding strand
- B. Sense strand
- C. Antisense strand
- D. Conservative strand
|
| 10 |
In 1882, chromosomes were first observed by. |
- A. John Brown
- B. T.H.Morgan
- C. Walter fleming
- D. Walther sutton
|