| 1 |
International breeding between individuals for certain traits, or combination of traits is called as. |
- A. Variations
- B. Evolution
- C. Natural selection
- D. Artificial selection
|
| 2 |
In human body cells the number of chromosomes present are: |
|
| 3 |
How many pairs of homologous chromosomes are present in human body cells. |
|
| 4 |
The characteristics which appear in an organism are called. |
- A. Genotype
- B. Karyotype
- C. Phenotype
- D. Body type
|
| 5 |
The characteristics which appear in an organism are called: |
- A. Genotype
- B. Karyotype
- C. Phenotype
- D. Body type
|
| 6 |
<p class="MsoNormal">In________ James Watson and Francis Crick proposed the structure
for DNA.<o:p></o:p></p> |
- A. <p class="MsoNormal">1951 <o:p></o:p></p>
- B. 1953
- C. 1955
- D. 1957
|
| 7 |
How many genotypes are possible for the allele ''A'' and ''a'' ? |
- A. two
- B. three
- C. four
- D. seven
|
| 8 |
The structure of RNA model was proposed by: |
- A. Charles Darwin
- B. c.de Buffon
- C. J.de Lamarck
- D. 4
|
| 9 |
The genotype of wrinkled green seeds was: |
- A. RRyy
- B. RyYr
- C. RRYY
- D. rryy
|
| 10 |
James Watson and Francis Crick proposed the structure of DNA in: |
- A. 1953
- B. 1963
- C. 1933
- D. 1922
|
