| 1 |
<p class="MsoNormal">Inside of double helix consists of:<o:p></o:p></p>
<br> |
- A. Nitrogenous bases
- B. sugar
- C. sugar Phosphate
- D. Phosphate
|
| 2 |
The allele which is not expressed is called. |
- A. Dominant
- B. Phenotype
- C. Genotype
- D. Recessive
|
| 3 |
How many genotypes are possible for the allele ''A'' and ''a'' ? |
- A. two
- B. three
- C. four
- D. seven
|
| 4 |
Alternatives forms of a gene are called: |
- A. Allele
- B. DNA
- C. Chromosome
- D. Gamete
|
| 5 |
Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that. |
- A. Are born first and grow fastest
- B. Are largest and most aggressive
- C. Have no natural predators
- D. Are best adapted to the environment.
|
| 6 |
<span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">DNA wraps around
histone protein and forms-rounded structures called as</span> |
- A. <p class="MsoNormal">Nucleosomes <o:p></o:p></p>
- B. Ribosomes
- C. Lysosomes
- D. mRNA
|
| 7 |
It is the process by which the better genetic variations become more common in successive generations of population: |
- A. Variation
- B. Artificial selection
- C. Selective breeding
- D. Natural selective
|
| 8 |
In a nucleosome , DNA is wrapped around protein named: |
- A. Insulin
- B. Interferon
- C. Histone
- D. haemoglobin
|
| 9 |
In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide: |
- A. Guanine
- B. Cytosine
- C. Thymine
- D. Uracil
|
| 10 |
It is a situation where two different alleles of gene pair express themselves completely, instead of showing a dominant recessive relationship is called. |
- A. Incomplete dominance.
- B. Co-dominatice
- C. Complete dominatnce
- D. None of these
|