| 1 |
In natural selection, the environment plays role affecting the proportions of gene in . |
- A. Population
- B. Community
- C. Area
- D. Blome
|
| 2 |
Eukaryotes are thought to have first appeared about____billion years ago |
- A. 1.2
- B. 1.3
- C. 1.4
- D. 1.5
|
| 3 |
Tubes that connect the middle ear with the throat in humans are called. |
- A. eustachian tube
- B. Fallopian tube
- C. Neural tube
- D. Nephridial tube
|
| 4 |
A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at |
- A. Equilibrium
- B. Balance
- C. Stability
- D. Poise
|
| 5 |
Biogeography is the geographical distribution of. |
- A. Phylum
- B. species
- C. Genera
- D. Classes
|
| 6 |
In Pakistan among the animals declared extinct is |
- A. White headed duck
- B. Marbled teal
- C. Houbara Bustard
- D. Crocodile
|
| 7 |
In eukaryotic mRNA molecule there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecules? |
- A. 29 Amino acids
- B. 30 Amino acids
- C. 45 Amico acids
- D. 90 Amino acids
|
| 8 |
The idea of endosymbiont was purposed by. |
- A. Cuvler
- B. Lyell
- C. Malthus
- D. Marglls
|
| 9 |
In human Eustachian tubes connect middle ear with |
- A. Nose
- B. Eye
- C. Throat
- D. Brain
|
| 10 |
Lyell published the principle of. |
- A. Population
- B. Community
- C. Geology
- D. Blome
|