| 1 |
If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations: |
- A. 14 %
- B. 28 %
- C. 36 %
- D. 64 %
|
| 2 |
Endosymbiont hypothesis explains origin of. |
- A. cell
- B. Prokaryotic cell
- C. Eukaryotic cell
- D. Ribosome
|
| 3 |
The armored mammal that lives only in America is the. |
- A. Armadillo
- B. Echidna
- C. Pengun
- D. Pelvis and leg bones
|
| 4 |
Darwin's origin of species was published in. |
- A. 1840
- B. 1859
- C. 1865
- D. 1890
|
| 5 |
Archaeobacteria can tolerate temperature upto. |
- A. 120 <sup>o</sup>C
- B. 140 <sup>o</sup>C
- C. 160 <sup>o</sup>C
- D. 180 <sup>o</sup>C
|
| 6 |
Eukaryotes are thought to have first appeared about____billion years ago |
- A. 1.2
- B. 1.3
- C. 1.4
- D. 1.5
|
| 7 |
Armadillos, the armored mammals live only in |
- A. Africa
- B. America
- C. Europe
- D. Asla
|
| 8 |
A group of bacteria that can tolerate temperate upto 120 <sup>o</sup>C |
- A. Eubacteria
- B. Mycoplasma
- C. Archaebacteria
- D. E.Coli
|
| 9 |
A chromosome with unequal length of its arm is called: |
- A. Metacantric
- B. Sub metacentric
- C. Acrocentric
- D. Telocentric
|
| 10 |
The most threatened areas on the earth have been reduced to 44% of their original extent are |
- A. Tropical rain forests
- B. Temperate rain forests
- C. Carbiniferous forests
- D. Deciduous rain forests
|