| 1 |
A sequence of three nucleotides in mRNA is called. |
- A. Cistron
- B. Codon
- C. Anticodon
- D. Templet
|
| 2 |
Reptiles and birds are. |
- A. Viviparous
- B. Ovlparous
- C. Marsupial
- D. Ovoviviparous
|
| 3 |
Study of aging is called |
- A. Teratology
- B. Gerontology
- C. Cell biology
- D. Paleontology
|
| 4 |
The light which promotes germination of fern spores. |
- A. green
- B. Yellow
- C. Red
- D. White
|
| 5 |
A pair of kidneys, consist of millions of functional units called. |
- A. Nephrons
- B. Dendrons
- C. Neurons
- D. Flatrons
|
| 6 |
The most critical phase of mitosis, which ensures equal distribution of chromatids in the daughter cells is. |
- A. Prophase
- B. Tele phase
- C. Meta phase
- D. Anaphase
|
| 7 |
Chromosomal theory of inheritance was first formulated by. |
- A. Karl Correns
- B. T.H.Morgan
- C. W. Sutton
- D. Carvin Bridges
|
| 8 |
If the two generations are vegetatively similar such alternation of generation is referred to as |
- A. Homomorphic
- B. Isomorphic
- C. Heteromorphic
- D. Eumorphic
|
| 9 |
In 1999,transgenic crops were planted world wide on more than |
- A. 20 millions areas
- B. 35 millions areas
- C. 70 millions areas
- D. 90 millions areas
|
| 10 |
Bats and humming bird are called |
- A. Heterotherms
- B. Ectotherms
- C. Endotherms
- D. poikilotherms
|