Which one of the following combinations is incorrect?
Rio convention - Air pollution
Kyoto protocol - Climate change
Montreal protocol - Ozone depletion
Ramsar convention - Wetland conservation
Lactose (Lac) operon is regulated by
lac repressor only
lac repressor and CAP-cGMP complex
lac repressor and CAP-cAMP complex
CAP-cAMP and CAP-cGMP complex
Gene therapy has been successful in curing Codes genetic diseases in laboratory animals through
exposure to X-ray to rectify the defective gene
replacing the defective gene with a functional gene
oral delivery of genes
use of therapeutic medicines to rectify the defective gene
The enzyme peptidyl transferase of prokaryotes resides in
50 S ribosome
30 S ribosome
40 S ribosome
60 S ribosome
The tRNA anticodon 3'-UAC-5' will pair with the mRNA codon
5'-AUU-3'
5'-UAC-3'
5'-AUG-3'
3'-GUA-5'
Match the items in column I with those in column II and choose the correct answer.
Column I | Column II |
A. Thiobacillus | 1. Nitrogen- fixation |
B. Nitrosomonas | 2. Ammonification |
C. Azotobacter | 3. Nitrification |
D. Pseudomonas | 4. Denitrification |
A- 4; B- 3; C- 1; D- 2
A- 3; B- 4; C- 1; D- 2
A- 4; B- 2; C- 1; D- 3
A- 2; B- 1; C- 3; D- 4
A male rabbit of genotype 'AABBDDEE' is crossed with a female rabbit of genotype 'aabbddee' to produce F1 hybrid offspring. How many genetically different gametes can be produced by this F1 hybrid?
4
8
16
32
Match the following column I with column II.
Column I | Column II |
A. Pollen grains | 1. Photochemical smog |
B. PAN | 2. Particulate pollution |
C. CO2 | 3. Global warming |
D. Cadmium | 4. Itai- itai disease |
A- 2; B- 1; C- 3; D- 4
A- 4; B- 2; C- 1; D- 3
A- 1; B- 2; C- 3; D- 4
A- 3; B- 1; C- 2; D- 4
A.
A- 2; B- 1; C- 3; D- 4
Column I | Column II |
A. Pollen grains | 2. Particulate pollution |
B. PAN | 1. Photochemical smog |
C. CO2 | 3. Global warming |
D. Cadmium | 4. Itai- itai disease |