Given below are the results of three water samples subjected to BOD test:
I: | Sample A can be from secondary effluent discharged from an STP. |
II: | Sample B can be from a river presumed to be mild to moderately polluted. |
III: | Sample C can be from untreated sewage water. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Baculoviruses are excellent candidates for:
1. | Species-specific, narrow-spectrum insecticidal applications |
2. | Species-specific, broad-spectrum insecticidal applications |
3. | Biocontrol of fungal diseases |
4. | Biocontrol of aphids and mosquitoes |
In the anaerobic sludge digesters during sewage water treatment:
1. | The primary sludge is treated with aerobic microbes and activated sludge is created |
2. | The primary sludge is treated with anaerobic microbes and activated sludge is created |
3. | The activated sludge is digested by anaerobic microbes producing biogas during the process |
4. | The activated sludge is digested by aerobic microbes producing biogas during the process |
Consider the given two statements:
I: | BOD is an indirect measure of the organic matter present in the water. |
II: | The BOD test measures the rate of uptake of oxygen by microorganisms in a sample of water. |
1. | Both I and II are correct and II explains I. |
2. | Both I and II are correct but II does not explain I. |
3. | Only II is correct. |
4. | Both I and II are incorrect. |
Match each item in column I with one in Column II and select the correct answer from the codes given:
Column I |
|
Column II |
|
A |
Monascus purpureus |
P |
Thrombolytic |
B |
Trichoderma polysporum |
Q |
Immunosuppressant |
C |
Streptococcus pyogenes |
R |
Antibiotics |
D |
Streptomyces griseus |
S |
Statins |
Codes
A |
B |
C |
D |
|
1 |
S |
Q |
R |
P |
2 |
Q |
S |
P |
R |
3 |
Q |
S |
R |
P |
4 |
S |
Q |
P |
R |
Fruit juices can be clarified with the use of:
1. | Lipases | 2. | Papain |
3. | Pectinase and protease | 4. | Glucoamylase |
Alexander Fleming discovered Penicillin and named it after:
1. | Penicillium chrysogenum | 2. | Penicillium roqueforti |
3. | Penicillium notatum | 4. | Penicillium camemberti |
Lactic Acid Bacillus, while used for converting milk to curd, increases the nutritional value of curd by adding vitamin:
1. | A | 2. | B12 |
3. | C | 4. | D |
Consider the given two statements:
I. | Ciclosporin is used to treat and prevent graft-versus-host disease in bone marrow transplantation and to prevent rejection of kidney, heart, and liver transplants. |
II. | It selectively inhibits the functions of B lymphocytes acting as an immunosuppressant. |
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct and II is incorrect.
4. Both I and II are incorrect.
Match each item in Column I [biocontrol agent] with one in Column II [pest controlled] and select the answer from the codes given:
|
Column I |
|
Column II |
A. |
Ladybird |
P. |
Mosquitoes |
B. |
Dragonflies |
Q. |
Aphids |
C. |
Trichoderma |
R. |
Fungus |
D. |
Baculoviruses |
S. |
Virus |
Codes
A |
B |
C |
D |
|
1. |
P |
Q |
R |
S |
2. |
Q |
P |
R |
S |
3. |
P |
Q |
S |
R |
4. |
Q |
P |
S |
R |