Q. No.(i) Trichoderma is a symbiotic algae which is common in root ecosystems and effective against several plant pathogens
(ii) Dragonflies are biocontrol agents
(iii) Bacillus thuringiensis spores are mixed in alcohol and sprayed to vulnerable plants like brassicas and fruit trees
(iv) Baculoviruses attack arthropods and other insects
(v) Nucleopolyhedrovirus (NPV) have species-specific, broad spectrum insecticidal applications
Which of the above statements are correct?
1. (i) and (iii)
2. (ii), (iii) and (iv)
3. (ii) and (v)
4. (ii) and (iv)
Consider the following statements:
| I: | Statins, used as blood cholesterol-lowering agents, are derived from Monascus purpureus |
| II: | Cyclosporin A, derived from Trichoderma, is used as an immunosuppressant |
| III: | Baculoviruses, in the genus Nucleopolyhederovirus, are species-specific, broad-spectrum insecticides |
Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
| Column-I | Column-II | ||
| 1. | Rotenone | (i) | Chrysanthemum cinerarifolium |
| 2. | Nicotine | (ii) | Derris elliptica |
| 3. | Azadiractin | (iii) | Azadirachta indica |
| 4. | Pyrethrum and cinerin |
(iv) | Nicotiana tabacum |
1. A = (ii), B = (iv), C = (i), D = (iii)
2. A = (ii), B = (iv), C = (iii), D = (i)
3. A = (iii), B = (iv), C = (i), D = (ii)
4. A = (i), B = (ii), C = (iv), D = (iii)
Match the items in column "A' and coloum 'B' and choose the correct answer
| Column I | Column II |
| A. Lady bird | (i) Methano bacterium |
| B. Mycorrhiza | (ii) Trichoderma |
| C. Biological control | (iii) Aphids |
| D. Biogas | (iv) Glomus |
The correct answer is
| A | B | C | D | |
| (1) | ii | iv | iii | i |
| (2) | iii | iv | ii | i |
| (3) | iv | i | ii | iii |
| (4) | iii | ii | i | iv |
Match the following column of bioactive substances and their roles.
|
Column l (Bioactive Substance) |
Column ll (Role) |
||
|
A. |
Stain |
1. |
Removal of oil stains |
|
B. |
Cyclosporin A |
2. |
Removal of clots from blood vessels |
|
C. |
Streptokinase |
3. |
Lowering of blood cholesterol |
|
D. |
Lipase |
4. |
lmmuno-suppressive agent |
Choose the correct match
| A | B | C | D | |
| (1) | 2 | 4 | 3 | 1 |
| (2) | 4 | 1 | 2 | 3 |
| (3) | 3 | 4 | 2 | 1 |
| (4) | 3 | 2 | 1 | 4 |
Select the incorrect match
1. Monascus - Statins
2. Trichoderma - Thurioside
3. Aspergillus - Citric acid
4. Propionibacterium - Swiss cheese
Match the following column of bacteria and their commercially important products.
|
Column l |
Column ll |
||
| A | Aspergillus niger | 1 | Lactic acid |
| B | Acetobacter aceti | 2 | Butyric acid |
| C | Clostridium butylicum | 3 | Acetic acid |
| D | Lactobacillus | 4 | Citric acid |
Codes
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 2 | 4 | 3 | 1 |
| 3. | 4 | 3 | 2 | 1 |
| 4. | 4 | 1 | 3 | 2 |
Which of the following option gives the correct matching of microbe, product and use?
Microbe Product Use
1. Saccharomyces Methanol Rum
2. Streptococcus Streptokinase Blood-cholesterol lowering agent
3. Monascus Statins Clot buster
4. Trichoderma Cyclosporin A Organ transplantation
Match the column- l with column-ll
Column-l Column-ll
(Bioactive molecules) (Source)
a. Cyclosporin A i. Monascus
b. Statins ii. Clostridium
c. Clot buster iii. Trichoderma
d. Butyric acid iv. Streptococcus
1. a (iii), b (i), c (iv), d (ii)
2. a (iii), b (iv), c (i), d (ii)
3. a (ii), b (i), c (iv), d (iii)
4. a (i), b (iv), c (ii), d (iii)
Which of the following is wrongly matched in the
given table?
|
Microbe |
Product |
Application |
|
1. Trichoderma |
Cyclosporin A |
Immunosuppressive drug |
|
2. Monascus purpureus |
Statins |
Lowering of blood cholesterol |
|
3. Streptococcus |
Streptokinase |
Removal of clot from blood vessel |
|
4. Clostridium butylicum |
Lipase |
Removal of oil stains |
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