My Notes
The free-living fungus Trichoderma can be used for:
1. killing insects
2. biological control of plant diseases
3. controlling butterfly caterpillars
4. producing antibiotics
Identify the incorrectly matched pair
|
1. |
Baculoviruses |
Species specific, broad spectrum insecticides |
|
2. |
Trichoderma |
Free living fungi common in root ecosystems |
|
3. |
Ladybird |
Biocontrol of aphids |
|
4. |
Organic farming |
Pests kept at manageable levels rather than completely eradicated |
Baculoviruses are:
1. Species specific, narrow spectrum insecticides
2. Species specific, broad spectrum insecticides
3. Non specific, narrow spectrum inseticides
4. Non specific, broad spectrum insecticides
Which of the following is not used as a biopesticide?
(1) Bacillus thuringiensis
(2) Trichoderma harzianum
(3) Nuclear Polyhedrosis Virus (NPV)
(4) Xanthomonas campestris
| Column-I | Column-II | ||
| I. | Methanogens | A. | Microbial biocontrol agent |
| II. | Organic wastes | B. | Penicillin |
| III. | Bacillus thuringiensis |
C. | Biochemical oxygen demand |
| IV. | Penicillium notatum | D. | Methanobacterium |
Which of the combinations is correct?
| I | II | III | IV | |
| (1) | B | A | D | C |
| (2) | C | D | A | B |
| (3) | D | C | A | B |
| (4) | D | B | A | C |
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