Microbes in Human Welfare Questions: MCQs (Multiple Choice Questions) in Quiz Format on ‘Microbes in Human Welfare’. Quiz No. 4
Microbes in Human Welfare: MCQs Quiz - 4
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Question 1 |
Which one of the following is used as biological insecticide?
Silkmoth | |
Caterpillar | |
Tiger beetle | |
Mazra Poka |
Question 2 |
In paddy fields biological nitrogen fixation is chiefly brought by
Mycorrhiza | |
Green algae | |
Cyanobacteria | |
Rhizobium |
Question 3 |
During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded?
Hemi-cellulose | |
Lignin | |
Lipids | |
Cellulose |
Question 4 |
An important drug is obtained from the bark of
Withania | |
Cinchona | |
Papaver | |
Momordica |
Question 5 |
Bacillus thuringiensis (Bt) strains have been used for designing novel
Biofertilizers | |
Bio-mineralization processes | |
Bio-insecticidal plants | |
Bio-metallurgical techniques |
Question 6 |
Powdery mildew of wheat is caused by a species of
Ustilago | |
Erysiphe | |
Puccinia | |
Albugo |
Question 7 |
Genetic diversity in agricultural crops is threatened by:
Introduction of high yielding varieties | |
Intensive use of fertilizers | |
Extensive intercropping | |
Intensive use of biopesticides |
Question 8 |
Which of the following is not used as a biopesticide?
Trichoderma harzianum | |
Bacillus thuringiensis | |
Xanthomonas campestris | |
Nuclear Polyhedrosis Virus (NPV) |
Question 9 |
Which of the following is wrongly matched?
Aloe – Medicine | |
Petunia – Fumigatory | |
Sesbania – Fodder | |
Asparagus – Vegetable |
Question 10 |
A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called
Asymmetric somatic hybrid | |
Symmetric somatic hybrid | |
An interbreed | |
Cybrid |
Question 11 |
Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by
Storing them in underground storage tanks | |
Using them for producing biogas. | |
Vermiculture | |
Using them directly as biofertilizers. |
Question 12 |
Morphine, which is used as an analgesic is obtained from
Taxus brevifolia | |
Papaver somniferum | |
Cinchona officinalis | |
Berberis nilghiriensis |
Question 13 |
Study the followings related to uses of plants and identify the correct match for the sorghum and cotton respectively.
I. Blood purification and organic fertilizer.
II. Animal feed and paper industry
III. 'B' Vitamin and cosmetics.
IV. Explosives and organic fertilizer.
The correct pair is:
I, II | |
II, III | |
III, IV | |
II, IV |
Question 14 |
Match Column I with II and choose the right option.
| Column - I | Column - II | ||
|
(1) |
Artemisia | (A) | Fibre |
|
(2) |
Astragalus | (B) | Insecticide |
|
(3) |
Phormium | (C) | Rat poison |
|
(4) |
Chrysanthemum | (D) | Medicine |
|
(5) |
Withania | (E) | Vermifuge |
| (F) | Gum | ||
1 – D, 2 – C, 3 – F, 4 – B, 5 – 3 | |
1 – B, 2 – E, 3 – D, 4 – C, 5 – A | |
1 – E, 2 – E, 3 – A, 4 – F, 5 – D | |
1 – E, 2 – F, 3 – A, 4 – B, 5 – D |
Question 15 |
Study the following lists:
The correct match is:
| List - I | List - II | ||
| (A) | Usage of bisexual flowers as female parents | (I) | Clonal selection |
| (B) | Incorporation of several desirable characters into a single variety | (II) | Pure line selection |
| (C) | Exploiting hybrid vigour for many generations | (III) | Emasculation |
| (D) | Improving local varieties of self pollinated crop | (IV) | Hybridization |
| (V) | Polyploidy breeding | ||
A - IV, B - V, C - III, D - I | |
A - II, B - III, C - IV, D - V | |
A - III, B - IV, C - I, D - II | |
A - I, B - V, C - II, D - IV |
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thanks a lot for these questions… if we are able to solve these, then we will surely crack the aipmt exam..
i m glade to held this paper and satisfy