MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Monascus purpureus is a yeast used commercially in the production of |
| A. | Citric acid |
| B. | Blood cholesterol lowering statins |
| C. | Ethanol |
| D. | Streptokinase for removing clots from the blood vessels |
| Answer» C. Ethanol | |
| 2. |
The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorized as |
| A. | Chemosynthetic autotrophs |
| B. | Heterotrophic bacteria |
| C. | Cyanobacteria |
| D. | Archaebacteria |
| Answer» C. Cyanobacteria | |
| 3. |
A patient brought to a hospital with myocardial infarction is normally immediately given |
| A. | Cyclosporin–A |
| B. | Statins |
| C. | Penicillin |
| D. | Streptokinase |
| Answer» E. | |
| 4. |
Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition? |
| A. | Glomus |
| B. | Trichoderma |
| C. | Azotobacter |
| D. | Aspergillus |
| Answer» B. Trichoderma | |
| 5. |
A nitrogen fixing microbe associated with Azolla in rice fields is |
| A. | Frankia |
| B. | Tolypothrix |
| C. | Spirulina |
| D. | Anabaena |
| Answer» E. | |
| 6. |
Study the following lists:
The correct match is |
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| A. | A - IV, B - V, C - III, D - I | ||||||||||||||||||||||||
| B. | A - II, B - III, C - IV, D - V | ||||||||||||||||||||||||
| C. | A - III, B - IV, C - I, D - II | ||||||||||||||||||||||||
| D. | A - I, B - V, C - II, D - IV | ||||||||||||||||||||||||
| Answer» D. A - I, B - V, C - II, D - IV | |||||||||||||||||||||||||
| 7. |
Match Column I with II and choose the right option.
|
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| A. | 1 – D, 2 – C, 3 – F, 4 – B, 5 – 3 | ||||||||||||||||||||||||||||
| B. | 1 – B, 2 – E, 3 – D, 4 – C, 5 – A | ||||||||||||||||||||||||||||
| C. | 1 – E, 2 – E, 3 – A, 4 – F, 5 – D | ||||||||||||||||||||||||||||
| D. | 1 – E, 2 – F, 3 – A, 4 – B, 5 – D | ||||||||||||||||||||||||||||
| Answer» E. | |||||||||||||||||||||||||||||
| 8. |
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: |
| A. | I, II |
| B. | II, III |
| C. | III, IV |
| D. | II, IV |
| Answer» E. | |
| 9. |
Morphine, which is used as an analgesic is obtained from |
| A. | Taxus brevifolia |
| B. | Papaver somniferum |
| C. | Cinchona officinalis |
| D. | Berberis nilghiriensis |
| Answer» C. Cinchona officinalis | |
| 10. |
Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by |
| A. | Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by |
| B. | Using them for producing biogas |
| C. | Vermiculture |
| D. | Using them directly as biofertilizers |
| Answer» C. Vermiculture | |
| 11. |
A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called |
| A. | Asymmetric somatic hybrid |
| B. | Symmetric somatic hybrid |
| C. | An interbreed |
| D. | Cybrid |
| Answer» E. | |
| 12. |
Which of the following is wrongly matched? |
| A. | Aloe – Medicine |
| B. | Petunia – Fumigatory |
| C. | Sesbania – Fodder |
| D. | Asparagus – Vegetable |
| Answer» C. Sesbania – Fodder | |
| 13. |
Intensive use of biopesticides |
| A. | Trichoderma harzianum |
| B. | Bacillus thuringiensis |
| C. | Xanthomonas campestris |
| D. | Nuclear Polyhedrosis Virus (NPV) |
| Answer» D. Nuclear Polyhedrosis Virus (NPV) | |
| 14. |
Genetic diversity in agricultural crops is threatened by: |
| A. | Introduction of high yielding varieties |
| B. | Intensive use of fertilizers |
| C. | Extensive intercropping |
| D. | Intensive use of biopesticides |
| Answer» B. Intensive use of fertilizers | |
| 15. |
Powdery mildew of wheat is caused by a species of |
| A. | Ustilago |
| B. | Erysiphe |
| C. | Puccinia |
| D. | Albugo |
| Answer» C. Puccinia | |
| 16. |
Bacillus thuringiensis (Bt) strains have been used for designing novel |
| A. | Biofertilizers |
| B. | Bio-mineralization processes |
| C. | Bio-insecticidal plants |
| D. | Bio-metallurgical techniques |
| Answer» D. Bio-metallurgical techniques | |
| 17. |
An important drug is obtained from the bark of |
| A. | Withania |
| B. | Cinchona |
| C. | Papaver |
| D. | Momordica |
| Answer» C. Papaver | |
| 18. |
During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded? |
| A. | Hemi-cellulose |
| B. | Lignin |
| C. | Lipids |
| D. | Cellulose |
| Answer» C. Lipids | |
| 19. |
In paddy fields biological nitrogen fixation is chiefly brought by |
| A. | Mycorrhiza |
| B. | Green algae |
| C. | Cyanobacteria |
| D. | Rhizobium |
| Answer» D. Rhizobium | |
| 20. |
Which one of the following is used as biological insecticide? |
| A. | Silkmoth |
| B. | Caterpillar |
| C. | Tiger beetle |
| D. | Mazra Poka |
| Answer» D. Mazra Poka | |