MCQOPTIONS
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MCQOPTIONS
This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The proteins that forms the walls of the microtubules are |
| A. | actin |
| B. | tubulin |
| C. | pectin |
| D. | hydroxyproline |
| Answer» C. pectin | |
| 2. |
What are the names of the two genders of haploid yeast cells? |
| A. | A and Alpha |
| B. | M and F |
| C. | Y(a)and Y(b) |
| D. | None of these |
| Answer» B. M and F | |
| 3. |
The volume of O2 liberated in photosynthesis has which of the following ratio to CO2? |
| A. | 1:1 |
| B. | 2:1 |
| C. | 1:2 |
| D. | 3:1 |
| Answer» B. 2:1 | |
| 4. |
The colour of flower is due to the presence of |
| A. | chlorophyll |
| B. | xanthophylls |
| C. | florigen |
| D. | chromoplast or anthocyanin |
| Answer» E. | |
| 5. |
Neurospora is used as an experimental tool in |
| A. | ecology |
| B. | cytology |
| C. | genetics |
| D. | physiology |
| Answer» D. physiology | |
| 6. |
In the bundle sheath of C4 plant __________ is/ are less than mesophyll. |
| A. | PSI |
| B. | PSII |
| C. | PSI or PSII |
| D. | PSI and PSII |
| Answer» C. PSI or PSII | |
| 7. |
The major source of sugar in the world is |
| A. | watermelon |
| B. | beetroot |
| C. | sugarcane |
| D. | dates |
| Answer» D. dates | |
| 8. |
Mycorrhizae are symbiotic associations between |
| A. | algae and fungi |
| B. | root and fungi |
| C. | bacteria and root |
| D. | bacteria and fungi |
| Answer» C. bacteria and root | |
| 9. |
Gypsum is beneficial for |
| A. | phosphorus enriched soil |
| B. | water logged soil |
| C. | alkaline soil |
| D. | saline soil |
| Answer» D. saline soil | |
| 10. |
The study of interaction between living organism and environment is called |
| A. | ecosystem |
| B. | phytogeography |
| C. | ecology |
| D. | photosociology |
| Answer» D. photosociology | |
| 11. |
Lichen involves two organisms as |
| A. | virus and bacteria |
| B. | algae and bacteria |
| C. | algae and fungi |
| D. | fungi and mosses |
| Answer» D. fungi and mosses | |
| 12. |
Archaeabacteria differ from the true bacteria as they have |
| A. | different cell membrane lipids |
| B. | cell wall composition |
| C. | ribosomal RNA structure |
| D. | growth not inhibited by antibiotics |
| Answer» C. ribosomal RNA structure | |
| 13. |
Which group of plants has the greatest diversity (i.e. the most species) living today? |
| A. | Bryophyta |
| B. | Lycophyta |
| C. | Gymnosperms |
| D. | Angiosperms |
| Answer» E. | |
| 14. |
Which group of land plants is most restricted to moist environments? |
| A. | Lycophyta |
| B. | Sphenophyta |
| C. | Bryophyta |
| D. | Angiosperms |
| Answer» D. Angiosperms | |
| 15. |
Rice can grow in water submerged soil because the plants |
| A. | have spongy roots |
| B. | can oxidize the micro-environment around their roots and thus able to absorb oxygen |
| C. | are adapted to enable roots to ward off toxic products |
| D. | all of the above |
| Answer» E. | |
| 16. |
Who among the following coined the term Biotechnology? |
| A. | Karl Ereky |
| B. | James Clarke |
| C. | Paul Terasaky |
| D. | Clarke and Sommer |
| Answer» B. James Clarke | |
| 17. |
Auxanometer is used for measuring |
| A. | respiratory activity |
| B. | photosynthetic activity |
| C. | growth activity |
| D. | osmotic pressure |
| Answer» D. osmotic pressure | |
| 18. |
In angiosperm, the endosperm is |
| A. | haploid |
| B. | diploid |
| C. | triploid |
| D. | none of these |
| Answer» D. none of these | |
| 19. |
Triticale, the first man made cereal is an example of |
| A. | artificial allopolyploidy |
| B. | artificial autopolyploidy |
| C. | man made crossing |
| D. | artificial evolution |
| Answer» B. artificial autopolyploidy | |
| 20. |
Triticale is derived by crossing |
| A. | wheat and rice |
| B. | wheat and tapioca |
| C. | rye (secale) and wheat |
| D. | rye and rice |
| Answer» D. rye and rice | |
| 21. |
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is |
| A. | lichen |
| B. | mycorrhizal |
| C. | ascomycete |
| D. | basidiomycete |
| Answer» C. ascomycete | |
| 22. |
What single feature is probably most responsible for the success of angiosperms? |
| A. | Seeds |
| B. | Fruit |
| C. | Broad leaves |
| D. | Flowers |
| Answer» E. | |