MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Coenocytic means _______ |
| A. | sharing of common cytoplasm |
| B. | removal of plasma membrane |
| C. | sharing of common nucleus |
| D. | sharing of common hyphael wall |
| Answer» B. removal of plasma membrane | |
| 2. |
During reproduction of fungus through fragmentation, ______ |
| A. | Mycelium separates into pieces which in turn form new one |
| B. | Germ cells separate into pieces which in turn form new one |
| C. | Zoospores are formed which further germinates to form new mycelium |
| D. | Zygospores are formed which further germinates to form new mycelium |
| Answer» B. Germ cells separate into pieces which in turn form new one | |
| 3. |
Budding is ________ |
| A. | sexual mode of reproduction |
| B. | an asexual mode of reproduction where an outgrowth from the parent splits to form the daughter organism |
| C. | an asexual mode of reproduction where the parent organisms splits into fragments and then develops into a new organism |
| D. | an asexual mode of reproduction where cytoplasm and nuclei splits into two equal parts to form two daughter nuclei |
| Answer» C. an asexual mode of reproduction where the parent organisms splits into fragments and then develops into a new organism | |
| 4. |
Diploid cell refers to __________ |
| A. | two set of chromosomes in a cell |
| B. | germ cells in an organism |
| C. | single set of chromosomes |
| D. | double-membraned nuclei |
| Answer» D. double-membraned nuclei | |
| 5. |
Karyogamy means ______ |
| A. | fusion of nuclei |
| B. | removal of cell wall |
| C. | formation of new cell wall |
| D. | division of nucleus |
| Answer» B. removal of cell wall | |
| 6. |
Which among the following is not a mode of asexual reproduction? |
| A. | Budding |
| B. | Fragmentation |
| C. | Zoospores |
| D. | Zygospores |
| Answer» E. | |
| 7. |
Which among the following is incorrect about Dikaryon? |
| A. | Dikaryon is formed by fusion of two nuclei |
| B. | Dikaryon is haploid nuclei formed due to fusion of two nuclei |
| C. | It further undergoes meiosis to form haploid cells |
| D. | Dikaryon is formed only during adverse environmental conditions |
| Answer» C. It further undergoes meiosis to form haploid cells | |
| 8. |
Which among the following statements are incorrect? |
| A. | Some parasitic fungi can cause disease in humans |
| B. | Lichens are an example of obligative symbiosis |
| C. | Lice in humans are example for endo-symbiosis |
| D. | Cell wall of fungi is made of polysaccharides |
| Answer» D. Cell wall of fungi is made of polysaccharides | |
| 9. |
Symbiosis between honey bee and flowers is an example of _________ |
| A. | Obligative symbiosis |
| B. | Facultative symbiosis |
| C. | Commensalism |
| D. | Parasitism |
| Answer» B. Facultative symbiosis | |
| 10. |
Lichens are __________ |
| A. | symbiotic existence of blue-green algae and fungi |
| B. | symbiotic existence of rhizobium bacteria in the roots of leguminous plants |
| C. | co-existence of coral reef with zooxanthellae |
| D. | existence of mycorrhiza along with leguminous plants |
| Answer» D. existence of mycorrhiza along with leguminous plants | |
| 11. |
Which among the following is wrong about the following figure? |
| A. | Mycelium is made up of light thread like structures called hyphae |
| B. | Hypha sometimes reproduces by vegetative reproduction |
| C. | Mycelium is septate and coenocytic |
| D. | Cell wall of fungi is made of chitin and polysaccharides |
| Answer» C. Mycelium is septate and coenocytic | |
| 12. |
Which among the following statements are incorrect about Fungi? |
| A. | All the fungi are multi-cellular organisms except yeast |
| B. | Fungi are heterotrophic and are either parasitic or saprophytic |
| C. | Fungi prefer cold-dry conditions to grow |
| D. | Fungi are immobile and this is the major difference between slime molds and that of fungi |
| Answer» D. Fungi are immobile and this is the major difference between slime molds and that of fungi | |
| 13. |
The structure shown below is the interconnection of ______ |
| A. | Hyphae |
| B. | Dendrites |
| C. | Rootlets |
| D. | Rootlets |
| Answer» D. Rootlets | |
| 14. |
All fungi are multi-cellular. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
Why do you think that food is protected from fungi when stored in refrigerator? |
| A. | Fungi doesn’t grow in warm conditions |
| B. | Refrigerator provides dry and cold conditions that don’t let fungi grow |
| C. | Refrigerator contains CFC gas that is toxic and doesn’t let fungi to grow |
| D. | Since the device works with electricity which doesn’t let fungus to grow |
| Answer» C. Refrigerator contains CFC gas that is toxic and doesn’t let fungi to grow | |