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Q.11. Both the species benefit in
- Parasitism
- Mutualism
- Competition
- Predation
Answer:
(b) Mutualism
Explanation: Both the species benefit in Mutualism
Explanation: Both the species benefit in Mutualism
Organisms And Populations : Biology (Class 12th) Revision Test | MCQs For NEET
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This practice test includes 25 important multiple choice questions from the chapter - Organisms And Populations (Class 12th Biology). Start Test without Login in
Merit
Merit
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Action | Q.No. | Que title | Option 1 (a) | Option 2 (b) | Option 3 (c) | Option 4 (d) |
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1 | For human population, the age pyramids generally show age distribution of | Only males | Only females | Of males and females | None of the above | |
2 | The size of the population tells us a lot about its status in the | Environment | Sex-ratio | Age pyramid | Habitat | |
3 | The number of deaths in the population during a given period is referred to | Natality | Mortality | Sex-ratio | None of the above | |
4 | The number of birth during a given period in the population that are added to the initial density is referred to | Natality | Mortality | Sex-ratio | None of the above | |
5 | Parasites that live inside the host body at different sities are called | Ecto parasites | Endo parasites | Brood parasitism | None of the above | |
6 | Parasites that feed on the external surface of the host organism are called | Ecto parasites | Endo parasites | Brood parasitism | None of the above | |
7 | If one species is harmed whereas the other is unaffected is called | Commensalism | Amensalism | Mutualism | None of the above | |
8 | The interaction where one species is benefitted and the other is neither benefitted nor harmed is called | Commensalism | Amensalism | Mutualism | None of the above | |
9 | One species benefit in | Parasitism | Predation | Mutualism | Both (a) and (b) | |
10 | Both species lose in | Mutualism | Competition | Parasitism | Predation | |
11 | Both the species benefit in | Parasitism | Mutualism | Competition | Predation | |
12 | A stage of suspended development is called | Diapause | Suspend | Migrate | Aestivation | |
13 | To avoid summer-related problems – heat and desiccation by organism is called | Hibernation | Suspend | Migrate | Aestivation | |
14 | Winter sleep is also called as | Hibernation | Suspend | Migrate | Aestivation | |
15 | The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called | Suspend | Migrate | Hibernation | Aestivation | |
16 | Habitat together with functions of a species constitute its: | Topography | Trophic level | Boundary | Ecological niche | |
17 | The maximum growth rate occurs in | Lag phase | Exponential, phase | Stationary phase | Senescent phase | |
18 | In which one of the following habitats, does the diurnal temperature of soil surface view most? | Shrub land | Forest | Desert | Grassland | |
19 | Science linking heredity with environment is: | Ecology | Ecophysiology | Genecology | Genetics | |
20 | Submerged hydrophytes have disseced leaves for | Decreasing surface area | Increasing surface area | Reducing effect pf water currents | Increasing number of stomata | |
21 | Water holding capacity is maximum in | Clay | Sand | Slit | Gravel | |
22 | Animals undergo inactive stage during winters. It is called | Acclimatisation | Hibernation | Aestivation | Adapatation | |
23 | Praying mantis is a good example of | Camouflage | Mullarian mimicry | Warning colouration | Social insect | |
24 | Animals have innate ability to escape from predation. Select the incorrect example: | Colour change in Chameleon | Enlargement of body by swallowing air in puffer fish | Poison fangas of snakes | Melaninin in moths | |
25 | Ozone protects biosphere from high energetic: | Infra-red rays | Ultraviolet rays | X-rays | gamma rays |
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