This practice test includes 25 important multiple choice questions from the chapter – Organisms And Populations (Class 12th Biology).
Organisms and Populations : Biology (Class 12th) Revision Test | MCQs for NEET
Score: 0 / 25
Questions
Q1. For human population, the age pyramids generally show age distribution of
the age pyramids generally show age distribution of Of males and females
Q2. The size of the population tells us a lot about its status in the
The size of the population tells us a lot about its status in the Habitat
Q3. The number of deaths in the population during a given period is referred to
The number of deaths in the population during a given period is referred to Mortality
Q4. The number of birth during a given period in the population that are added to the initial density is referred to
It is referred as Natality
Q5. Parasites that live inside the host body at different sities are called
Parasites that live inside the host body at different sities are called Endo parasites
Q6. Parasites that feed on the external surface of the host organism are called
Parasites that feed on the external surface of the host organism are called Ecto parasites
Q7. If one species is harmed whereas the other is unaffected is called
It is called as Commensalism.
Q8. The interaction where one species is benefitted and the other is neither benefitted nor harmed is called
It is called as Commensalism.
Q9. One species benefit in
Both (a) and (b)
Q10. Both species lose in
Both species lose in Competition
Q11. Both the species benefit in
Both the species benefit in Mutualism
Q12. A stage of suspended development is called
A stage of suspended development is called Diapause
Q13. To avoid summer-related problems – heat and desiccation by organism is called
To avoid summer-related problems – heat and desiccation by organism is called Aestivation
Q14. Winter sleep is also called as
Winter sleep is also called as Hibernation
Q15. The shifting of an organism temporarily from the stressful habitat to a more hospitable area and return when stressful period is over is called
Q16. Habitat together with functions of a species constitute its:
Habitat together with functions of a species constitute its Ecological niche
Q17. The maximum growth rate occurs in
Exponential, phase
Q18. In which one of the following habitats, does the diurnal temperature of soil surface view most?
In desert the diurnal temperature of soil surface view most.
Q19. Science linking heredity with environment is:
Science linking heredity with environment is Genecology
Q20. Submerged hydrophytes have disseced leaves for
For Reducing effect pf water currents
Q21. Water holding capacity is maximum in
Water holding capacity is maximum in Clay
Q22. Animals undergo inactive stage during winters. It is called
Q23. Praying mantis is a good example of
Praying mantis is a good example of Camouflage
Q24. Animals have innate ability to escape from predation. Select the incorrect example:
Poison fangas of snakes is incorrect
Q25. Ozone protects biosphere from high energetic:
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