Home > Class 12 Biology > Quizzes > MCQs for Organisms and Populations
MCQs for Organisms and Populations
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 37% • Most missed: “Organisms that can maintain a constant internal temperature are called as”
MCQs for Organisms and Populations
Time left 00:00
25 Questions

1. Deserts, rainforest, tundra, etc, are examples of
2. Water holding capacity of the soil depends upon
3. Niche overlap indicates
4. The population growth is generally described by the following equation. \(\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}-\mathrm{N}}{\mathrm{K}}\right)\. What does V represent in the given equation ?
5. Seasonal variations on Earth occur due to its
6. Parameters related to age structure include
7. Many animals use the diurnal and seasonal variations in light intensity and photoperiod to time their
8. Nature and properties of soil depends upon
9. Which of the following factors influence population density under normal conditions ?
10. When two similar species live in the same area, they may evolve to become more different in order to
11. What parameters are used for tiger census in our country's national parks and sanctuaries ?
12. Why you never see cattle or goats browsing on weed Calotropis ?
13. Which of the following statement is correct with regard to Bergmann's rule ?
14. Two different species cannot live for long duration in the same niche or habitat. This law is called
15. When organisms change their location to escape from harsh environment, it is called as
16. _______ generally have shorter ears and limbs to minimise heat loss.
17. Which of the following is not an example of preypredator relationship ?
18. Organisms show migration in order to avoid unfavourable conditions of
19. Several plant and animal species present together at a place constitute a
20. Which of the following is an important adaptation of animals to the cold climate ?
21. Competitive exclusion principle stating that inferior species is eliminated eventually after prolonged competition was given by
22. Lichens are the associations of
23. An animal that can survive at 10°C and 40°C both, can be placed under the category of
24. Exponential growth is observed in a population when
25. Which of the following factors has a negative effect on the population growth rate ?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 12 Biology Practice Test: Evolution - Evidences for Evolution Class 12 Biology Practice Test: Molecular Basis of Inheritance - DNA Fingerprinting Class 12 Biology Practice Test: Molecular Basis of Inheritance - Methodologies of HGP Class 12 Biology Practice Test: Principles of Inheritance and Variation - Mendel's Laws of Inheritance MCQs for Human Reproduction Class 12 Biology Practice Test: Environmental Issues - Radioactive Wastes Class 12 Biology Practice Test: Molecular Basis of Inheritance - The Machinery and the Enzymes for Replication of DNA Class 12 Biology Practice Test: Organisms and Populations - Population Growth Class 12 Biology Practice Test: Biodiversity and Conservation - Importance of Species Diversity to the Ecosystem Class 12 Biology Practice Test: Molecular Basis of Inheritance - Lac Operon
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.