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CUET-UG Biology Test: Organisms and Populations
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CUET-UG Biology Test: Organisms and Populations
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25 Questions

1. Which is the second phase of the sigmoidal growth curve?
2. Match the following with correct combination. Column I Column I A. Utricularia 1. Root pocket B. Rhizophora 2. Parasite C. Monatropa 3. Insectivorous plant D. Eicchornia 4. Pneumatophore E. Cuscuta 5. Saprophyte
3. Which of the following processes is responsible for fluctuation in population density?
4. Which of the following correctly tells about population density at time t+1?
5. A population has more young individuals compared to the older individuals. What would be the status of the population after some years?
[NCERT Exemplar]
6. Who is referred as Father of Ecology in India?
7. Species-Area relationship is represented on a log scale as
8. How much of the world’s land area, India has?
9. What is the level of the organization after the organs?
10. What do organisms in a population do in the lag phase?
11. Which letter is used to designate the immigration?
12. Study of human population growth is
13. How many species of fishes are present on Earth?
14. Animals undergo inactive stage during winter is known as
15. Autecology is the: [NCERT Exemplar]
16. By studying what processes can we tell the complexity of organisms?
17. What is a sigmoid growth curve called?
18. Pneumatophores are present or common in
19. If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the growth rate of population?
[NCERT Exemplar]
20. Who stated that human population grows geometrically?
21. When the number of individuals added to the population exceeds the number of individuals lost, the population experiences
22. Considering May’s global estimates, how many of the total species have been recorded?
23. What is the level of the organization after the macromolecules?
24. The primary reason for increase in human population is
25. In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using exponential equation, the number of people present in 2015 is predicted as:[NCERT Exemplar]

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