2. Which of the following population interaction is widely used in medical science for the production of antibiotics?
3. In a growing population of a country,
4. Asymptote in a logical growth curve is obtained when
5. The principle of competitive exclusion was stated by?
6. If + sign is assigned to beneficial interaction, - sign to detrimental and 0 sign to neutral interaction, then the population interaction represented by '+ -' refers to
7. Which of the following is correct for r-selected species?
8. When does the growth rate of a population following the logistic model equal zero? The logistic model is given by dN/dt = rN(1-N/K)
9. Gause's principle of competitive exclusion states that
10. An association of individuals of different species living in the same habitat and having functional interactions is
11. In which of the following interactions both partners are adversely affected?
12. Just as a person moving from delhi to shimla to escape the heat for the duration of summer, thousands of migratory birds from siberia and other extremely cold northern regions move to
13. A sedentary sea anemone gets attached to the shell of hermit crab. The association is
14. Large Woody Vines are more commonly
found in
15. Annual migration does not occur in the case
of
16. At which latitude, heat gain through
insalation approximately equals heat loss
through terrestrial radiation ?
17. More than 70% of world’s fresh water is contained in
18. Plants adapted to low light intensity have
19. The adaptive measure to protect against extreme heat by poikilotherms is
20. Bulk CO2
fixation occurs in
21. Species diversity increases as one proceeds
from
22. Homeostasis is
23. Under unfavourable conditions many Zooplanktonic species entered in a stage of suspended development called