WEEK 12

Week 12 — Short Practice Quiz

Based on your uploaded assignments.

1. At the compensation point,

a. photosynthesis > respiration
b. photosynthesis < respiration
c. photosynthesis = respiration
d. photosynthesis = 0

2. Birds on giraffe are an example of

a. colony
b. commensalism
c. protocooperation
d. allelopathy

3. Because of climate change, Mudumalai Tiger Reserve is suffering from frequent droughts. The management has built several artificial water holes and fills them regularly with tankers. In the context of climate change, such an action would be called

a. adaptation
b. mitigation
c. deceleration
d. maladaptation

4. Which of these is a stochastic factor?

a. birth rate
b. death rate
c. population structure
d. environmental fluctuation

5. The mitochondrion is a/an

a. Sub-cellular organelle
b. Cell
c. Tissue
d. Organ

6. Which of these is correct?

a. Fundamental niche > Realised niche
b. Fundamental niche = Realised niche
c. Fundamental niche < Realised niche
d. a or b

7. The movement of individuals away from their place of birth or hatching or seed production into a new habitat or area to survive and reproduce is called

a. translocation
b. migration
c. dispersal
d. drifting

8. The book An Essay on the Principle of Population was written by

a. Darwin
b. Malthus
c. Spencer
d. Owens

9. Which of these is not a step in natural selection?

a. variation
b. underpopulation
c. struggle for existence
d. survival of the fittest

10. The logistic growth equation, when plotted, appears

a. I shaped
b. J shaped
c. S shaped
d. O shaped