WEEK 4

Week 4 — Short Practice Quiz

Questions from your uploaded file.

1. If we all became vegetarians, we'll be able to support our large populations. This can be explained through

a. 10% rule
b. 1% rule
c. trophic cascade
d. biodiversity

2. Trees → Birds → Parasites → Hyperparasites represents

a. upright pyramid of numbers
b. inverted pyramid of numbers
c. spindle pyramid of numbers
d. dumb-bell pyramid of numbers

3. Net primary productivity is given by

a. APAR × LUE
b. APAR + LUE
c. APAR - LUE
d. APAR / LUE

4. At the compensation point,

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

5. Consider the food chain: Grass → Grasshopper → Frog → Snake → Hawk. As we move up the food chain,

a. available energy decreases
b. available energy increases
c. available energy remains same
d. available energy is zero everywhere

6. In this chain,

a. more hawks than grasshoppers can be supported
b. more grasshoppers than hawks can be supported
c. equal number of hawks and grasshoppers can be supported
d. none of these

7. Tree → Frugivorous birds → Hawk represents

a. upright pyramid of numbers
b. inverted pyramid of numbers
c. spindle pyramid of numbers
d. dumb-bell pyramid of numbers

8. In the chain, hawk is

a. producer
b. consumer and carnivore
c. consumer and herbivore
d. decomposer

9. Glacial lakes are typical examples of

a. eutrophic lakes
b. hypereutrophic lakes
c. oligotrophic lakes
d. mesotrophic lakes

10. In the chain, frog is

a. producer
b. consumer and carnivore
c. consumer and herbivore
d. decomposer