People & Environment for NTA UGC NET JRF Paper 1

1. A group of living organisms of the same kind living in the same place and at the same time refers to a

a. Community
b. Species
c. Population
d. Consumers

2. Which of these organisms has a diet consisting only of plant matter

a. Omnivores
b. Carnivores
c. Herbivores
d. Insectivores

3. The true end of any food chain is the

a. Decomposer
b. Predator
c. Consumer
d. Human

4. The second trophic level in a lake is

a. Phytoplankton
b. Zooplanktons
c. Fishes
d. Benthos

5. Which of the following can act as a pioneer species in a xerach succession

a. Lichens
b. Humans
c. Herbs
d. Animals

6. Energy flow in an ecosystem is

a. Bidirectional
b. Unidirectional
c. Multidirectional
d. All rounds

7. Which of the following is an example of a man-made ecosystem

a. Tissue culture
b. Herbarium
c. Aquarium d. Forest

8. Pyramid of energy in a pond ecosystem is always

a. Inverted
b. Upright
c. Linear
d. Irregular

9. If in a population, natality is balanced by mortality, then there will be

a. Decrease in population growth
b. Increase in population growth
c. Zero population growth
d. Over population

10. Primary source of energy in a food web is/are

a. Green plants
b. Sun
c. Inorganic nutrients
d. Animals