McQ on ecology and environment
Answers
Answer:
1. The natural place of an organism or community is known as
Niche
Biome
Habitat
Habit
2. Which is the renewable exhaustible natural energy resource?
Coal
Petroleum
Kerosene
Biomass
3. According to Shelford’s Law of Tolerance, the organisms wide environmental factor tolerance limit show
Narrow distribution with low population size
Wide distribution with high population size
Narrow distribution with high population size
Wide distribution with low population size
4. Plants growing under direct sunlight are known as
Heliophytes
Sciophytes
Psamophytes
Dicots
5. Plants growing under shade are known as
Psamophytes
Sciophytes
Heliophytes
Monocots
6. An orchid living on a tree exhibits
Predator
Mutualism
Commensalism
Parasitism
7. Which statement is correct with respect to the food chain?
Every component of food chain forms trophic level
Inter-relation between different food chains is known as a food web
All the chains formed by nutritional relations is used to understand energy flow.
All of the above
8. The process of vernalization is practised in
Cold countries
Hot countries
Only in sub-tropical countries
Only in tropical countries
9. Which of the following requires maximum energy?
Secondary consumer
Decomposer
Primary consumer
Primary producer
10. The bottom area where production is less than respiration in a pond ecosystem is termed as
Profundal zone
Tidal zone
Benthic zone
Limnetic zone