Welcome to your environmentquiz2
1.
Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
1) Hard and waxy leavesÂ
2) Tiny leaves
3) Thorns instead of leaves.Â
Select the correct answer using the code given below. [2018]
2.
Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
- Pollination of some plants could be adversely affected.Â
- There could be a drastic increase in the fungal infections of some cultivated plants.Â
- It could lead to a fall in the population of some species of wasps, spiders and birds.Â
Select the correct answer using the code given below. [2017]
3.
Which one of the following is the best description of the term 'ecosystem'? [2015]
4.
Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of: [2014]
5.
Which one of the following is the correct sequence of a food chain? [2014]
6.
Which of the following adds/ads carbon dioxide to the carbon cycle on the planet Earth? [2014]
- Volcanic actionÂ
- RespirationÂ
- PhotosynthesisÂ
- Decay of organic matter.Â
Select the correct answer using the code given below.
7.
Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
- Hard and waxy leavesÂ
- Tiny leaves or no leavesÂ
- Thorns instead of leaves.Â
Select the correct answer using the codes given below. [2013]
8.
With reference to food chains in ecosystems, consider the following statements: [2013]
- A food chain illustrates the order in which a chain of organisms feed upon each other.Â
- Food chains are found within the population of a species.Â
- A food chain illustrates the numbers of each organism which are eaten by others.Â
Which of the statements given above is/are correct?
9.
Which of the following adds/ adds nitrogen to the soil? [2013]
- Excretion of Urea by animals
- Burning of coal by manÂ
- Death of vegetation.Â
Select the correct answer using the codes given below.
10.
Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms? [2013]
