Questions
1
Through, which of the following, energy enters in an ecosystem?
Answer:Producer
2
Why is algae placed in first place of food chain?
Answer: Algae is first to synthesize food
3
In which of the following wheat eating pegions included ?
Answer: Primary consumer
4
which of the following is placed in upper most (highest) level of ecological pyramids.
Answer:Carnivors
7
Who is primary consumer of biotic community ?
Answer:Herbivores/ Grazing animal
10
Which of the following option is correct for storage place phosphorus and nitrogen respectively?
Answer: Parental rock and environment
11
Which of the following is trophic level of the orchid staying on mango tree?
Answer: First
12
Which age group in pyramid indicate less reproductive potential?
Answer: Inverted Bell shaped
13
It is correct for ecosystem
Answer: (Plants, Animals, Microorganisms) + Abiotic environment
14
What is the original source of energy for the living organisms?
Answer:Sun light
16
The functional efficiency of ecosystem is effected when decomposers are removed from it, because
Answer:Flow of nutrient will stop
17
From which of the following detritus food chain will start ?
Answer:Bacteria
18
Which of the following is gaseous cycle?
(1) Sulphur cycle
(3) Phosphorous cycle
(2) Carbon cycle
(4) Nitrogen cycle
(1) Sulphur cycle
(3) Phosphorous cycle
(2) Carbon cycle
(4) Nitrogen cycle
Answer:3, 4
20
Which Source of eutrophication is the modern source of phosphorus ?
Answer:Detergent
