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Introduction to Conservation

Very Short An...

Question

Very Short Answer Type Questions :
While comparing two ecosystems R and B, it was observed that A has only first and second order consumers, whereas B has plus third, fourth and fifth order consumers. Which of the two would be more stable

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Solution

The second ecosystem "B" would be more stable.

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Q. Very Short Answer Type Questions :
What type of organisms are primary consumers?

Q. In a food chain, deer is eaten by a lion and deer eats the vegetation. Which one of the following given statements is true?
(P) The lion is a second-order consumer and the deer is the first-order consumer.
(Q) Lion is a predator and deer is the prey.
(R) Lion is a first-order consumer and deer is a second-order consumer.

(S) Lion is a third-order consumer and deer is a second-order consumer.

Q. The table below shows the production in two ecosystems in the temperate zone: A rainforest and a field with an annual crop. All results are stated in

{MJ/m}^{2} / year

(1 MJ = 106 J).

\begin{matrix} [I] Rainforest & [II] Field with an annual crop Gross Primary Production (GPP) & 188 & 102 Respiration (autotrophs) & 134 & 38 Respiration (heterotrophs) & 53 & 3 \end{matrix}

(1) Of these two ecosystems, which has a higher ratio of respiration by heterotrophic organisms to net primary production (NPP)?
(a) I
(b) II
(c) They are the same

(2) What is the reason?
(a) The rainforest has larger GPP and more consumers than the crop field.
(b) The rainforest has larger NPP and more consumers than the crop field.
(c) The rainforest has smaller GPP and more consumers than the crop field.
(d) The rainforest has smaller NPP and more consumers than the crop field.
(e) The rainforest has smaller NPP and less consumers than the crop field.

Q. Very Short Answer Type Questions :
A reindeer moss (lichen) is eaten by the rabbit and which in turn is eaten by man. Which is the primary consumer?

Q. Very Short Answer Type Questions :
Name two different components of an ecosystem

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