4 Zooplankton \(\rightarrow\) phytoplankton \(\rightarrow\) crustaceans \(\rightarrow\) fish
Explanation:
Phytoplanktons - are fed by zooplanktons - are fed by crustacean fish, no other option is correct
BIOXII14: ECOSYSTEM
344674
Which of the following is not a producer?
1 \(Spirogyra\)
2 \(Agaricus\)
3 \(Volvox\)
4 \(Nostoc\)
Explanation:
\(Agaricus\) belongs to fungi hence it is not a producer. It is a saprophyte.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344675
Select the correct answer A. Detritus food chain may be connected with the grazing food chain at some levels: some of the organisms of DFC are prey to the GFC animals B. The natural interconnection of food chains make it a food web.
1 Only A is correct
2 Only B is correct
3 Both are correct
4 None are correct
Explanation:
Both the statements are correct.
BIOXII14: ECOSYSTEM
344676
Which is correct statement with reference to food web
1 Occurrence of food webs provides stability to ecosystem
2 It is more realistic than the food chain
3 Both 1 and 2
4 It increases adaptability but decreases competitiveness of organisms
4 Zooplankton \(\rightarrow\) phytoplankton \(\rightarrow\) crustaceans \(\rightarrow\) fish
Explanation:
Phytoplanktons - are fed by zooplanktons - are fed by crustacean fish, no other option is correct
BIOXII14: ECOSYSTEM
344674
Which of the following is not a producer?
1 \(Spirogyra\)
2 \(Agaricus\)
3 \(Volvox\)
4 \(Nostoc\)
Explanation:
\(Agaricus\) belongs to fungi hence it is not a producer. It is a saprophyte.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344675
Select the correct answer A. Detritus food chain may be connected with the grazing food chain at some levels: some of the organisms of DFC are prey to the GFC animals B. The natural interconnection of food chains make it a food web.
1 Only A is correct
2 Only B is correct
3 Both are correct
4 None are correct
Explanation:
Both the statements are correct.
BIOXII14: ECOSYSTEM
344676
Which is correct statement with reference to food web
1 Occurrence of food webs provides stability to ecosystem
2 It is more realistic than the food chain
3 Both 1 and 2
4 It increases adaptability but decreases competitiveness of organisms
4 Zooplankton \(\rightarrow\) phytoplankton \(\rightarrow\) crustaceans \(\rightarrow\) fish
Explanation:
Phytoplanktons - are fed by zooplanktons - are fed by crustacean fish, no other option is correct
BIOXII14: ECOSYSTEM
344674
Which of the following is not a producer?
1 \(Spirogyra\)
2 \(Agaricus\)
3 \(Volvox\)
4 \(Nostoc\)
Explanation:
\(Agaricus\) belongs to fungi hence it is not a producer. It is a saprophyte.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344675
Select the correct answer A. Detritus food chain may be connected with the grazing food chain at some levels: some of the organisms of DFC are prey to the GFC animals B. The natural interconnection of food chains make it a food web.
1 Only A is correct
2 Only B is correct
3 Both are correct
4 None are correct
Explanation:
Both the statements are correct.
BIOXII14: ECOSYSTEM
344676
Which is correct statement with reference to food web
1 Occurrence of food webs provides stability to ecosystem
2 It is more realistic than the food chain
3 Both 1 and 2
4 It increases adaptability but decreases competitiveness of organisms
4 Zooplankton \(\rightarrow\) phytoplankton \(\rightarrow\) crustaceans \(\rightarrow\) fish
Explanation:
Phytoplanktons - are fed by zooplanktons - are fed by crustacean fish, no other option is correct
BIOXII14: ECOSYSTEM
344674
Which of the following is not a producer?
1 \(Spirogyra\)
2 \(Agaricus\)
3 \(Volvox\)
4 \(Nostoc\)
Explanation:
\(Agaricus\) belongs to fungi hence it is not a producer. It is a saprophyte.
NCERT Exemplar
BIOXII14: ECOSYSTEM
344675
Select the correct answer A. Detritus food chain may be connected with the grazing food chain at some levels: some of the organisms of DFC are prey to the GFC animals B. The natural interconnection of food chains make it a food web.
1 Only A is correct
2 Only B is correct
3 Both are correct
4 None are correct
Explanation:
Both the statements are correct.
BIOXII14: ECOSYSTEM
344676
Which is correct statement with reference to food web
1 Occurrence of food webs provides stability to ecosystem
2 It is more realistic than the food chain
3 Both 1 and 2
4 It increases adaptability but decreases competitiveness of organisms