The energy flow in an ecosystem is unidirectional. There occurs flow or transfer of energy from sunlight through plants and planteating animals to flesh-eating animals in the form of food.
BIOXII14: ECOSYSTEM
344641
Statement A : A detritivore is animal feeding on dead and decaying organic matter. Statement B : In a pond, phytoplankton synthesise food materials from dissolved nutrients by photosynthesis.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Both statements are correct.
BIOXII14: ECOSYSTEM
344642
Standing crops refers to
1 All the crop plants in an area
2 All the living forms in an area
3 All the photosynthetic living forms in an area
4 Standing crop is amount of living biomass present in an ecosystem
Explanation:
Standing crop is amount of living biomass present in an ecosystem
BIOXII14: ECOSYSTEM
344644
Which group of organism are not constituents of a food chain? i. Grass, Lion, Rabbit, Wolf ii. Plankton, Man, Fish, Grass hopper iii. Wolf, Grass, Snake, Tiger iv. Frog, Snake, Eagle, Grass, Grass hopper
1 i and iii
2 iii and iv
3 ii and iii
4 i and iv
Explanation:
Food chain is a sequence of organisms of an ecosystem through which food and energy are passed with each member becoming food for the next member of the chain.
The energy flow in an ecosystem is unidirectional. There occurs flow or transfer of energy from sunlight through plants and planteating animals to flesh-eating animals in the form of food.
BIOXII14: ECOSYSTEM
344641
Statement A : A detritivore is animal feeding on dead and decaying organic matter. Statement B : In a pond, phytoplankton synthesise food materials from dissolved nutrients by photosynthesis.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Both statements are correct.
BIOXII14: ECOSYSTEM
344642
Standing crops refers to
1 All the crop plants in an area
2 All the living forms in an area
3 All the photosynthetic living forms in an area
4 Standing crop is amount of living biomass present in an ecosystem
Explanation:
Standing crop is amount of living biomass present in an ecosystem
BIOXII14: ECOSYSTEM
344644
Which group of organism are not constituents of a food chain? i. Grass, Lion, Rabbit, Wolf ii. Plankton, Man, Fish, Grass hopper iii. Wolf, Grass, Snake, Tiger iv. Frog, Snake, Eagle, Grass, Grass hopper
1 i and iii
2 iii and iv
3 ii and iii
4 i and iv
Explanation:
Food chain is a sequence of organisms of an ecosystem through which food and energy are passed with each member becoming food for the next member of the chain.
The energy flow in an ecosystem is unidirectional. There occurs flow or transfer of energy from sunlight through plants and planteating animals to flesh-eating animals in the form of food.
BIOXII14: ECOSYSTEM
344641
Statement A : A detritivore is animal feeding on dead and decaying organic matter. Statement B : In a pond, phytoplankton synthesise food materials from dissolved nutrients by photosynthesis.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Both statements are correct.
BIOXII14: ECOSYSTEM
344642
Standing crops refers to
1 All the crop plants in an area
2 All the living forms in an area
3 All the photosynthetic living forms in an area
4 Standing crop is amount of living biomass present in an ecosystem
Explanation:
Standing crop is amount of living biomass present in an ecosystem
BIOXII14: ECOSYSTEM
344644
Which group of organism are not constituents of a food chain? i. Grass, Lion, Rabbit, Wolf ii. Plankton, Man, Fish, Grass hopper iii. Wolf, Grass, Snake, Tiger iv. Frog, Snake, Eagle, Grass, Grass hopper
1 i and iii
2 iii and iv
3 ii and iii
4 i and iv
Explanation:
Food chain is a sequence of organisms of an ecosystem through which food and energy are passed with each member becoming food for the next member of the chain.
The energy flow in an ecosystem is unidirectional. There occurs flow or transfer of energy from sunlight through plants and planteating animals to flesh-eating animals in the form of food.
BIOXII14: ECOSYSTEM
344641
Statement A : A detritivore is animal feeding on dead and decaying organic matter. Statement B : In a pond, phytoplankton synthesise food materials from dissolved nutrients by photosynthesis.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Both statements are correct.
BIOXII14: ECOSYSTEM
344642
Standing crops refers to
1 All the crop plants in an area
2 All the living forms in an area
3 All the photosynthetic living forms in an area
4 Standing crop is amount of living biomass present in an ecosystem
Explanation:
Standing crop is amount of living biomass present in an ecosystem
BIOXII14: ECOSYSTEM
344644
Which group of organism are not constituents of a food chain? i. Grass, Lion, Rabbit, Wolf ii. Plankton, Man, Fish, Grass hopper iii. Wolf, Grass, Snake, Tiger iv. Frog, Snake, Eagle, Grass, Grass hopper
1 i and iii
2 iii and iv
3 ii and iii
4 i and iv
Explanation:
Food chain is a sequence of organisms of an ecosystem through which food and energy are passed with each member becoming food for the next member of the chain.
