Advertisements
Advertisements
प्रश्न
In a food chain of frog, grass, insect and snake, assign trophic level to frog.
In a food chain of frogs, grass, insects and snakes assign trophic level to frogs. To which category of consumers do they belongs to?
Advertisements
उत्तर
Grass → Insect → Frog → Snake
Frog is a secondary consumer.
संबंधित प्रश्न
In the following food chain, 20,000 J of energy was available to the plants. How much energy would be available to man in this chain?
Plants → Sheep → Man
At which trophic level a person is feeding when he is eating bread.
Which of the following represents a possible food chain found in a pond :
| Primary producers |
Primary consumers | Secondary consumers |
| (a) green algae | fish | mosquito larvae |
| (b) fish | green algae | mosquito larvae |
| (c) mosquito larvae | fish | green algae |
| (d) green algae | mosquito larvae | fish |
What would happen to the number of rabbits and grass plants if the number of foxes decreased?
In addition to wheat plants, a crop field ecosystem has organisms such as snake, peacock, eagle and mice. If the wheat plants are sprayed with pesticides periodically, which of the following will have the minimum concentration of pesticides in the body?
(a) snake
(b) eagle
(c) mice
(d) peacock
Give one example of a food chain in an aquatic ecosystem?
In an ecosystem, herbivores represent ______.
In the given food chain, suppose the amount of energy at the fourth trophic level is 5 kJ, what will be the energy available at the producer level?
Grass → Grasshopper → Frog → Snake → Hawk
Assertion (A): The energy which passes to the herbivores does not come back to autotrophs.
Reason (R): The flow of energy in a food chain is unidirectional.
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
