Advertisements
Advertisements
प्रश्न
Give one example of a simple food chain.
Advertisements
उत्तर
Grass → Deer → Lio
(Producer) (Herbivore) (Carnivore)
APPEARS IN
संबंधित प्रश्न
List two important roles play in the environment by decomposers.
The following statement is true or false :
In biology, human beings are called producers.
Name the organisms belonging to the second and the fourth trophic levels in the food chain comprising the following :
Frogs, Plants, Snakes, Hawk, Insects
Fill in the following blank with suitable word :
In nature, all green plants are............ whereas animals are consumers.
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 |
The decomposers in an ecosystem ______.
What would happen to the number of grass plants and foxes if the number of rabbits decreased?
Name two predators of snakes in a food web operating in a forest ecosystem.
Which common pesticide has accumulated in human body in considerable amounts?
An aquatic food chain comprises of the organisms like tadpoles, weeds, fish and water beetles. The organism which gets the minimum energy through this food chain is :
(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
Arrange the following in a correct sequence and form a food chain
Human → Insect → Algae → Fish
Give some examples for Biodegradable and Non-biodegradable waste.
| S. No. | Biodegradable waste | Non-biodegradable waste |
| 1. | Food Waste | Plastic Bottles |
| 2. | ||
| 3. | ||
| 4. | ||
| 5. |
Each level in the food chain is called a ______ level.
Animals that eat both plants and animals are called as Carnivores.
What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger
DDT was sprayed in a lake to regulate breeding of mosquitoes. How would it affect the trophic levels in the following food chain associated with a lake? Justify your answer.
Use of several pesticides which results in excessive accumulation of pesticides in rivers of ponds, is a matter of deep concern. Justify this statement.
Which of the following statements is correct?
