Which of the following is biodegradable?

You can ........... plastic bags again and again until they get holes in them.

Energy efficient vehicles and appliances use.......

The major part of our rubbish is taken to...................

Gases that stop heat from escaping into space are called _______ gases.

The place in which a plant, animal, bird or fish normally lives is its ........

What is abiotic component of environment?

When is World Environment Day is celebrated?

Which is a threat to a environment

narrow zone where land water and air interact is called

Every food chain in the ecosystem begins with____which are the original source of food.

Which of the following are trophic levels? Choose 2 options:

Which among the following statements is incorrect in view of the plants?

All the interacting organisms in an area together with the non-living constituents of the environment form a/an __________.

As human beings occupy the top level in any food chain, the maximum concentration of these chemicals get accumulated in our bodies. This phenomenon is known as

Improvements in our life-style have resulted in greater amounts of:

What will happen if deer is missing in the food chain given above? Choose 2 correct options:

Which of the two belong to the same trophic level?

Human-made materials like ____ will not be broken down by the action of bacteria or other saprophytes.

There is ______ of energy as we go from one trophic level to the next

The natural environment consists of................................... .

1. Land,water, air, etc, comprise the ...................environment.

1. What is an abiotic component of environment?

Natural environment can be divided into............................types.

An artificial ecosystem is

Which of the following is a primary consumer in a grassland ecosystem?

What percentage of energy is passed on to next tropic level?

What is this called?

Which organism recieves the least amount of energy from the producer?

Consider the following food chain:

Algae > Mayfly > Minnow > Trout

In a polluted ecosystem, which organism is likely to have the HIGHEST level of toxic chemicals in its body?

What does the Ozone in the atmosphere do?

What damage can UV rays cause?

Identify the non- biodegradable substance from the following.

Every food chain in the ecosystem begins with____which are the original source of food.

Which among the following statements is incorrect in view of the plants?

All the interacting organisms in an area together with the non-living constituents of the environment form a/an __________.

As human beings occupy the top level in any food chain, the maximum concentration of these chemicals get accumulated in our bodies. This phenomenon is known as

Improvements in our life-style have resulted in greater amounts of:

What will happen if deer is missing in the food chain given above? Choose 2 correct options:

Fill in the empty slots below:

An ecosystem consists of abiotic components comprising physical factors like:

1. ___soil ___

2.___________

3.___________

4. _minerals_

6.___________

Human-made materials like ____ will not be broken down by the action of bacteria or other saprophytes.

There is ______ of energy as we go from one trophic level to the next

The problem caused due to ozone hole is

When is the world environment day celebrated?

Which of these does not belong to biotic component?

The transfer of energy in a food chain is always:

Which of the statements is incorrect?

Which of these organisms are the most important decomposers in an ecosystem?

The decomposers in an ecosystem

What is the job of a decomposer?

What are autotrophic organisms?

Temperature, light, water, soil, and air are all ________ parts of the environment