Question

Choose the correct answer:

Q1. Ecosystem may be defined as

1. A species along with environment

2. Plants found in water

3. Plants found on land

4. Call plants and animals species along with environment

Q2. A pond / lake is

1. A biome

2. Unnatural ecosystem

3. An artificial ecosystem

4. Community of plants and animals only

Q3. Biome is

1. The fauna of an ocean

2. The Flora of land

3. Communities of organisms interacting with one another

4. The part of the earth and its atmosphere which is inhabited by living organisms

Q4. Grassland biome for its maintenance requires

1. Periodic fire

2. Intensive grazing

3. Mowing

4. All the above

Q6. Primary consumers in the detritus food chain are

1. Herbivorous
2. Bacteria and fungi

3. Insect Larva, nematodes

4. All the above

Q7. Total organic matter present in an ecosystem is called

1. Biomass

2. Biome

3. Litter

4. Food

Q8. Detritus food chain in comparison to grazing food chain is

1. Generally longer

2. Generally equal

3. Generally shorter

4. None of these

Q9. Putrefying organisms are

1. Producer organisms

2. Reducer organisms

3. Consumer organisms

4. Parasitic organisms

Q10. The most important organisms for an ecosystem are

1. Herbivorous

2. Carnivorous

3. Green plants

4. Protozoa

Q11. A peacock eats snakes which eat frog these eat hoppers which in turn thrive on

leaves of the plants, the peacock is

1. Primary consumer
2. Secondary consumer

3. Decomposer

4. Apex of the food pyramid

Q12. A food chain is

1. Group of organisms which eat the same type of food

2. Animals eating animals eating

3. Series of plants / animals which are interrelated in the form of organisms being eaten as

food by the other

4. None of these

Q13. A food chain consists of

1. Producers

2. Consumers

3. Decomposers

4. Producers and Consumers

Q14. Trophic leaves in a food chain are formed by

1. Producers

2. Consumers

3. Decomposers

4. All the above

Q15. Food chain always starts with

1. Photosynthesis

2. Respiration

3. Nitrogen fixation

4. Decay








please answer​

Answer 1

Answer:

1) 1,Species along with environment

2) 1.A biome

3)4. the part of the earth and its atmosphere which is inhabited by living organisms.

Answer 2

Answer:

don't known

Explanation: