Ecosystem

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Ecosystem - 01

For free study material visit - https://www.gurucoolclasses.com
For video lectures - https://www.youtube.com/c/gurucoolclasses
Mrs. Surabhi Mukherjee, (M.Sc., Biotechnology, B.Ed., gurucoolclasseslko@gmail.com)

Email *

Name of Student *

School and City *

Q1. All species of Lemur are endemic to which area? *

1 point

Madagascar

Seychelles Island

New Caledonia

Galapagos Island

Q2. The upper part of an aquatic ecosystem contains *

1 point

Nekton

Plankton

Benthos

both Nekton and Plankton

Q3. What type of food chain is it? dead animals → blowfly maggot → maggots → frog → snake *

1 point

Detrital food chain

Decomposer food chain

Grazing food chain

Predator food chain

Q4. Identify the mismatched pair *

1 point

Savanna – Acacia trees

Coniferous forest – Evergreen trees

Prairie – Epiphytes

Tundra – Permafrost

Q5. “The pyramid of energy is always upright” states that *

1 point

Energy conversion efficiency is the same in all trophic levels.

The energy conversion efficiency of carnivores is better than herbivores

Producers have the lowest energy conversion efficiency

The energy conversion efficiency of herbivores is better than carnivores

Q6. The population of birds declined in an area where DDT was extensively used. Why? *

1 point

The DDT spray killed all the birds

The eggs laid by the birds did not hatch

The snakes ate the eggs

The birds stopped laying eggs

Q7. Which of the following lake zones has phytoplanktons in abundance? *

1 point

Benthic zone

Profundal zone

Littoral zone

Limnetic zone

Q8. Plant species with a wide range of genetic distribution evolve into a local population known as *

1 point

Population

Ecosystem

Ecotype

Biome

Q9. dB is the abbreviation used for the quantitative expression of *

1 point

Density of bacteria in a medium

A pesticide

Dominant Bacillus in a culture

A Particular Pollutant

Q10. The eggshell of birds becomes thin by the pollution from pesticides due to the interference in the activity of *

1 point

MgATPase

Calmodulin

CaATPase

Calcium

A copy of your responses will be emailed to the address you provided.

Submit

Clear form

Never submit passwords through Google Forms.

reCAPTCHA

Privacy Terms

This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy

Forms