36. Ecosystem

Question 1

The term ecosystem was coined by

Answer 1

Sir arthur tansley

Question 2

Father of ecosystem ecology

Answer 2

Eugene p odum

Question 3

Which of the following is the most stable ecosystem
a) forest
b) dessert
c) mountain
d) ocean

Answer 3

Ocean

Question 4

In a comparative study of grassland ecosystem and pond ecosystem it may be observed that
a) the biotic components are almost similar
b) the abiotic components are almost similar
C) both the biotic and abiotic components are different
d) primary and secondary consumers are similar

Answer 4

Ans c

Question 5

Cycling of matter takes place between

Answer 5

Biotic and abiotic components

Question 6

Which among the following is/are abiotic factors
a) inorganic material
b)climatic factors
c) dead organic matter
d) all the bove

Answer 6

All the above

Question 7

Which one of the following is not belongs to producers
a) spirogyra
b) agaricus
c) volvox
d) Nostoc

Answer 7

Agaricus

Question 8

First plants appear on a badly burnt forest area will be
1. Mosses
2. Ferns
3. Liverworts
4. Grasses

Answer 8

Ferns

Question 9

The phosphorus cycle is unusual in that it is entirely
1. Gaseous cycle
2. Sedimentary cycle
3. Within terrestrial ecosystem
4. Within aquatic ecosystem

Answer 9

Sedimentary cycle