EASY
NEET
IMPORTANT
Earn 100

Which of the food chains will be represented by spindle-shaped pyramid of numbers?

47.06% studentsanswered this correctly

Important Questions on Ecosystem

EASY
NEET
IMPORTANT
_________conditions inhibit decomposition 
EASY
NEET
IMPORTANT
The most limiting nutrient of the marine ecosystem is
EASY
NEET
IMPORTANT
The annual net primary productivity of terrestrial surface is           (dry weight) of organic matter.
MEDIUM
NEET
IMPORTANT

In a comparative study of grassland ecosystem and pond ecosystem, it may be observed that

EASY
NEET
IMPORTANT
Secondary productivity is rate of formation of new organic matter by
EASY
NEET
IMPORTANT
The highest net annual productivity occurs in:
MEDIUM
NEET
IMPORTANT

Which one of the following is not a correct match of the term and its description?

(i) Ecosystem The functional unit of nature
(ii) Global ecosystem Entire biosphere
(iii) Aquatic ecosystem Wetland
(iv) Natural ecosystem Crop field
MEDIUM
NEET
IMPORTANT

Read the following statements on ecological succession.

(a) Both hydrarch and xerarch successions lead to hydric and xeric conditions, respectively.

(b) The species that invades a bare area is called a transitional community.

(c) Niche becomes specific and narrower.

(d) Mosses are pioneer communities in hydrarch succession.

How many of the above statements are not correct?