EASY
Earn 100

The first stage in a xerosere is:

50% studentsanswered this correctly

Important Questions on Ecosystem

MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession
Choose the right sequence of hydrarch succession from the following:
EASY
Biology>Ecology>Ecosystem>Ecological Succession
In hydroseric succession, which stage comes just before sedge meadow stage?
MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession

Match the following?

Column I Column II
(a) Predictable change in species composition (i) Equilibrium
(b) Climax community (ii) Seral stages
(c)  Entire sequence community (iii) Ecological succession
(d) Transitional community (iv) Sere
    (v)  Succession

 

HARD
Biology>Ecology>Ecosystem>Ecological Succession
What is ecological succession? Describe primary and secondary succession.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession
During ecological succession:
HARD
Biology>Ecology>Ecosystem>Ecological Succession
What is the difference between hydrarch succession and xerarch succession.
HARD
Biology>Ecology>Ecosystem>Ecological Succession

Assertion (A): A primary succession is more common than secondary succession.

Reason (R): Biogeochemical cycling is absent in secondary succession.

HARD
Biology>Ecology>Ecosystem>Ecological Succession
Define ecological succession. Describe the general process of plant succession with example.
MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession

Match the following lists:

  List-I   List-II
(A) Rooted hydrophyte with floating leaves (I) Limnophila
(B) Submerged suspended hydrophyte (II) Vallisneria
(C) Free floating hydrophyte (III) Utricularia
(D) Amphibious plant (IV) Victoria regia
    (V) Salvinia

The correct match is:

EASY
Biology>Ecology>Ecosystem>Ecological Succession
A violent volcanic eruption wiped out most of the life forms in an island. Over different forms of simple organisms colonised this region, followed by the emergence of other organisms such as shrubs, woody plants, invertebrates and mammals. This ecological process is referred to as
MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession
Define ecological succession.
EASY
Biology>Ecology>Ecosystem>Ecological Succession
The organisms which invade a bare area to initiate an ecological succession are known as
HARD
Biology>Ecology>Ecosystem>Ecological Succession
Explain the different stages of biotic succession on bare rock.
EASY
Biology>Ecology>Ecosystem>Ecological Succession

During ecological succession

EASY
Biology>Ecology>Ecosystem>Ecological Succession
Lichens and Mosses are the stages of which type of succession?
HARD
Biology>Ecology>Ecosystem>Ecological Succession
What type of ecological pyramid would be obtained with following data?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g
EASY
Biology>Ecology>Ecosystem>Ecological Succession
What is Ecological succession? How Hydrarch succession is different from Xerarch succession?
EASY
Biology>Ecology>Ecosystem>Ecological Succession
Ecological succession is
MEDIUM
Biology>Ecology>Ecosystem>Ecological Succession
Choose the incorrect statements.
A) Pollinators play significant role in the production of food crops.
B) One of the threats to pollinators is habitat destruction by land use.
C) The climax community remain stable as long as environment is changing with adoptions.
D) Secondary succession will be a slow process compared to the primary succession.
EASY
Biology>Ecology>Ecosystem>Ecological Succession
Secondary succession takes place on/in: