HARD
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Kangaroo rats are adapted for terrestrial life. How?

Important Questions on Organisms and Populations

EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Select the incorrect anatomical adaptation of Xerophytes among the following?
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Indicate the correct statement from the following
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors

Match the following:

  Set-I   Set-II
(A) Endosmosis (I) High altitude adaptation
(B) Exosmosis (II) Desert adaptation
(C) Metabolic water (III) Problem for fresh water animal
(D) Increase in the RBC production (IV) Problem for marine animals

The correct match is

EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Which of the following ecosystem has the maximum amount of biomass production?
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors

Following are the responses of different animals to various abiotic factors. Describe each one with the help of an example.

  • Migrate
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Which one of the following is a characteristic feature of cropland ecosystem?
HARD
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors

Hydrilla and Limnophila are examples for the following categories respectively,

i) Free-floating hydrophyte and rooted hydrophyte with floating leaves

ii) Submerged, suspended hydrophyte

iii) An amphibious plant

iv) Submerged, suspended hydrophyte and a free-floating hydrophyte

v) Submerged, rooted hydrophyte and an amphibious plant

The correct combination is

EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
The term ecosystem was coined by:
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Root does not help in the absorption of water in which of the following plant?
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Which of the following plant traits (characters) is NOT an adaptation to dry (Xeric) habitats?
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Who proposed that ecosystem is the symbol of structure and function of nature?
HARD
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
What do you mean by volant adaptations in animals? What is patagia? 
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Which of the following features of plants is not helpful in adapting to desert life?
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Which ONE of the following statements about ecosystem energetics is INCORRECT?
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Give three adaptations in organisms by which they avoid predation.
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
What are the structures on which the cockroach moves on the smooth surfaces and the rough surfaces, respectively?
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
By which the kangaroo rat of North American desert is capable of meeting all its water requirements?
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
How do terrestrial animals protect themselves from the danger of dehydration of bodies?
MEDIUM
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
How do the non-migratory animals overcome the unfavourable climatic conditions?
EASY
Biology>Ecology, Environment and Conservation>Organisms and Populations>Responses To Abiotic Factors
Consider the following four statements (A-D) about certain desert animals such as kangaroo rat.