EASY
Earn 100

Which of the following organisms has a thick skin ?

50% studentsanswered this correctly

Important Questions on Organisms and Populations

HARD
What do you mean by volant adaptations in animals? What is patagia? 
EASY
While adjusting to varying environmental temperature, plants incorporate in their plasma membrane
EASY
Root does not help in the absorption of water in which of the following plant?
MEDIUM

Match List-I with List-II.

List-I List-II
(a) Allen's Rule (i) Kangaroo rat
(b) Physiological adaptation (ii) Desert lizard
(c) Behavioural adaptation (iii) Marine fish at depth
(d) Biochemical adaptation (iv) Polar seal
EASY

Match the following. The correct combinations are

List I List II List III
(a) Diapause (i) Temperature variations with seasonal changes (p) Temperature lake
(b) Cyclomorphosis (ii) Light produced by living organisms (q) Insects
(c) Thermal stratification (iii) Inactiveness (r) Pyrosoma
(d) Bioluminescence (iv) Seasonal morphological variations (s) Daphnia

 

EASY

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
Select the incorrect anatomical adaptation of Xerophytes among the following?
MEDIUM
Study the following statements regarding adaptations in freshwater habitat
I. Amoeba has contractile vacuole.
II. Glomerular kidneys in freshwater fishes.
III. Sponges form gemmules.
IV. Neoceratodus forms a gelatinous cocoon.
Among the above, the correct statements are
MEDIUM
Indicate the correct statement from the following
EASY
Assertion (A): Desert Plants have sunken stomata
Reason (R): To enhance transpiration in desert plants
EASY
Which of the following plant traits (characters) is NOT an adaptation to dry (Xeric) habitats?
MEDIUM
Give three adaptations in organisms by which they avoid predation.
HARD

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
Which of the following features of plants is not helpful in adapting to desert life?
MEDIUM
Adaptations to plants against dry environmental conditions is/are:
EASY
Discuss the various types of adaptation in freshwater animals.
HARD
Match the following column
 
   Column I    Column II
 a. Oxylophytes  (i) Calcium rich soils
 b. Eremophytes  (ii) Waste land
 c. Chersophytes  (iii) Deserts, steppes
 d. Calciphytes  (iv) Acidic soils