Consider the following adaptations:
1. Diurnality2. Nocturnality3. Migration of birds
How many of the above is/are an example of Behavioral adaptation(s)?
(a)Only one
(b)Only two
(c)All three
(d)None
In which of the following areas the species adaptation is minimum?
(a) Equatorial.
(b) Savanna.
(c) Tundra.
(d) Monsson.
Which of the following/s can be considered as techniques for Physiological Adaptation?
(a)Hibernation
(b)Aestivation
(c)Dormancy
(d)All of the above
Consider the following statements with regard to the adaptation:
1. Bears hibernate in winter to escape the cold temperatures and preserve energy is an example of Behavioural Adaptation.2. A penguin has blubber to protect itself from freezing temperatures is an example of Structural Adaptation.3. Snakes produce poisonous venom to ward off predators and capturing prey is an example of Physiological Adaptation.
Which of the statement(s) given above is/are correct?
(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3
Which of the following is/are examples of the adaptation?
1. The kangaroo rat in North American deserts is capable of meeting all its water requirements through its internal fat oxidation.2. Many desert plants have a thick cuticle on their leaf surfaces and have their stomata arranged in deep pits.3. Mammals from colder climates generally have shorter ears and limbs.
Select the answer using the codes given below:
(c)1, 2 and 3
(d)1 and 3 only
Choose the correct matching from the codes given below:
Choose the correct option:
(a)1-a, 2-b, 3-c
(b)1-a, 2-c, 3 -b
(c)1-b, 2-a, 3-c
(d)1-c, 2-b, 3-a
Consider the following statements:
Statement (I): Some deciduous trees shed their leaves at a specific time, often during the fall season.Statement (II): The shedding of leaves is an adaptation to conserve water during unfavorable seasons.
Which one of the following is correct in respect of the above statements?
(a)Both Statement-I and Statement-II are correct and Statement II is the correct explanation for Statement-I
(b)Both Statement-I and Statement-II are correct and Statement II is not the correct explanation for Statement-I
(c)Statement-I is correct but Statement II is incorrect
(d)Statement-I is incorrect but Statement-II is correct
Which of the following statements are true about the adaptation of plants and animals in tundra ecosystems?
(a)Tundra plants often have shallow root systems due to the presence of permafrost.
(b)Some tundra animals, such as the Arctic ground squirrel, are not adapted to hibernate during the winter months.
(c)Tundra animals have thin fur and sparse underfur that provide insulation against the cold and wind.
(d)Tundra animals have not developed behavioral adaptations to conserve heat, such as huddling together for warmth or seeking shelter in burrows or dens.
Statement I:-
Statement II:-
(a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I
(b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I
(c)Statement-I is correct but Statement-II is incorrect
Which of the following statements accurately describes an adaptation of mangroves to their unique habitat?
(a)Mangroves absorb freshwater through their submerged roots in saline conditions.
(b)Mangroves engage in aerobic respiration to cope with oxygen deficiency in waterlogged soils.
(c)Pneumatophores, or Blind roots, assist mangroves in overcoming the challenge of anaerobic respiration.
(d)Adventitious roots are specialized for efficient nutrient absorption in non-saline environments
Mimicry is a characteristic feature of insects in which one organism copies another organism, appearance, color, and structure. Discuss. (10 Marks/150 Words)
Give an account of adaptation in hydrophytes and adaptation in xerophytes. (10 Marks/150 Words)