Consider the following four conditions (I-IV) and select the correct pair of them as adaptation to environment in desert lizards.
The conditions:
I. Burrowing in soil to escape high temperature
II. Losing heat rapidly from the body during high temperature
III. Bask in sun when temperature is low
IV. Insulating body due to thick fatty dermis
1. (I) and (III)
2. (II) and (IV)
3. (I) and (II)
4. (III) and (IV)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following four statements (i-iv) about certain desert animals such as
kangaroo rat.
(i) they have dark colour and high rate of reproduction and excrete solid urine.
(ii) they do not drink water, breathe at a slow rate to conserve water and have their
body
covered with thick hairs.
(iii) they feed on dry seeds and do not require drinking water
(iv) they excrete very concentrated urine and do not use water to regulate body
temperature.
Which two of the above statements for such animals are true?
1. iii and iv
2. ii and iii
3. iii and i
4. i and ii
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFind out false one:
(1) Mammals from colder climate generally have shorter ears and limbs to minimise heat loss
(2) All organisms have behavioural adaptations that allow them to respond quickly to a stressful situation
(3) Some organisms possess adaptations that are physiological which allow them to respond quickly to a stressful situation
(4) A large variety of invertebrates and fish live at great depths in the ocean where the pressure could be > 100 times than the normal atmospheric pressure
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is false with respect to adaptations?
(1) Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
(2) Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata close during day
(3) Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
(4) All adaptations are genetically fixed all organisms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMigration is what kind of adaptation?
1. Physiological
2. Behavioural
3. Biochemical
4. Physical
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFind the wrong match.
1. Kangaroo Rat: Internal Fat Oxidation
2. Opuntia: Morphological Adaptation
3. Fishes at ocean bottom: Anatomical Adaptation
4. Desert Lizards: Behavioural Adaptation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Smaller animals have a higher metabolic rate |
2. | Small animals have a lower O2 requirement |
3. | The efficiency of muscles in large animals is less than, in the small animals |
4. | It is easier to carry a small body weight |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyI. | Burrowing in soil to escape high temperature |
II. | Losing heat rapidly from the body during high temperature |
III. | Bask in the sun when the temperature is low |
IV. | Insulating body due to the thick fatty dermis |
1. | (I) and (III) | 2. | (II) and (IV) |
3. | (I) and (II) | 4. | (III) and (IV) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyState True (T) or False (F) for the following statements and select the correct option
a. Mammals from colder climates generally have smaller ears and limbs to minimize the heat loss.
b. Experience of altitude sickness is due to high atmospheric pressure at high altitudes.
c. The size of a population for any species is not a static parameter.
d. Resources for growth for most of the animal population are infinite and become limiting sooner or later.
a b c d
1. T T T T
2. F T T F
3. F F F F
4. T F T F
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologybehavioural means to cope environmental variations include
1 secretion of solid urine by a kangaroo rat
2 increase in red blood cell production at high altitude
3 desert lizard basks in the sunlight when temperature drops below the comfort zone
4 leaves reduced to spines in opuntia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology