Adaptations
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NEET DIGITAL LIBRARY
BIOXII13: ORGANISMS AND POPULATION

343979 Match the type of adaptation given in Column-I with their examples given in Column-II. Select the option showing correct combination.
Choose the correct option from the following:
Column I
Column II
A
Biochemical adaptation
P
Desert lizards
B
Behavioural adaptation
Q
Deep sea fishes
C
Physiological adaptation
R

Opuntia
D
Morphological adaptation
S
Kangaroo rats

1 \({\rm{A - Q,B - R,C - S,D - P}}\)
2 \({\rm{A - P,B - Q,C - R,D - S}}\)
3 \({\rm{A - Q,B - P,C - S,D - R}}\)
4 \({\rm{A - S,B - R,C - Q,D - P}}\)
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION

343980 Which of the following statement is false w.r.t adaptation?

1 All adaptations are generally fixed in all organisms.
2 Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
3 Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata to close during day
4 Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
BIOXII13: ORGANISMS AND POPULATION

343981 Match the columns I and II.
Column I
Column II
A
North American deserts
P
CAM
B
Opuntia
Q
Internal fat oxidation
C
Desert lizards
R
Bask in the sun
D
Allen’s rule
S
Mammals from colder climates

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{Q}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{S}\)
BIOXII13: ORGANISMS AND POPULATION

343982 Consider the following four (I-IV) statements about certain desert animals such as kangaroo rat :
I. They have dark colour and high rate of reproduction and excrete liquid urine
II. They do not drink water, breathe at a fast 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
Which of the above statements for such animals are true?

1 III and I
2 I and II
3 III and IV
4 II and III
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BIOXII13: ORGANISMS AND POPULATION

343979 Match the type of adaptation given in Column-I with their examples given in Column-II. Select the option showing correct combination.
Choose the correct option from the following:
Column I
Column II
A
Biochemical adaptation
P
Desert lizards
B
Behavioural adaptation
Q
Deep sea fishes
C
Physiological adaptation
R

Opuntia
D
Morphological adaptation
S
Kangaroo rats

1 \({\rm{A - Q,B - R,C - S,D - P}}\)
2 \({\rm{A - P,B - Q,C - R,D - S}}\)
3 \({\rm{A - Q,B - P,C - S,D - R}}\)
4 \({\rm{A - S,B - R,C - Q,D - P}}\)
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION

343980 Which of the following statement is false w.r.t adaptation?

1 All adaptations are generally fixed in all organisms.
2 Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
3 Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata to close during day
4 Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
BIOXII13: ORGANISMS AND POPULATION

343981 Match the columns I and II.
Column I
Column II
A
North American deserts
P
CAM
B
Opuntia
Q
Internal fat oxidation
C
Desert lizards
R
Bask in the sun
D
Allen’s rule
S
Mammals from colder climates

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{Q}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{S}\)
BIOXII13: ORGANISMS AND POPULATION

343982 Consider the following four (I-IV) statements about certain desert animals such as kangaroo rat :
I. They have dark colour and high rate of reproduction and excrete liquid urine
II. They do not drink water, breathe at a fast 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
Which of the above statements for such animals are true?

1 III and I
2 I and II
3 III and IV
4 II and III
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BIOXII13: ORGANISMS AND POPULATION

343979 Match the type of adaptation given in Column-I with their examples given in Column-II. Select the option showing correct combination.
Choose the correct option from the following:
Column I
Column II
A
Biochemical adaptation
P
Desert lizards
B
Behavioural adaptation
Q
Deep sea fishes
C
Physiological adaptation
R

Opuntia
D
Morphological adaptation
S
Kangaroo rats

1 \({\rm{A - Q,B - R,C - S,D - P}}\)
2 \({\rm{A - P,B - Q,C - R,D - S}}\)
3 \({\rm{A - Q,B - P,C - S,D - R}}\)
4 \({\rm{A - S,B - R,C - Q,D - P}}\)
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION

343980 Which of the following statement is false w.r.t adaptation?

1 All adaptations are generally fixed in all organisms.
2 Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
3 Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata to close during day
4 Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
BIOXII13: ORGANISMS AND POPULATION

343981 Match the columns I and II.
Column I
Column II
A
North American deserts
P
CAM
B
Opuntia
Q
Internal fat oxidation
C
Desert lizards
R
Bask in the sun
D
Allen’s rule
S
Mammals from colder climates

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{Q}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{S}\)
BIOXII13: ORGANISMS AND POPULATION

343982 Consider the following four (I-IV) statements about certain desert animals such as kangaroo rat :
I. They have dark colour and high rate of reproduction and excrete liquid urine
II. They do not drink water, breathe at a fast 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
Which of the above statements for such animals are true?

1 III and I
2 I and II
3 III and IV
4 II and III
NEET DIGITAL LIBRARY
BIOXII13: ORGANISMS AND POPULATION

343979 Match the type of adaptation given in Column-I with their examples given in Column-II. Select the option showing correct combination.
Choose the correct option from the following:
Column I
Column II
A
Biochemical adaptation
P
Desert lizards
B
Behavioural adaptation
Q
Deep sea fishes
C
Physiological adaptation
R

Opuntia
D
Morphological adaptation
S
Kangaroo rats

1 \({\rm{A - Q,B - R,C - S,D - P}}\)
2 \({\rm{A - P,B - Q,C - R,D - S}}\)
3 \({\rm{A - Q,B - P,C - S,D - R}}\)
4 \({\rm{A - S,B - R,C - Q,D - P}}\)
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION

343980 Which of the following statement is false w.r.t adaptation?

1 All adaptations are generally fixed in all organisms.
2 Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata
3 Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata to close during day
4 Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)
BIOXII13: ORGANISMS AND POPULATION

343981 Match the columns I and II.
Column I
Column II
A
North American deserts
P
CAM
B
Opuntia
Q
Internal fat oxidation
C
Desert lizards
R
Bask in the sun
D
Allen’s rule
S
Mammals from colder climates

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
2 \(\mathrm{A}-\mathrm{S}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}, \mathrm{D}-\mathrm{Q}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}, \mathrm{D}-\mathrm{S}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}, \mathrm{D}-\mathrm{S}\)
BIOXII13: ORGANISMS AND POPULATION

343982 Consider the following four (I-IV) statements about certain desert animals such as kangaroo rat :
I. They have dark colour and high rate of reproduction and excrete liquid urine
II. They do not drink water, breathe at a fast 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
Which of the above statements for such animals are true?

1 III and I
2 I and II
3 III and IV
4 II and III
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