Cytokinins
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337900 Cytokinins help to produce

1 New leaves and chloroplast in leaves
2 Lateral shoot
3 Adventitious shoot
4 All of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337901 Match the columns I and II.
Column I
Column II
A
Auxins
P
Kinetin
B
Gibberellins
Q
Isolated from human urine
C
Cytokinins
R
Increase in length of axis

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337902 Identify the correct statement
I. Natural cytokinins are synthesised in regions where rapid cell division occurs
II. In tissue culture both auxin and cytokinins are used for growth and differentiation.
III. In callus, root regenration is promoted by auxin.
IV. Cytokinins play a vital role in morphogenesis in plants.

1 I, II and III
2 Only IV
3 III and IV
4 All are correct
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337903 Assertion :
Cytokinins are anti-senescent
Reason :
Effects of cytokinins in antagonistic to ethylene.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337900 Cytokinins help to produce

1 New leaves and chloroplast in leaves
2 Lateral shoot
3 Adventitious shoot
4 All of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337901 Match the columns I and II.
Column I
Column II
A
Auxins
P
Kinetin
B
Gibberellins
Q
Isolated from human urine
C
Cytokinins
R
Increase in length of axis

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337902 Identify the correct statement
I. Natural cytokinins are synthesised in regions where rapid cell division occurs
II. In tissue culture both auxin and cytokinins are used for growth and differentiation.
III. In callus, root regenration is promoted by auxin.
IV. Cytokinins play a vital role in morphogenesis in plants.

1 I, II and III
2 Only IV
3 III and IV
4 All are correct
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337903 Assertion :
Cytokinins are anti-senescent
Reason :
Effects of cytokinins in antagonistic to ethylene.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337900 Cytokinins help to produce

1 New leaves and chloroplast in leaves
2 Lateral shoot
3 Adventitious shoot
4 All of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337901 Match the columns I and II.
Column I
Column II
A
Auxins
P
Kinetin
B
Gibberellins
Q
Isolated from human urine
C
Cytokinins
R
Increase in length of axis

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337902 Identify the correct statement
I. Natural cytokinins are synthesised in regions where rapid cell division occurs
II. In tissue culture both auxin and cytokinins are used for growth and differentiation.
III. In callus, root regenration is promoted by auxin.
IV. Cytokinins play a vital role in morphogenesis in plants.

1 I, II and III
2 Only IV
3 III and IV
4 All are correct
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337903 Assertion :
Cytokinins are anti-senescent
Reason :
Effects of cytokinins in antagonistic to ethylene.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337900 Cytokinins help to produce

1 New leaves and chloroplast in leaves
2 Lateral shoot
3 Adventitious shoot
4 All of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337901 Match the columns I and II.
Column I
Column II
A
Auxins
P
Kinetin
B
Gibberellins
Q
Isolated from human urine
C
Cytokinins
R
Increase in length of axis

1 \(\mathrm{A}-\mathrm{R}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{Q}\)
2 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{P}\)
3 \(\mathrm{A}-\mathrm{P}, \mathrm{B}-\mathrm{R}, \mathrm{C}-\mathrm{Q}\)
4 \(\mathrm{A}-\mathrm{Q}, \mathrm{B}-\mathrm{P}, \mathrm{C}-\mathrm{R}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337902 Identify the correct statement
I. Natural cytokinins are synthesised in regions where rapid cell division occurs
II. In tissue culture both auxin and cytokinins are used for growth and differentiation.
III. In callus, root regenration is promoted by auxin.
IV. Cytokinins play a vital role in morphogenesis in plants.

1 I, II and III
2 Only IV
3 III and IV
4 All are correct
BIOXI15: PLANT GROWTH AND DEVELOPMENT

337903 Assertion :
Cytokinins are anti-senescent
Reason :
Effects of cytokinins in antagonistic to ethylene.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.