Description : Difference between auxin and cytokinin? -Biology
Last Answer : answer:
Description : Which of the following statement is correct? (1) The causal organism for foolish seedling disease is the source of gibberellin (2) Abscisic acid is a growth promoter (3) The ratio of auxin : cytokinin control cell differentiation (4) Bolting of cabbage can be induced by treatment with IAA
Last Answer : Ans. ((d))
Description : Development of shoot and root is determined by: (a) Cytokinin and auxin ratio (b) Enzymes (c) Temperature (d) Plant nutrients
Last Answer : Ans. ((a))
Description : Hormone used in tissue culture for better growth is: (1) Auxin (2) Gibberellin (3) Cytokinin (4) Vernalin
Description : The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA
Description : Coconut milk is used in tissue culture in which present (a) cytokinin (b) auxin (c) gibberellin (d) ethylene.
Last Answer : (a) cytokinin
Description : Which of the following hormones can replace vernalisation? (a) Auxin (b) Cytokinin (c) Gibberellins (d) Ethylene
Last Answer : (c) Gibberellins
Description : Which is employed for artificial ripening of banana fruits? (a) Auxin (b) Coumarin (c) Ethylene (d) Cytokinin
Last Answer : (c) Ethylene
Description : Apical dominance is caused by (a) abscisic acid in lateral bud (b) cytokinin in leaf tip (c) gibberellin in lateral buds (d) auxin in shoot tip.
Last Answer : (d) auxin in shoot tip.
Description : The regulator which retards ageing/senescence of plant parts is (a) cytokinin (b) auxin (c) gibberellin (d) abscisic acid.
Description : Which hormone is responsible for fruit ripening? (a) Ethylene (b) Auxin (c) Ethyl chloride (d) Cytokinin
Last Answer : (a) Ethylene
Description : Hormone responsible for senescence is (a) ABA (b) auxin (c) GA (d) cytokinin.
Last Answer : (a) ABA
Description : Dwarfness can be controlled by treating the plant with (a) cytokinin (b) gibberellic acid (c) auxin (d) anti-gibberellin.
Last Answer : (b) gibberellic acid
Description : Differentiation of shoot is controlled by (a) high auxin : cytokinin ratio (b) high cytokinin : auxin ratio (c) high gibberellin : auxin ration (d) high gibberellin : cytokinin ratio.
Last Answer : (b) high cytokinin : auxin ratio
Description : Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone (a) auxin (b) cytokinin (c) ethylene (d) abscisic acid.
Last Answer : (a) auxin
Description : Coconut milk factor is (a) an auxin (b) a gibberellin (c) abscisic acid (d) cytokinin
Last Answer : (d) cytokinin.
Description : You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? ... gibberellin (b) Auxin and cytokinin (c) Auxin and abscisic acid (d) Gibberellin and abscisic acid
Last Answer : (b) Auxin and cytokinin
Description : It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield? ... (b) Auxin and Ethylene (c) Gibberellin and Cytokinin (d) Gibberellin and Abscisic acid
Last Answer : (b) Auxin and Ethylene
Description : Small cut pieces of soft stems are placed in growth medium with following plant hormones. Which combination of plant hormones will show slowest growth ? (1) Auxin + Cytokinin (2) Gibberellins + Auxin (3) Gibberellins + Cytokinin (4) Abscisic Acid + Auxin
Last Answer : (4) Abscisic Acid + Auxin
Description : Hormone pair required for a callus to differentiate is a. auxin and cytokinin b. auxin and ethylene c. auxin and abscisic acid d. cytokinin and gibberellins
Last Answer : a. auxin and cytokinin
Description : Phototropic movement is controlled by (1) Auxin (2) Gibberellin (3) Cytokinin (4) Ethylene
Last Answer : Auxin
Description : What are the functions of cytokinin in plants? -Biology
Description : Example of cytokinin. -Biology
Description : What is auxin in plants? -Biology
Description : How was auxin discovered? -Biology
Description : What does auxin do in plants? -Biology
Description : Where is auxin produced in a plant? -Biology
Description : What is the cytokinin hormone ?
Last Answer : cytokinin phyto hormone.
Last Answer : : Cytokinin causes cytokinesis in cells
Description : Which of the following is a cytokinin ?
Last Answer : Which of the following is a cytokinin ? A. Phytochrome B. Leucine C. Ethylene D. Zeatin
Description : Cytokinin is mainly synthesized in
Last Answer : Ans. Root tips
Description : _____ is concerned with cell division. (1) Maleic hydrazide (2) Gibberellin (3) Auxins (4) Cytokinin
Last Answer : (4) Cytokinin Explanation: Cytokinins are a group of hormones that promote cell division in plant roots and MOD shoots and the growth of buds Cytokinins increase cell division by stimulating the duction of proteins needed for mitosis.
Description : Which plant growth regulator is used for ripening? a) GA b) IBA c) Ethylene d) Cytokinin
Last Answer : c) Ethylene
Description : Hormone primarily connected with cell division is (a) IAA (b) NAA (c) cytokinin/zeatin (d) gibberellic acid.
Last Answer : (c) cytokinin/zeatin
Description : Which one of the following pairs, is not correctly matched? (a) Gibberellic acid - Leaf fall (b) Cytokinin - Cell division (c) IAA - Cell wall elongation (d) Abscissic acid - Stomatal closure
Last Answer : (a) Gibberellic acid - Leaf fall
Description : The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of (a) NAA, 2, 4-D (b) Phenyl acetic acid (c) Cytokinin (d) IAA, IBA.
Last Answer : a) NAA, 2, 4-D
Description : During seed germination, its stored food is mobilized by (a) ABA (b) gibberellin (c) ethylene (d) cytokinin.
Last Answer : (b) gibberellin
Description : Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop. (a) Cytokinin (b) Gibberellin (c) Ethylene (d) Abscisic acid
Last Answer : (b) Gibberellin
Description : What is the role of auxin in plants ?
Last Answer : The role of auxin in plants is as follows : Prevents premature fall of fruit. Helps to produce seedless fruit. Auxin is also used for seed germination and weed control.
Description : What kind of hormone is auxin ?
Last Answer : Auxin phytohormones.
Last Answer : : Axin is named after Haxon and Sneet
Last Answer : Charles Darwin discovers the hormone auxin
Last Answer : Auxin delays fruit release.
Description : Movement of auxin is
Last Answer : Movement of auxin is A. Centripetal B. Basipetal C. Acropetal D. Both (B)and (C)