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.

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.
by

1 Answer

Answer :

(d) auxin in shoot tip.
by

Related questions

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

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))

The regulator which retards ageing/senescence of plant parts is (a) cytokinin (b) auxin (c) gibberellin (d) abscisic acid.

Description : The regulator which retards ageing/senescence of plant parts is (a) cytokinin (b) auxin (c) gibberellin (d) abscisic acid.

Last Answer : (a) cytokinin

Coconut milk factor is (a) an auxin (b) a gibberellin (c) abscisic acid (d) cytokinin

Description : Coconut milk factor is (a) an auxin (b) a gibberellin (c) abscisic acid (d) cytokinin

Last Answer : (d) cytokinin.

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? (a) IAA and gibberellin (b) Auxin and cytokinin (c) Auxin and abscisic acid (d) Gibberellin and abscisic acid

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

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? (a) Cytokinin and Abscisic acid (b) Auxin and Ethylene(c) Gibberellin and Cytokinin (d) Gibberellin and Abscisic acid

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

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.

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

$ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is due to Apical dominance

Description : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is due to Apical dominance

Last Answer : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is ... is wrong D. If both As and R are wrong.

Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins- apical dominance (3) cytoldnins- senescence (4) gibberlins- bud and seed dormancy

Description : Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins- apical dominance (3) cytoldnins- senescence (4) gibberlins- bud and seed dormancy

Last Answer : (4) gibberlins- bud and seed dormancy Explanation: Abscisic acid is responsible for responsible for dormancy of various types. It maintains dormancy in seeds and buds, stimulates the closing of stomata. Gibberellins are responsible for cell division and growth in cell size.

Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins-apical dominance (3) cytokinins- senescence (4) gibberlins- bud and seed dormancy

Description : Which of the following plant hormones are incorrectly paired? (1) abscisic acid- transpiration (2) auxins-apical dominance (3) cytokinins- senescence (4) gibberlins- bud and seed dormancy

Last Answer : gibberlins- bud and seed dormancy

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

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

Dwarfness can be controlled by treating the plant with (a) cytokinin (b) gibberellic acid (c) auxin (d) anti-gibberellin.

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

Root development is promoted by (a) abscisic acid (b) auxin (c) gibberellin (d) ethylene

Description : Root development is promoted by (a) abscisic acid (b) auxin (c) gibberellin (d) ethylene

Last Answer : (d) ethylene.

Plants deficient of element zinc, show its effect on the biosynthesis of plant growth hormone (a) auxin (b) cytokinin (c) ethylene (d) abscisic acid.

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

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

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

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

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

How does pruning help in making the hedge dense? (a) It releases wound hormones. (b) It induces the differentiation of new shoots from the rootstock. (c) It frees axillary buds from apical dominance. (d) The apical shoot grows faster after pruning

Description : How does pruning help in making the hedge dense? (a) It releases wound hormones. (b) It induces the differentiation of new shoots from the rootstock. (c) It frees axillary buds from apical dominance. (d) The apical shoot grows faster after pruning

Last Answer : (c) It frees axillary buds from apical dominance.

Apical dominance lateral buds. -Biology

Description : Apical dominance lateral buds. -Biology

Last Answer : answer:

Apical dominance lateral buds. -Biology

Description : Apical dominance lateral buds. -Biology

Last Answer : answer:

________ can release lateral buds from apical dominance : a. Auxins b. Gibberellins c. Kinins d. None of above

Description : ________ can release lateral buds from apical dominance : a. Auxins b. Gibberellins c. Kinins d. None of above

Last Answer : Kinins

Hormone used in tissue culture for better growth is: (1) Auxin (2) Gibberellin (3) Cytokinin (4) Vernalin

Description : Hormone used in tissue culture for better growth is: (1) Auxin (2) Gibberellin (3) Cytokinin (4) Vernalin

Last Answer : Ans. ((d))

Coconut milk is used in tissue culture in which present (a) cytokinin (b) auxin (c) gibberellin (d) ethylene.

Description : Coconut milk is used in tissue culture in which present (a) cytokinin (b) auxin (c) gibberellin (d) ethylene.

Last Answer : (a) cytokinin

Phototropic movement is controlled by (1) Auxin (2) Gibberellin (3) Cytokinin (4) Ethylene

Description : Phototropic movement is controlled by (1) Auxin (2) Gibberellin (3) Cytokinin (4) Ethylene

Last Answer : Auxin

In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

Description : In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

Last Answer : In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

Description : In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

Last Answer : In higher plants the growing apical bud inhibits the growth of the lateral (axillary) buds, this phenomenon is called

If the apical bud has been removed then we observe (a) more lateral branches (b) more axillary buds (c) plant growth stops (d) flowering stops.

Description : If the apical bud has been removed then we observe (a) more lateral branches (b) more axillary buds (c) plant growth stops (d) flowering stops.

Last Answer : (a) more lateral branches

The length of different internodes in a culm of sugarcane is variable because of (a) size of leaf lamina at the node below each internode (b) intercalary meristem (c) shoot apical meristem (d) position of axillary buds.

Description : The length of different internodes in a culm of sugarcane is variable because of (a) size of leaf lamina at the node below each internode (b) intercalary meristem (c) shoot apical meristem (d) position of axillary buds.

Last Answer : (b) intercalary meristem

The length of different internodes in a culm of sugarcane is variable because of (a) size of leaf lamina at the node below each internode (b) intercalary meristem (c) shoot apical meristem (d) position of axillary buds.

Description : The length of different internodes in a culm of sugarcane is variable because of (a) size of leaf lamina at the node below each internode (b) intercalary meristem (c) shoot apical meristem (d) position of axillary buds.

Last Answer : (b) intercalary meristem

Development of shoot and root is determined by: (a) Cytokinin and auxin ratio (b) Enzymes (c) Temperature (d) Plant nutrients

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))

Abscisic acid controls (a) cell division (b) leaf fall and dormancy (c) shoot elongation (d) cell elongation and wall formation.

Description : Abscisic acid controls (a) cell division (b) leaf fall and dormancy (c) shoot elongation (d) cell elongation and wall formation.

Last Answer : b) leaf fall and dormancy

The PGR causes apical bud dominance

Description : The PGR causes apical bud dominance

Last Answer : Ans. Auxins

Mowing grass lawn facilitates better maintenance because (a) wounding stimulates regeneration (b) removal of apical dominance and stimulation of intercalary meristem (c) removal of apical dominance (d) removal of apical dominance and promotion of lateral meristem.

Description : Mowing grass lawn facilitates better maintenance because (a) wounding stimulates regeneration (b) removal of apical dominance and stimulation of intercalary meristem (c) removal of apical dominance (d) removal of apical dominance and promotion of lateral meristem.

Last Answer : (b) removal of apical dominance and stimulation of intercalary meristem

Removal of apical bud results in (a) formation of new apical bud (b) elongation of main stem(c) death of plant (d) formation of lateral branching.

Description : Removal of apical bud results in (a) formation of new apical bud (b) elongation of main stem (c) death of plant (d) formation of lateral branching.

Last Answer : d) formation of lateral branching.

Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Description : Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Last Answer : (c) apical meristem

Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Description : Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Last Answer : (c) apical meristem

In plants auxin are mainly present in: a. Root tips b. Stem end c. Shoot tips d. Leaf margins

Description : In plants auxin are mainly present in: a. Root tips b. Stem end c. Shoot tips d. Leaf margins

Last Answer : Shoot tips

Which of the following movement is not related to auxin level? (a) Bending of shoot towards light (b) Movement of root towards soil (c) Nyctinastic leaf movements (d) Movement of sunflower head tracking the sun

Description : Which of the following movement is not related to auxin level? (a) Bending of shoot towards light (b) Movement of root towards soil (c) Nyctinastic leaf movements (d) Movement of sunflower head tracking the sun

Last Answer : (c) Nyctinastic leaf movements

What is the site of perception of photoperiod necessary for induction of flowering in plants? (a) Leaves (b) Lateral buds (c) Pulvinus (d) Shoot apex

Description : What is the site of perception of photoperiod necessary for induction of flowering in plants? (a) Leaves (b) Lateral buds (c) Pulvinus (d) Shoot apex

Last Answer : (a) Leaves

_____ is concerned with cell division. (1) Maleic hydrazide (2) Gibberellin (3) Auxins (4) Cytokinin

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.

During seed germination, its stored food is mobilized by (a) ABA (b) gibberellin (c) ethylene (d) cytokinin.

Description : During seed germination, its stored food is mobilized by (a) ABA (b) gibberellin (c) ethylene (d) cytokinin.

Last Answer : (b) gibberellin

Phototropic movement is controlled by (1) Auxin (2) Gibberellin (3) Cytolthiin (4) Ethylene

Description : Phototropic movement is controlled by (1) Auxin (2) Gibberellin (3) Cytolthiin (4) Ethylene

Last Answer : (1) Auxin Explanation: Phototropism is the growth of organisms in response to light. In plants, phototropism is a response to blue wavelengths of light and is caused by a redistribution of auxin from ... in quicker growth on the darker side and bending of the shoot toward the source of light.

Phototropic curvature is the result of uneven distribution of (a) gibberellin (b) phytochrome (c) cytokinins (d) auxin.

Description : Phototropic curvature is the result of uneven distribution of (a) gibberellin (b) phytochrome (c) cytokinins (d) auxin.

Last Answer : (d) auxin.

The bud which develop into the axils of a leaf is a. Axillary buds b. Terminal buds c. Adventitious buds d. Naked buds

Description : The bud which develop into the axils of a leaf is a. Axillary buds b. Terminal buds c. Adventitious buds d. Naked buds

Last Answer : Axillary buds

In studies of trees, when three or more leaves and buds occur at each node, leaf arrangement and bud arrangement are said to be: a) whorled b) opposite c) alternate d) varying

Description : In studies of trees, when three or more leaves and buds occur at each node, leaf arrangement and bud arrangement are said to be: a) whorled b) opposite c) alternate d) varying

Last Answer : ANSWER: A -- WHORLED

Difference between auxin and cytokinin? -Biology

Description : Difference between auxin and cytokinin? -Biology

Last Answer : answer:

Difference between auxin and cytokinin? -Biology

Description : Difference between auxin and cytokinin? -Biology

Last Answer : answer:

The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA

Description : The hormone responsible for ripening of fruits is (a) Ethylene (b) Cytokinin (c) Auxin (d) ABA

Last Answer : Ans. ((a))

Which of the following hormones can replace vernalisation? (a) Auxin (b) Cytokinin (c) Gibberellins (d) Ethylene

Description : Which of the following hormones can replace vernalisation? (a) Auxin (b) Cytokinin (c) Gibberellins (d) Ethylene

Last Answer : (c) Gibberellins

Which is employed for artificial ripening of banana fruits? (a) Auxin (b) Coumarin (c) Ethylene (d) Cytokinin

Description : Which is employed for artificial ripening of banana fruits? (a) Auxin (b) Coumarin (c) Ethylene (d) Cytokinin

Last Answer : (c) Ethylene

Which hormone is responsible for fruit ripening? (a) Ethylene (b) Auxin (c) Ethyl chloride (d) Cytokinin

Description : Which hormone is responsible for fruit ripening? (a) Ethylene (b) Auxin (c) Ethyl chloride (d) Cytokinin

Last Answer : (a) Ethylene

Hormone responsible for senescence is (a) ABA (b) auxin (c) GA (d) cytokinin.

Description : Hormone responsible for senescence is (a) ABA (b) auxin (c) GA (d) cytokinin.

Last Answer : (a) ABA