auxin🪀🍷🌺

Question 1

observed the process phototropism by

Answer 1

c darwin and f darwin

Question 2

1st observed in

Answer 2

canary grass responded to unilateral illumination

Question 3

tip of coleoptile was the site of

Answer 3

transmittable influence ie auxin causing bending of all coleoptile

Question 4

isolated by

Answer 4

fw went from tips o cpoleoptile of oat seed________________ 1st isolated from human urine

Question 5

biosynthesis of auixn

Answer 5

tryptophan amino acid + zn2+ ion

at both root apex and shoot; transport of auxin is polar

Question 6

natural auxin

Answer 6

iba- from plants

Question 7

most widely occuring in palnts

Answer 7

iaa

Question 8

syntheticc auxin

Answer 8

naa

2-4d

Question 9

syntheticc auxin used in

Answer 9

agri and horticulture

Question 10

decapicitation results in

widely applied in

Answer 10

growth of lateral buds

tea plantations, hedge making

Question 11

mainly helps the cell in

Answer 11

cell division and elongaltion;

also controls in xylem differentiation

Question 12

root initiation

Answer 12

promoted by iba and naaa

Question 13

prevent premature abscission of _____ leaves

promotes abscission of ______ leaves

Answer 13

plant organs

older leaves and fruits

Question 14

flower initiation

Answer 14

promotes flowering in pineapple and litchi

Question 15

parthenocarpy

Answer 15

seed less fruits– by spray iaa in tomato

Question 16

srlectiveweed killer; 2, 4-d widely
used to kill

2,4-d+2 , 4, 5-t

Answer 16

dicot weedsno monocot affectagent orangeeeee