Match the following concerning the activity/function and the phytohormone involved:- (a) Fruit ripener (i) Abscisic acid (b) Herbicide (ii) GA 3 (c) Bolting agent (iii) 2 , 4 - D (d) Stress hormone (iv) Ethephon Select the correct option from following:-

( a ) - ( iv ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( iv ) , ( b ) - ( ii ) , ( c ) - ( i ) , ( d ) - ( iii )

The gaseous plant growth regulator is used in plants to:

promote root growth and roothair formation to increase the absorption surface

kill dicotyledonous weeds in the fields

Match the following concerning the activity/function and the phytohormone involved:- (a) Fruit ripener (i) Abscisic acid (b) Herbicide (ii) GA 3 (c) Bolting agent (iii) 2 , 4 - D (d) Stress hormone (iv) Ethephon Select the correct option from following:-

( a ) - ( iv ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( ii ) , ( b ) - ( iii ) , ( c ) - ( iv ) , ( d ) - ( i )

( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( iv ) , ( b ) - ( ii ) , ( c ) - ( i ) , ( d ) - ( iii )

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET Phase 2 (14 October 2020)>Q 8

EASY

NEET

IMPORTANT

Earn 100

Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:

40.91% studentsanswered this correctly

Important Questions on Plant Growth and Development

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET Phase 2 (14 October 2020)>Q 9

Match the following concerning the activity/function and the phytohormone involved:-

(a)	Fruit ripener	(i)	Abscisic acid
(b)	Herbicide	(ii)	${GA}_{3}$
(c)	Bolting agent	(iii)	$2, 4 - D$
(d)	Stress hormone	(iv)	Ethephon

Select the correct option from following:-

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 13th September 2020>Q 10

Which of the following is not an inhibitory substance governing seed dormancy?

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 13th September 2020>Q 11

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 13th September 2020>Q 12

The process of growth is maximum during

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 5th May 2019>Q 14

It takes a 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?

EASY

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 7th May 2017>Q 15

Fruit and leaf drop at early stages can be prevented by the application of

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 24th July 2016>Q 16

You are given tissue with its potential for differentiation in artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?

MEDIUM

NEET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Chapter 15 - Plant Growth and Development>NEET - 1st May 2016>Q 18

The Avena curvature is used for bioassay of: