MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 4,500 off
USE CODE: Venkat30

Solved Examples on Plant Growth and Development

Question1: One of the synthetic auxin is [CBSE PMT’2009]

(a) IAA

(b) GA

(c) IBA

(d) NAA

Answer: d

Solution:

NAA is a synthetic auxin. Some of the most widely used weed killers are synthetic auxins. Synthetic auxin analogs include 1-naphthaleneacetic acid (NAA), 2,4-dichlorophenoxy acetic acid (2,4-D) and 2,4,5-trichlorophenoxy acetic acid (2,4,5-T).

Question2: Which one of the following acids is a derivative of carotenoids? [CBSE PMT’2009]

(a) IAA

(b) GA

(c) Abscisic acid

(d) IBA

Answer: c

Solution:

ABA also known as abscisin II and dormin is a plant hormone. It functions in many plant developmental processes, including bud dormancy. ABA is a derivative of carotenoids. It was called abscisin II originally because it was thought to play a major role in abscisision of fruits. At about the same time another group was calling it ‘dormin’ because they thought it had a major role in bud dormancy. The name ABA was coined by a compromise between the two groups.

Question3: Phototrophic curvature is the result of uneven distribution of [CBSE PMT’2010]

(a)...

  • Complete AIPMT/AIIMS Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 4,500 off
USE CODE: Venkat30