Q. 75.0( 1 Vote )

Vikash went to vegetable market with his elder sister, a M.Sc. Botany student. There he saw many varieties of different vegetables such as different kinds of chillies (short, long, round, pungent, less pungent, green, reddish, orange), several varieties of potato and tomatoes. He asked his sister the following questions:

(i) What is the need of producing so many varieties of different crop plants.

(ii)What is the name of branch of science which deals with crop improvement?

(iii) What are the methods used by plant breeders?

(iv) What is hybridization?

Answer :

(i) There exists a great variety of agro climatic conditions and different varieties of a vegetable are suitable for preparing different food items. A particular variety of a crop plant generally gives good yield in a particular set of agro climatic conditions. Therefore, different varieties with varying traits are produced in keeping in view the agro climatic conditions and market demands.

(ii) Plant breeding ( a branch of Genetics).

(iii) Techniques of plant breeders include following steps:

(a) Introduction

(b) selection

(c) Hybridization

(d) Recombinant DNA Technology or Genetic Engineering by which GM crops of genetically modified crops are produced.

(iv) Hybridization is a technique in which the two plants having the desired characters are made to cross and develop hybrid seeds. These seeds are used and hence modified breed of the desired plants are obtained.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
The Demand of Increasing Population41 mins
NCERT | People as Resources51 mins
Estimating the power of a common man50 mins
Recently facts of 5th state of Matter: Bose Einstein Condensate52 mins
Units to measure Temperature46 mins
Matter and Its Classification34 mins
Champ Quiz | The Five Kingdoms45 mins
Be a Crackerjack of Pradeep's H.O.T.S. on Matter49 mins
Master Pradeep's Analytical Skill Questions36 mins
Quiz | Variation in 'g' in One Shot34 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

What is HYV?

Dr. P.S. Verma & Dr. V.K. Agarwal - Biology

Describe the mechanism of crop variety improvement.

Dr. P.S. Verma & Dr. V.K. Agarwal - Biology

Kranti, Pusa Agrani and pusa bold are improved varieties of

Dr. P.S. Verma & Dr. V.K. Agarwal - Biology