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Name Any Five Hybrid Varieties of Crop Plants Which Have Been Developed in India - Biology

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प्रश्न

Name any five hybrid varieties of crop plants which have been developed in India.

उत्तर

The five hybrid varieties of crop plants which have been developed in India are:

Crop plant Hybrid variety
Wheat Sonalika and kalian sona
Rice Jaya and Ratna
Cauliflower Pusa shubra and Pusa snowball K-1
Cowpea Pusa komal
Mustard Pusa swarnim
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पाठ 9: Strategies for Enhancement in Food Production - Exercises [पृष्ठ १७८]

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एनसीईआरटी Biology [English] Class 12
पाठ 9 Strategies for Enhancement in Food Production
Exercises | Q 12 | पृष्ठ १७८

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संबंधित प्रश्‍न

What is 'tissue culture'?


Write the two limitations of traditional breeding technique that led to the promotion of micropropagation.


How are somatic hybrids obtained?


With advancements in genetics, molecular biology and tissue culture, new traits have been incorporated into crop plants. Explain the main steps in breeding a new genetic variety of a crop


Give two examples where micropropagation is commercially adopted


In the following questions/statements has four suggested answers. Rewrite the correct answer

Opening and closing of stomata is due to:

(A) Ca2+

(B) Na+

(C) K+

(D) Cl–


Give three anatomical differences between a monocot root and a dicot root


Give one significant contribution of the given scientists:

P. Maheshwari


You have obtained a high yielding variety of tomato. Name and explain the procedure that ensures retention of the desired characteristics repeatedly in large populations of future generations of the tomato crop.


Give one significant difference between :

ECG and EEG


Identify labels P, Q, R in the given figure of root showing different regions.


Which of the following helps bamboo and grasses to elongate?


Given below are a few statements regarding somatic hybridization. Choose the correct statements.

  1. protoplasts of different cells of the same plant are fused
  2. protoplasts from cells of different species can be fused
  3. treatment of cells with cellulase and pectinase is mandatory
  4. the hybrid protoplast contains characters of only one parental protoplast

What are the physical barriers of a cell in the protoplast fusion experiment? How are the barriers overcome?


What are the advantages of tissue culture methods over conventional method of plant breeding in crop improvement programmes?


Discuss how the property of plant cell totipotency has been utilised for plant propagation and improvement


Explain the concept of tissue culture.


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