Plant Breeding
Plant Breeding: Overview
This Topic covers sub-topics such as Green Revolution, Plant Breeding, Monoculture, Biofortification, Hybridisation in Plants, Mutation Breeding, Fungal Diseases in Plants, Allopolyploidy, Bacterial Diseases in Plants, Autopolyploidy and, Hidden Hunger
Important Questions on Plant Breeding
In nematode resistant tobacco plants, genes are introduced via which of the following vectors:
Select any one plant that has been mutated to make it resistant to yellow mosaic virus:
One of the most important reasons why wild plants should thrive is that they are good sources of:
The chemical which are produced by host plants due to infection, as a defence reaction to pathogen, are called:
Which one is the wrong pairing for the disease and its causal organism?
Match the following lists:
|
List-I (Varieties of cereal) |
List-II (Developed in) |
||
| A) | IR8 | I) | Mexico |
| B) | Semidwarf wheat | II) | India |
| C) | Taichung Native-1 | III) | Philippines |
| D) | Ratna | IV) | Taiwan |
| V) | U. S. A |
The correct match is:
Match List-I (Crop) with List-II (Variety) and select the correct answer using the codes given below the lists:
| List I | List II | ||
| A | Pigeon-pea | 1 | Pusa 2-21 |
| B | Rice | 2 | Karan 521 |
| C | Maize | 3 | Bahar |
| D | Barley | 4 | Prabhat |
One of the following set represents the pest resistant varieties of Okra (Bhindi). Identify it –
Pusa Komal is a variety of cowpea is resistant to:
Norman Borlaug is associated with:
Which of the following is variety of chilli that shows resistance against chilli mosaic virus?
Breeding of crops that are rich in minerals, vitamins, good proteins, and healthier fats for human is called:
Find odd one w.r.t. green manures
Cereals and millets are mainly deficient in which amino acids?
Which of the following is a chemical mutagen?
Select the incorrect statement w.r.t. plant breeding
The crucial step for success of breeding experiments is
Atlas is nutritionally improved variety of wheat. It has high:
From a virus infected plant, we can obtain healthy plants by culturing its
Match the columns given below and choose the correct option:
| Column I (Variety) |
Column II (Resistance to disease) |
||
| a | Himgiri | i | Leaf curl |
| b | Pusa komal | ii | Hill bunt |
| c | Karan rai | iii | Bacterial blight |
| d | Pusa sadabahar | iv | White rust |
