Identify the option where all columns are not correctly matched:
Crop Variety Resistant to
1. Wheat Himgiri Leaf rust
2. Brassica Pusa Swarnim White rust
3. Cowpea Pusa komal Black rot
4. Chilli Pusa sadabahar Leaf curl
In mung bean the resistance to yellow mosaic virus and powdery mildew were introduced by:
1. Mutations
2. Hybridization
3. Tissue culture
4. Genetic engineering
Pusa Shubhra, an improved variety of cauliflower, is resistant to:
1. White rust
2. Bacterial blight
3. Black rot
4. Leaf curl
Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I |
Column II |
I. Pusa Swarnim II. Pusa Shubhra III. Pusa Komal IV. Pusa Sawani |
1. Cauliflower 2. Brassica 3. Okra 4. Cow pea |
Codes
I II III IV
1. 1 2 3 4
2. 2 1 4 3
3. 2 1 3 4
4. 1 2 4 3
Which one is the wrong pairing for the disease and its causal organism?
(1) late blight of potato-Alternaria solani
(2) Black rust of wheat-Puccinia graminis
(3) Loose smut of wheat-Ustilago nuda
(4) Root-knot of vegetables-Meloidogyne sp.
Consider the following four measures (A-D) that could be taken to successfully grow chick pea in an area where bacterial blight disease is common
(A) spray with Bordeaux mixture
(B) control of the insect vector of the disease pathogen
(C) use of only disease-free seeds
(D) use of varieties resistant to the disease
Which two of the above measures can control the disease?
(1) B and C
(2) A and B
(3) C and D
(4) B and D
'Himgiri' developed by hybridisation and selection for disease resistance against rust pathogens is a variety of
1. maize
2. sugarcane
3. wheat
4. chilli
In the following table identify the correct matching of the crop, its disease and the corresponding pathogen.
Which of the following is a correct match between crop, variety and resistance to diseases ?
Match Column - 1 with Column - II and select the correct option from given codes.
Column I Column - II
A. Brassica (i) Himgiri
B. Okra (ii) Pusa Komal
C. Wheat (iii) Pusa Gaurav
D. Cowpea (iv) Pusa Sawani
(1) A- (iii), B- (iV), C- (i), D- (ii)
(2) A- (i), B- (iii), C- (ii), D- (iv)
(3) A- (iv), B- (iii), C- (i), D- (ii)
(4) A- (ii), B- (iv), C- (i), D- (iii)