Agriculture contributes about A of India’s GDP and gives employment to nearly B of the population. Select the option which correctly fills A and B.
Read the following four statements and select the option which includes all the correct ones only. A. Single-cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins, etc. B. Body weight wise the microorganism Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day. C. Common button mushrooms are a very rich source of vitamin C. D. Golden rice variety has been developed which is very rich in calcium.
Isolated protoplasts from two different varieties of plants each having a desirable character can be fused to get hybrid protoplasts, which can be further grown to form a new plant. These hybrids are called
The term ‘totipotency’ refers to the capacity of a
An explant is
The technique of obtaining large number of plantlets by tissue culture method is called
The Indian Agricultural Research Institute, New Delhi has developed and released spinach variety that was enriched with: (a) Vitamin A (b) Vitamin C (c) Iron (d) Proteins
Resistance to jassids in cotton is due to:
Pusa Shubhra is bred by hybridisation and selection for resistance to black rot and curl blight black rot, is a variety of which of the given crop?
Which of the following is the main aim of evaluation of germplasm in plant breeding programme?
Hairy root disease of dicot plants is caused by
Jaya and Ratna are varieties of
A biofortified wheat variety is
Which one of the following is not a fungal disease?
33% of India’s Gross Domestic Product comes from
To isolate protoplast of typical plant cells, one needs to apply a. pectinase b. cellulase c. chitinase
Which of the following enhances or induces fusion of protoplasts?
Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising
‘Hidden hunger’ refers to deficiency of the following in human beings.
Which of the following statements is true about tissue culture?
When the explants are cultured ‘organogenesis’ takes place in the presence of:
If a mature anther of an angiosperm is grown in tissue culture, which part of the anther could form haploid plants?
A very time-consuming and tedious process in plant breeding is
An Explant is
Somatic hybrids are produced by-
Parbhani kranti is resistant to
Which of the following crop variety is resistant to black rot of crucifers?
Pusa Sadabahar is
Statement A: Pusa swarnim a variety of Brassica is resistant to white rust disease. Statement B: Pusa Sem 2 a variety of flat bean is resistant to jassids, aphids and fruit borers.
Pomato are
During somatic hybridization in plants
Totipotent cell refers to
Semi dwarf variety of wheat was developed by
Which of the following is considered as the root of any breeding programme?
Where Taichung Native-l was developed?
The conventional method of breeding for disease resistance includes a. screening of germplasm for resistant sources b. hybridisation of selected parents c. induction of mutation
Hairy leaves of many plants are associated with resistance to
Pomato is a somatic hybrid of
The capacity of a cell explant to grow into a whole plant is called
The plants produced from tissue culture are genetically identical to the original plant from which they are grown so they are called
Meristem culture is practiced in
Microbes like Spirulina , can also be grown on industrial scale as source of good a. fat b. proteins c. minerals
Single cell protein reduces
Which one of the following combination would a sugarcane farmer look for in the sugarcane crop?
Assertion (A) : Biofortification is the most practical approach to improve the health of the people suffering form hidden hunger. Reason (R) : Biofortification is used to increase nutrient value of crops.
Use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed
The agriculture sector of India employs
The biggest constraint of plant breeding is
In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called
A technique of micropropagation is
Which of the following statements is not true about somatic embryogenesis ?
In vitro clonal propagation in plants is characterized by
To obtain virus- free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?
Two foremost main objectives of plant breeding are
By mutational breeding the following characters are developed in Mung bean. I. Resistance to Yellow mosaic II. Resistance to Powdery mildew III. Resistance to White rust IV. Resistance to Black rust
Pomato is formed due to
Pusa Swarnim is resistant to
Match the following with respect to crop variety and resistance to disease List – I List – II A) Himgiri i) White rust B) Pusa Komal ii) Black rot C) Pusa snow ball k- 1 iii) Tobacco mosaic virus D) Pusa Swarnim iv) Bacterial Blight v) Hill bunt
The tedious process in hybridization is
Atlas 66 is a variety of
Which is the variety of bhindi made resistant to Yellow mosaic virus by hybridization by transferring genes from wild varieties?
In mung bean, resistance to yellow mosaic virus and powdery mildew were brought about by :
Which of the following is not true for callus culture?
The following features of maize make it resistant to stem borers- A. High aspartic acid content B. Low Nitrogen content. C. Low sugar content. D. Smooth leaves
The ‘Himgiri ’ variety of wheat is resistant to:
Match Column I with Column II Column I Column II (a) Totipotency (i) Any part of a plant which is introduced to culture medium to grow into full-fledged plant or organs in vitro. (b) Micropropagation (ii) Capacity to generate a whole plant from any cell/ explant (c) Explant (iii) The technique involving the fusion of isolated protoplasts from genetically distinct individuals (d) Somatic hybridization (iv) Method of producing thousands of plants through tissue culture
The correct sequence in breeding a new genetic variety of a crop is:
In mung bean, resistance to powdery mildew was developed by
Atlas 66 variety of wheat is enriched in:
Sugarcanes grown in North India show the following features
Biofortified crops have
Wheat variety Atlas 66 is rich in
Match the following: Column I (Variety) Column II (Resistant to) (a) Pusa Gaurav (i) Shoot and Fruit borer (b) Pusa Sawani (ii) Black rot (c) Pusa Sem 2 (iii) Aphids (d) Pusa Shubhra (iv) Jassids
Match Column I with Column II Column I Column II (a) Sonalika (i) Better yielding semi-dwarf variety of rice (b) Parbhani kranti (ii) Wheat having high protein content (c) Ratna (iii) High yielding variety of wheat (d) Atlas 66 (iv) Resistance to yellow mosaic virus in bhindi
Pusa Komal is a variety of A which is resistant to B .
Which of the following species of sugarcane has a thick stem and higher sugar content?
Match List I with List II and choose the correct match List – I List – II A) High yielding variety i) Pusa Gaurav B) Pathogen resistant variety ii) Atlas 66 C) Insect resistant variety iii) Parbhani Kranti D) Biofortified variety iv) Sonalika
Pusa Sadabahar is a variety of chilli that shows resistance to
One of the following varieties of crop is biofortified crop.
Red rot of sugar cane is caused by
33 percent of India’s GDP (Gross Domestic Product) comes from (a) and employs (b) percent of the population. (a) (b) 1. industry 70 2. agriculture 62 3. export 30 4. agriculture 75
Match column-I with column-II and choose the correct option. Column -I Column -II A. Pisciculture I. Micropropagation B. Apiculture II. Crop production C. Tissue culture III. Rearing of fishes D. Green revolution IV. Fish-production E. Blue revolution V. Bee-keeping A B C D E 1. iii v iv i ii 2. iii v i ii iv 3. v iii i ii iv 4. iii v ii i iv
Germplasm collection refers to:
Match Column I with Column II Column I Column II a. Pusa swarnim i. Black rot b. Pusa Komal ii. Chilly mosaic virus c. Pusa Sadabahar iii. Bacterial blight d. Pusa Shubhra iv. White rust a b c d 1. iv iii ii i 2. iv i ii iii 3. iii iv ii i 4. i iii ii iv
What is common amongst the new varieties of carrot, spinach and pumpkin developed by IARI?
Match Column I with Column II Column I Column II a. Pusa swarnim i. Black rot b. Pusa Komal ii. Chilly mosaic virus c. Pusa Sadabahar iii. Bacterial blight d. Pusa Shubhra iv. White rust a b c d 1. iv iii ii i 2. iv i ii iii 3. iii iv ii i 4. i iii ii iv
Identify the variety of cauliflower that is resistant to black rot and curl blight black rot.
Identify the disease that is not caused by fungi is:
Which bacterial species has a very high rate of biomass production and growth and can be expected to produce 25 tonnes of protein?
Pusa swarnim is resistant for which of the following disease?
Statement A: Resistance of the host plant is the ability to prevent the pathogen from causing disease. Statement B: Several wild relatives of different cultivated species of plants have been shown to have certain resistant characters but have very low yield.
One of the following is a famous plant breeder who developed the scented variety of basmati rice.
Identify the incorrect statement w.r.t. Tissue culture.
Virus free plants can be obtained from virus infected plants through
Match Column I with Column II. Column I Column II A High yielding variety i Atlas 66 B Disease resistant variety ii Sonalika C Pest resistant variety iii Pusa Sawani D Variety with improved food quality iv Himgiri
Statement A: Pusa swarnim, a variety of Brassica is resistant to the white rust disease. Statement B: Pusa sem 2, a variety of flat bean is resistant to jassids, aphids and fruit borer.
An improved variety of transgenic basmati rice
Ratna, Himgiri and Pusa Komal are the varieties of :
An example of a disease caused by the prokaryotic pathogen is
A collection of all the alleles of all the genes of a crop plant is called
An explant is
Select the correct statement.
Pomato is a
Semi dwarf variety of wheat was developed at
Green revolution in India was possible due to a. exploitation of high yielding varieties b. intensive cultivation c. better irrigation, fertilisers and pesticide facilities
Example of high yielding and disease resistant wheat variety is
Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of
Saccharum officinarum variety of sugarcane had
In mung bean, resistance to yellow mosaic virus and powdery mildew were brought about by
Solid stem in wheat exhibits non-preference by
The process of breeding by artificially inducing mutations with chemicals or radiations is called
Semi dwarf varieties of rice were derived from
What are the requirements in tissue culture? a. Hormones like auxin, cytokinin, agar-agar b. Inorganic salt, vitamin, amino acid only c. Carbon source like sucrose only
Which one is used in tissue culture? a. Explant b. Mutations c. Hybridisation
Somatic hybrids are produced by the fusion of
To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practiced in floriculture and horticulture industry today. It is called
Virus free plants can be formed by
A protoplast is a cell
Biofortified crops are
Which statements are correct about Atlas-66? a. It has high protein content b. It has been used as a donar for improving cultivated wheat c. Protina, Shakti and Rattna are three improved and biofortified hybrids of Atlas-66
Assertion (A) : Protoplast culture is an important technique of somatic hybrids. Reason (R) : Protoplast culture technique results in the production of somatic hybrids.
The scientific process by which crop plants are enriched with certain desirable nutrients is called
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of
In mutation breeding, mutations are induced by using radiation like a. gamma rays b. X-rays c. UV-rays
In virus-infected plants, the meristematic tissues in both apical and axillary buds are free of viruses because
Given below are a few statements regarding somatic hybridisation. I. Protoplasts of different cells of the same plant are fused. II. Protoplasts from cells of different species can be fused. III. Treatment of cells with cellulase and pectinase is mandatory. IV. The hybrid protoplast contains characters of only one parental protoplast. Choose the correct option.
Assertion (A) : Virus-free plants can be produced by meristem tissue culture. Reason (R) : In virus infected plant, apical meristem is free of virus.
Read the following statements. Choose the option for correct statement.
A collection of all the alleles of all the genes of a crop plant is called
Protoplast is
A technique of micropropagation is
Micropropagation is
Match the following columns. Column I (Plants) Column II (Name of improved variety) A. Wheat (i) Pusa Sadabahar B. Cauliflower (ii) Pusa Komal C. Cow pea (iii) Pusa Shubhra D. Chilli (iv) Himgiri A B C D 1. iv iii ii i 2. iii ii i iv 3. ii i iv iii 4. i iv iii ii
Sonalika and Kalyan Sona are varieties of
Which of the following are not disease resistant varieties? a. Pusa Gaurav b. Pusa Sem-2 c. Pusa sawani
