Consider the following four statements (I-IV) and select the option which includes all the correct ones only :

I.  Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
II.  Body weight-wise, the microorganism Methylophilus methylotrophus may be able to produce several times more proteins than that produced by a cow per day through its milk.
III.  Common button mushrooms are a very rich source of vitamin C.
IV.  A rice variety has been developed which is very rich in calcium.
 

1.  Statements (I), (III) and (IV) 

2. Statements (II), (III) and (IV) 

3. Statements (I), (II) 

4. Statements (III), (IV) 

Subtopic:  Single Cell Protein |
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Green revolution in India occurred during -
1.  1970's
2.  1980's
3.  1950's
4.  1960's

Subtopic:  Plant Breeding & Its Steps | Impact: Green Revolution |
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In order to obtain virus-free plants through tissue culture the best method is :

1. protoplast culture

2. embryo rescue

3. anther culture

4. meristem culture

Subtopic:  Plant Tissue Culture |
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Triticale, the first man-made cereal crop, has been obtained by crossing wheat with:

1. rye

2. pearl millet

3. sugarcane

4. barley

Subtopic:  Plant Breeding & Its Steps | Plant Breeding for Quality |
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Crop plants grown in monoculture are

1. low in yield

2. free from intraspecific competition

3. characterized by poor root system

4. highly prone to pests

Subtopic:  Breeding for Disease Resistance | Insect & Pest Resistance |
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Which one of the following is being utilized as a source of bio-diesel in the Indian countryside?

1. Euphorbia

2. Beetroot

3. Sugarcane

4. Pongamia

Subtopic:  Plant Breeding for Quality |
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Which one of the following is a viral disease of poultry?

1. Salmonellosis

2. Coryza

3. Newcastle disease

4. Pasteurellosis

Subtopic:  Animal Husbandry |
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Haploids are more suitable for mutation studies than the diploids. This is because

1.  haploids are reproductively more stable than diploids

2.  mutagens penetrate in haploids more effectively than in diploids

3.  haploids are more abundant in nature than diploids

4.  all mutations, whether dominant or recessive are expressed in haploids

Subtopic:  Single Cell Protein | Plant Tissue Culture |
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In maize, hybrid vigour is exploited by:

1. bombarding the seeds with DNA

2. crossing of two inbred parental lines

3. harvesting seeds from the most productive plants

4. inducing mutations

 

Subtopic:  Plant Breeding & Its Steps | Plant Breeding for Quality |
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In cloning of cattle, a fertilized egg is taken out of the mother's womb and:

1. the egg is divided into 4 pairs of cells which are implanted into the womb of other cows

2. in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows

3. in the eight cell stage, the individual cells are separated under electrical field for further development in culture media

4. from this up to eight identical twins can be produced

Subtopic:  Animal Husbandry |
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