All the following plants require honey bees as their main pollinators except:
1. Banana 2. Brassica
3. Apple 4. Pear

Subtopic:  Animal Husbandry (OLD NCERT) |
 73%
From NCERT
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Identify the correct statement:
I: New cultivars produced by plant breeding are first evaluated in research fields and their performance is recorded under ideal fertiliser application, irrigation, and other crop management practices.
II: After evaluation in research fields, the new cultivars are tested in farmers’ fields for at least three growing seasons at several locations in the country.
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 92%
From NCERT
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Identify the correct statements:
I: SCP is commonly grown on agricultural waste products, and as such inherits the ecological footprint and water footprint of industrial agriculture.
II: Microorganisms usually have a much higher protein content of 30–70% in the dry mass than vegetables or grains.
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Single Cell Protein (OLD NCERT) |
 67%
From NCERT
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A plant disease not caused by a fungal pathogen will be:

1. Brown rust of wheat 2. Black rot of crucifers
3. Red rot of sugarcane 4. Late blight of potato
Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 62%
From NCERT
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Identify the option where all columns are correctly matched:

 

Crop

Variety

Resistant to

1.

Rapeseed mustard

Pusa Sawani

Shoot and fruit borer

2.

Chilli

Himgiri

Chilli mosaic virus

3.

Cauliflower

Pusa Shubhra

Bacterial blight

4.

Flat bean

Pusa Sem 2

Aphids

Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 60%
From NCERT
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In north India, a sugarcane farmer would be best advised to grow:

1. Saccharum barberi
2. Saccharum officinarum
3. A hybrid of Saccharum barberi and Saccharum officinarum
4. A hybrid of Saccharum officinarum and a grass Aegilops squarrosa
Subtopic:  Plant Breeding for Quality (OLD NCERT) |
 79%
From NCERT
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Methylophilus methylotrophus is a source of:

1. Bioinsecticide 2. Single cell protein
3. Thrombolytic 4. Clotting factors
Subtopic:  Single Cell Protein (OLD NCERT) |
 91%
From NCERT
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Identify the incorrectly matched pair:

Column I Column II
1. Sonalika and Kalyan Sona Improved varieties of wheat
2. Jaya and Ratna Improved varieties of maize
3 Saccharum Barberi Poor sugar content and yield
4. Saccharum officinarum High sugar content and thick stems
Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 93%
From NCERT
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The most important species of honeybee reared in India is:

1. Apis indica 2. Apis mellifera
3. Apis dorsata 4. Apis florea
Subtopic:  Animal Husbandry (OLD NCERT) |
 95%
From NCERT
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Practically all hybrids of poultry and swine are produced by:
1. crossing inbred stocks
2. introduction of exotic breeds
3. crossing genetically similar parents
4. mutation breeding

Subtopic:  Animal Husbandry (OLD NCERT) |
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