While planning for an artificial hybridization programme involving dioecious plants, which of the following steps would not be relevant:

1. Bagging of female flower

2. Dusting of pollen on stigma

3. Emasculation

4. Collection of pollen

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 68%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Polyethene glycol method is used for:

1. gene transfer without a vector

2. biodiesel production

3. seedless fruit production

4. energy production from sewage

Subtopic:  Plant Tissue Culture |
 58%
AIPMT - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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Bacterial leaf blight of rice is caused by a species of:

1. Xanthomonas

2. Pseudomonas

3. Alternaria

4. Erwinia

Subtopic:  Breeding for Disease Resistance (OLD NCERT) | Insect & Pest Resistance (OLD NCERT) |
 50%
AIPMT - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 (OLD NCERT) | Plant Tissue Culture |
 69%
AIPMT - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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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 (OLD NCERT) |
AIPMT - 2007
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NEET 2023 - Target Batch - Aryan Raj Singh
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Crop plants grown in monoculture are:

1. low in yield

2. free from intraspecific competition

3. characterized by a poor root system

4. highly prone to pests

Subtopic:  Breeding for Disease Resistance (OLD NCERT) | Insect & Pest Resistance (OLD NCERT) |
AIPMT - 2006
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NEET 2023 - Target Batch - Aryan Raj Singh
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In maize, hybrid vigour is exploited by:

1. bombarding the protoplast 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 (OLD NCERT) | Plant Breeding for Quality (OLD NCERT) |
 54%
AIPMT - 2006
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NEET 2023 - Target Batch - Aryan Raj Singh
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The world's highly prized wool-yielding 'Pashmina' breed is:

1. Sheep

2. Goat

3. Goat-sheep cross

4. Kashmiri sheep-Afghan sheep cross

Subtopic:  Animal Husbandry (OLD NCERT) |
 51%
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Match the following columns and choose the correct option. 

1. A-5 B-4 C-1 D-2

2. A-5 B-4 C-1 D-3

3. A-4 B-2 C-3 D-1

4. A-1 B-2 C-4 D-5

Subtopic:  Plant Breeding & Its Steps (OLD NCERT) |
 59%
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Please attempt this question first.

Pebrine is a disease of:

1. Fish

2. Honey bee

3. Silkworm

4. Lac insect

Subtopic:  Animal Husbandry (OLD NCERT) |
 64%
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