Which of the following statements is not true about somatic embryogenesis?
 
1. The pattern of development of a somatic embryo is comparable to that of a zygotic embryo
2. Somatic embryos can develop from microspores
3. Somatic embryo is induced usually by an auxin such as 2, 4–D
4. A somatic embryo develops from a somatic cell

 

Subtopic:  Plant Tissue Culture |
NEET - 2013
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NEET 2023 - Target Batch - Aryan Raj Singh
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Assertion (A): Inbreeding increases homozygosity.
Reason (R): Inbreeding exposes harmful recessive genes that are eliminated by selection
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Animal Husbandry (OLD NCERT) |
 55%
From NCERT
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Assertion (A): A cow is administered hormone with FSH –like activity under the programme called MOET for herd improvement.
Reason (R): FSH suppresses follicular maturation and super ovulation
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Animal Husbandry (OLD NCERT) |
 70%
From NCERT
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All the following diseases in plants are caused by a fungal pathogen except:
1. Rust of wheat
2. Smut of bajra
3. Black rot of crucifers
4. Red rot of sugarcane
Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 70%
From NCERT
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In mung bean, mutations were used to induce resistance to:
I: yellow mosaic virus
II: powdery mildew
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic:  Breeding for Disease Resistance (OLD NCERT) |
 75%
From NCERT
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Marine fishes that are eaten include all the following except:
1. Common carp
2. Sardines
3. Mackerel
4. Pomfrets
Subtopic:  Animal Husbandry (OLD NCERT) |
 82%
From NCERT
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Inbreeding is important in animal husbandry because it:
1. increases vigour
2. improves the breed
3. increases heterozygosity
4. increases homozygosity
Subtopic:  Animal Husbandry (OLD NCERT) |
 85%
From NCERT
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What are the desirable traits in sugarcane for a farmer?

1. Thin stem, long internodes, high sugar content and disease resistant
2. Thick stem, long internodes, high sugar content and disease resistant
3. Thick stem, short internodes, high sugar content, disease resistant
4. Thick stem, low sugar content and disease susceptible
Subtopic:  Insect & Pest Resistance (OLD NCERT) |
 87%
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Which blue green alga can be an alternate source of proteins for animal and human nutrition?
1. Chlorella
2. Cladophora
3. Methylophilus
4. Spirulina

Subtopic:  Single Cell Protein (OLD NCERT) |
 59%
From NCERT
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Which of the following properties is the reason that whole plants can be regenerated from explants?
1. Phenotypic plasticity
2. Cellular totipotency
3. Open growth
4. Open differentiation
Subtopic:  Plant Tissue Culture |
 92%
From NCERT
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