Heterosis (Hybrid vigour) is desirable in vegetatively propagated plants because:
1.  Heterosis is maintained for a longer duration
2.  These plants are easy to cultivate
3.  Vegetative reproduction help to multiply fast
4.  It is due to homozygosity

Subtopic:  Somatic Hybridization |
AIPMT - 1998

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During regeneration, the modification of an organ to another organ is known as:
1.  Morphallogenesis
2.  Epimorphosis
3.  Morphallaxis
4.  Accretionary growth

Subtopic:  Asexual Reproduction |
 50%
AIPMT - 2001

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The chief advantage of encystment to an Amoeba is: 

1. The ability to survive during adverse physical conditions
2. The ability to live for some time without ingesting food
3. Protection from parasites and predators
4. The chance to get rid of accumulated waste products
Subtopic:  Asexual Reproduction |
 88%
From NCERT
AIPMT - 2003
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In which one of the following pairs, both plants can be vegetatively propagated by leaf pieces:
1. Bryophyllum and Kalanchoe
2. Agave and Kalanchoe
3. Asparagus and Bryophyllum
4. Chrysanthemum and Agave  

Subtopic:  Asexual Reproduction |
 62%
From NCERT
AIPMT - 2005
To view explanation, please take trial in the course.
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