11.
In some plants, the female gamete develops into embryo without fertilisation. This phenomenon is known as :
A
Autogamy
B
Parthenocarpy
C
Syngamy
D
Parthenogenesis
Answer :
Parthenogenesis
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12.
In ginger vegetative propagation occurs through:
A
Offsets
B
Bulbils
C
Runners
D
Rhizome
Answer :
Rhizome
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13.
Seed formation without fertilization in flowering plants involves the process of:
A
Sporulation
B
Budding
C
Somatic hybridisation
D
Apomixis
Answer :
Apomixis
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14.
Vegetative reproduction of Agave occurs through
A
rhizome
B
stolon
C
bulbils
D
sucker
Answer :
bulbils
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15.
Select the wrong statement:
A
Anisogametes differ either in structure, function or behaviour
B
In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
C
Chalmydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy
D
Isogametes are similar in structure, function and behaviour
Answer :
In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
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16.
During regeneration, modification of an organ to other organ is known as
A
Morphogenesis
B
Epimorphosis
C
Morphallaxis
D
Accretionary growth
Answer :
Epimorphosis
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17.
Which of the following flowers only once in its life-time?
A
Bamboo species
B
Jackfruit
C
Papaya
D
Mango
Answer :
Bamboo species
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18.
Which one of the following is correctly matched?
A
Onion - Bulb
B
Ginger - Sucker
C
Chlamydomonas - Conidia
D
Yeast - Zoospores
Answer :
Onion - Bulb
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19.
In an egg, the type of cleavage is determined by
A
shape and size of the sperm
B
size and location of the nucleus
C
amount and distribution of yolk
D
number of egg membranes
Answer :
amount and distribution of yolk
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20.
A population of genetically identical individuals, obtained from asexual reproduction is
A
Callus
B
Clone
C
Deme
D
Aggregate
Answer :
Clone
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