2013 MARCH
1. In honeybees
and some lizards female gamete undergoes development to form new organisms
without fertilization. This phenomenon is called ………….. (1)
2. Morphologically
and genetically similar individuals are called ………… (1)
2013 SAY
1. In many grasses
seeds are formed only after fertilization. There are reports that in some
grasses, seeds are formed without fertilization. Explain the phenomenon. (2)
2. Match the
following terms with regard to vegetative reproduction in plants. (2)
|
Vegetative
propagule
|
Plant
|
|
a) Bulbil
|
a)
Bryophyllum
|
|
b) Offset
|
b)
Ginger
|
|
c) Leaf bud
|
c)
Agave
|
|
d) Rhizome
|
d)
Water
hyacinth
|
2014 MARCH
1. From the
following, select the two having haploid chromosome number.
a.
Egg b. Endosperm
c.
Zygote d. Pollen (1)
2014 SAY
1.
a) Amoeba asexually multiplies by binary fission
whereas sponge by ----------------
b) Water
hyacinth vegetatively multiplies by offset agave by ------------------ (½ + ½
=1)
2015 MARCH
1.
Multiple choice Question:
Development of
fruit without fertilization and are seedless known as
a.
Polyembryony
b.
Apomixis
c.
Parthenocarpy
d.
Parthenogenesis (Score:
1)
2.
Match the Column A with B: (Scores : ½ + ½ + ½ + ½ = 2)
A B
(1) Bulbil (a)
Bulbophyllum
(2) Offset (b)
Sponge
(3) Gemmules (c)
Water hyacinth
(4) Leaf buds (d)
Agave
2015 SAY
1. (a) Yeast asexually multiplies by budding whereas
Penicillium by …………………
(b) Bryophyllum vegetatively
multiplies by adventitious buds water hyacinth by …………….. (Score: ½ + ½ = 1)