Saturday, March 9, 2019

Reproduction in organisms: Previous Year Questions Part 2


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)

PART 3

No comments:

Post a Comment

You may also like this