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Question-1
'Apomixis' term was given by.
(A)
Focks
(B)
Winkler
(C)
Swingle
(D)
Nawaschin
Question-2
A bisexual flower, which always remains closed, is called
(A)
Cleistogamous
(B)
Dichogamous
(C)
Chasmogamous
(D)
Geitonogamons
Question-3
Chalazogamy is the characteristic of.
(A)
Betula
(B)
Casuarina
(C)
Cucurbita
(D)
Both 1 and 2
Question-4
Caruncle of albuminous dicot seed is derived from
(A)
Embryo
(B)
Peduncle
(C)
Cotyledon
(D)
Integument
Question-5
The largest ovule is present in.
(A)
Cycas
(B)
Pinus
(C)
Wolffia
(D)
Rafflesia
Question-6
The flower, which opens once in its life time, is called
(A)
Polycarpic
(B)
Monocarpic
(C)
Cleistogamous
(D)
Cleistocarpic
Question-7
The living fossil amongst following is
(A)
Cycas
(B)
Pinnus
(C)
Gnetum
(D)
Pandanus
Question-8
The only gymnospermic plant, having limited growth, is
(A)
Zamia
(B)
Picea
(C)
Welwitschia
(D)
Sequoiadendron
Question-9
Pollen grains are able to withstand extremes of temperature and dessication, because their exine is composed of.
(A)
Cutin
(B)
Suberin
(C)
Callose
(D)
Sporopollenin
Question-10
When a micro spore mother cell with 40 chromosomes, undergoes meiosis, then each of the resulting cell will have.
(A)
10 chromosomes
(B)
20 chromosomes
(C)
30 chromosomes
(D)
40chromosomes
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Plus 2 Biology Science
Kerala (English Medium)
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