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Question-1
The largest ovule is present in.
(A)
Cycas
(B)
Pinus
(C)
Wolffia
(D)
Rafflesia
Question-2
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
Question-3
A bisexual flower, which always remains closed, is called
(A)
Cleistogamous
(B)
Dichogamous
(C)
Chasmogamous
(D)
Geitonogamons
Question-4
Which of the following has largest gametophyte?
(A)
Oryza
(B)
Fumaria
(C)
Pinus
(D)
Selaginella
Question-5
The development of plant by the process of tissue culture, is called.
(A)
Propagation
(B)
Micrografting
(C)
Micropropagation
(D)
None of these
Question-6
Ovary is called inferior in
(A)
Epigynous condition
(B)
hypogynous condition
(C)
Perigynous condition
(D)
Mesogynous condition
Question-7
What is meant by double fertilization?
(A)
Formation of two zygotes
(B)
Fusion between egg and male gamete
(C)
Fusion between secondary nucleus and male gamete
(D)
Both '2' and '3'
Question-8
The living fossil amongst following is
(A)
Cycas
(B)
Pinnus
(C)
Gnetum
(D)
Pandanus
Question-9
The main characterstic of anemophillous flower is
(A)
Large, ordourless with nectar
(B)
large, odourless without nectar
(C)
Small, odourless with nectar
(D)
Small, odourless without nectar
Question-10
'Apomixis' term was given by.
(A)
Focks
(B)
Winkler
(C)
Swingle
(D)
Nawaschin
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Plus 2 Biology Science
Kerala (English Medium)
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