131. Apex of radicle is formed with help of

A Epibasal cells
B Hypobasal cells
C Cotyledon
D Hypophysis
Answer :   Hypophysis
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132. Double fertilization and triple fusion were discovered by

A Hofmeister
B Nawaschin and Guignard
C Leeuwenhoek
D Strasburger
Answer :   Nawaschin and Guignard
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133. Bisexual flowers which never open, demonstrated by

A Autogamy
B Allogamy
C Cleistogamy
D None of the above
Answer :   Cleistogamy
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134. Main function of endosperm (in anther) is

A Mechanical
B Nutritive
C Dehiscence
D None of the above
Answer :   Dehiscence
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135. Generative cell was destroyed by laser but a normal pollen tube was still formed because

A vegetative cell is not damaged
B contents of killed generative cell stimulate pollen growth
C laser beam stimulates growth of pollen tube
D the region of emergence of pollen tube is not harmed
Answer :   vegetative cell is not damaged
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136. Which structure of the ovule remains unchanged in the end

A Embryosac
B Integuments
C Funiculum
D Micropyle
Answer :   Micropyle
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137. Which one of the following statements is wrong?

A When pollen is shed at two-celled stage, double fertilization does not take place
B Vegetative cell is larger than generative cell
C Pollen grains in some plants remain viable for months
D Intine is made up of cellulose and - pectin
Answer :   When pollen is shed at two-celled stage, double fertilization does not take place
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138. Fore most Indian Embryologist was

A S.C. Maheshwari
B P. Maheshwari
C H.Y. Mohan Ram
D None of the above
Answer :   P. Maheshwari
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139. Isobilateral tetrad is common in

A Monocots
B Dicots
C Halophia
D None of the above
Answer :   Monocots
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140. Water of coconut is

A Endosperm
B Nucellus
C Endocarp
D Mesocarp
Answer :   Endosperm
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