The diagram below represents a process occurring in a flower answer the questions that follow:
(1). name the process and explain it
(2). mention the agent involved in the above process
(3). what is double fertilization
(4). define the term inflorescence
(5). draw a neat labelled diagram of a carpel
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Answer:
(1) It is a cross pollination process.
(2) The agent involved in this is a Insect.
(3) The double fertilisation is a process in which one pollen grain fuses with female gamete to form embryo and other with polar nuclei to form endosperm. It takes place in plants.
(4) An inflorescence is a group of flowers arranged on a stem.
(5) You can see it from NCERT book
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1. process is pollination
2.bee is the pollinating agent its e-n-t-o-m-o-p-h-i-l-y[means pollination by insects] its a b-o-i-t-i-c agent
3.Double fertilization is a major characteristic of flowering plants. In this process, two male gametes fuse with one female gamete wherein one male gamete fertilizes the egg to form a zygote[2 n], whereas the other fuses with two polar nuclei to form an e-n-d-o-s-p-e-r-m[3 n]
4.An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. M-o-r-p-h-o-l-o-g-i-c-a-l-l-y, it is the modified part of the shoot of seed plants where flowers are formed.
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