Biology
Fill in the blanks with suitable words.
(a) Transfer of pollen grains from anthers to stigma of the same flower is called __
(b) Different timings for maturation of gynoecium and androecium , is called __
(c) __ is a water-pollinated flower.
Related Questions
The figure shown below represents a process in flowers. Study the same and answer the following questions.
(a) Name and define the process.
(b) Write the technical term of the above mentioned process.
(c) Give two examples of plants in which this process occurs.
(d) Write one advantage and one disadvantage of the process shown.
(e) Name two agents that participate in this process.
Given alongside is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the questions that follow:
(a) Name the parts labelled 1, 2, 3, 4 and 5.
(b) Where does the germination of the pollen grain take place and how?
(c) What is the function of the part labelled '4'?
(d) What happens to the part labelled '5' during the process?
Given below is a diagrammatic representation of the process of fertilization. Study the same and then answer the questions that follow:
(a) Name the parts labelled 1, 2, 3, 4, 5 and 6.
(b) What happens to (i) Ovary (ii) Ovule after fertilization?
(c) What is the function of the synergids?
(d) What part does the stigma play in the process of fertilization?
Shivam dissected a flower of sweet pea and removed all the petals. He observed the reproductive parts of the flower (both male and female), arranged in a specific manner as shown in the diagram given below.
(a) Mention the kind of arrangement of the stamens as shown in the figure.
(b) What are the three kinds of petals that Shivam removed from the flower? Name them.
(c) Name the kind of pollination (on the basis of pollinating agent) with one specific feature of the flower which favours it.