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प्रश्न
The essential parts of a flower are ______.
विकल्प
Calyx and Corolla
Calyx and Androecium
Corolla and Gynoecium
Androecium and Gynoecium
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उत्तर
The essential parts of a flower are Androecium and Gynoecium.
APPEARS IN
संबंधित प्रश्न
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Explain the term 'fertilisation'.
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Find the odd one out:
Pollen grains are formed by _________ division in locules of anthers.
Write the functions of sepals
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Sketch and label the essential and accessory whorls of flower.
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
