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Question
The essential parts of a flower are ______.
Options
Calyx and Corolla
Calyx and Androecium
Corolla and Gynoecium
Androecium and Gynoecium
Solution
The essential parts of a flower are Androecium and Gynoecium.
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RELATED QUESTIONS
You are asked by your teacher to study the different parts of an embryo of a gram seed. Given below are the steps to be followed for the experiment:
I. Soak the gram seeds in plain water and keep them overnight.
II. Cut open a soaked seed and observe its different parts.
III. Take some dry gram seeds in a petri dish.
IV. Drain the excess water.
V. Cover the soaked seeds with a wet cotton cloth and leave them for a day.
The correct sequence of these steps is :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Explain the terms 'self pollination'
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Calyx : Sepals : : Corolla : ________________
Observe the figure below. Write functions of the labelled parts.
Length of pollen tube depends on the distance between ______
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
The pollen tube usually enters the embryo sac ______.