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प्रश्न
What is the function of the following in a seed?
Cotyledons
उत्तर
They contain food for the embryo.
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संबंधित प्रश्न
Which one of the following plants parts is correctly matched with one of its stated characteristic?
Fill in the blanks:
Rich, wheat and maize are rich in _________ food.
Arrange the following set of a term in order, so as to be in a logical sequence. Rewrite the correct order.
Embryo, 1st male gamete, zygote, egg cell, micropyle.
Arrange the following set of a term in order, so as to be in a logical sequence. Rewrite the correct order.
Zygote, embryo, seed, allogamy, fusion of gametes.
What is the difference between an embryo and a seed?
What is the function of the following in a seed?
Micropyle
Group the seeds given in Figure12.3 (i) to (iii) according to their means of dispersion.
(a) Seed dispersed by wind
(b) Seed dispersed by water
(c) Seed dispersed by animal
The male and female gametes fuse to form a _____(a)______ during the process of _____(b)______. This grows into an _____(c)______ which is enclosed within a seed. After fertilisation the ovules develop into _____(d)______ and the ovary develops into a _____(e)______.
Write how the following seed is dispersed.
Seeds with wings.
Visit a fruit market and collect as many local fruits as possible. If many fruits are not available, you can collect tomatoes and cucumbers (these are fruits, though we use them as vegetables). Make drawings of the different fruits. Split the fruits and examine the seeds within. Look for any special characteristics in the fruits and their seeds. You can visit a library also to learn about this.
