Q6 of 57 Page 77

Describe the structure of a monocot seed.


The diagram of monocot 1. Very thin seed coat.


2. Fruit wall thin and fused with the seed coat.


3. Fruit covered with chaff which is yellowish bracteoles.


4. The embryo has scutellum which is single cotyledon and a shoot axis.


5. The lower part has radicle and has coleorhiza.


6. The upper part has plumule and a sheath which covers it known as coleoptile.



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4

Compare aggregate fruits with multiple fruits and give suitable examples.

 5

Describe the structure of a dicot seed.

 7

Observe the given diagram:

i) Draw the diagram and label the parts.


ii) What happens to the parts labelled ‘ E’ and ‘F’, after the process of fertilization?



 8

Look at the diagram given below:


Answer the following:


i) Name the method of reproduction depicted here.


ii) Name an organism in which you find this method of reproduction.


iii) Does this method of reproduction favour variation?