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Question
What is puberty?
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Solution
The rate of general body growth begins to slow down, reproductive tissues begin to mature. This period during adolescence is called puberty.
RELATED QUESTIONS
What is pollination?
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
Where are a plant's sex organs located?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
How is the process of pollination different from fertilization?
Give scientific reason.
Fertilization in plants is called double fertilization.
Identify the female gametophyte in angiosperms.
Gloriosa superba exhibits ______.
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
