Q19 of 54 Page 51

Match the following:


Explanation: As the above-mentioned processes take place in these particular steps, the correct matches would be as shown above.


For better understanding following diagram can be referred:



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17

Copy and identify the types of neurons given below:

 18

Here are some statements about meiosis. State whether each of them is true or false:

i) It takes place in somatic cells.


ii) Meiosis is also called reduction division.


iii) The pairing of homologous chromosomes is called crossing over.


iv) Meiosis leads to variations which form the raw material for evolution.

 20

A person was riding a two-wheeler without wearing a helmet. He met with an accident and sustained a head injury. He was dead before he was shifted to the hospital and it was found that his death was due to breathlessness and heart failure. Which part of his brain might have been damaged? Justify your answer.

 21

Match the following: