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Question

Match the following with the correct blank.​
Column I Column II

1. _______ is a pheromone that controls communication among musk deer.​

P. Thymosin

2. _______ is a hormone that controls the production of immune cell.​

Q. Parthenocarpy

3. ______ is a male sex hormone that controls sperm production.​

R. Muscone

4. Development of fruits without fertilisation is called _____.

S. Testosterone

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