PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. What do you mean by secondary sex characteristics?
a. Secondary sex characteristics are internal and the external sex organs present at the time of birth.
b. Secondary sex characteristics are the physical characteristics developed at puberty that distinguishes males from females.
c. Secondary sex characteristics involve in reproduction directly.
2. What is fertilization?
a. The fusion of sperm and egg is called fertilization.
b. The fusion of sperm and egg occurs in the uterus.
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