Anthesis is a phenomenon which refers to:
Correct answer: D. Opening of flower bud
- A. Reception of pollen by stigma
- B. Formation of pollen
- C. Development of anther
- D. Opening of flower bud
Explanation
Anthesis is the process of opening floral buds. The reception of pollen by stigma is called pollination. The formation of pollen is called microsporogenesis.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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