Name the parasite that causes malaria. At what stage of its life cycle does it enter into human body ? Mention the measures that must be taken to control malaria.

At what stage of life does spermatogenesis begin in human males.

Give the scientific name of the parasite that causes malignant malaria in humans. At what stage does this parasite enter the human body? Trace its life cycle in human.

How and at what stage does Plasmodium enter a human body?

Discuss the causes and effects of water pollution. What measures need to be taken to control?

At what stage of life does gametogenesis begin in human male and female repsectively?

Name the parasite that causes filariasis in humans. Mention its two diagonostic symptoms. How is disease transmitted to others?

At what stage of life is oogeneisis initiated in a human female? When does the occyte complete oogenesis?

Discuss the causes and effects of global warming. What measures need to be taken to control global warming?