Question

do question no24&25 plz

Answer 1

25. HIV stands for human immuno deficiency virus . no it is not a infectious disease. AIDS is caused by mother to its foetus during pregnancy,by transplantation of organ and blood and by uncontaminated sexual contact.

Answer 2

1.Because the production of seeds industrially leads to higher yield eg.GM seeds(genetically modified)
2.for preventing unwanted pregnancies
25.HIV stands for Human Immuno-deficiency Virus..yes,AIDS is an infectious disease which can spread through sexual contact..etc..
1.using unsterilised syringes
2.unprotected sex
3.Through blood transfusion
4.From mother to her child when the child is still in the mother's womb(through placenta)