Question

yrr pls help krdo

mene bio pd hi ni rakhi Xd

meko kuch ni aata ..


at least ek answer jarur de dena

koi bhi chalega ☹

lekin pls help kr do

Answer 1

Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species

Answer 2

1) self pollination means pollination between or crossing between plant belongs to same or common species

2) cross pollination means cross between two plants belongs to different species

a) fission is a type asexual reproduction in which an organism divide equally into two parts and each part give rise to new progeny

whereas in budding organism itself is not divided but a bud like structure arise which when detached give rise to New individual
for example in yeast

here are event take place after fertilization
clivage starts after fertilization and form daughter cell called blastomeres
morula ( with 8 to 16 blastomeres) keep on dividing and changed into blastocyst which embedded in uterus





different methods of contraceptive are

a) natural methods including periodic abstinens

b) physical method

c) IUDs

d) Condoms

e) pills