MCQ
Anther is typically:
- ATetrasporangiate.
- BBisporangiate.
- CTrisporangiate.
- DMonosporangiate.
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$A.$ Castration is a method of contraception
$B.$ $MTPs$ have a significant role in decreasing the size of population, so it is legal.
$C.$ Amniocentesis for sex determination is banned in our country
$D.$ Nearly $45\; to 50$ million $MTPs$ are performed in a year all over the world
$(i)$ $RNA$ can directly code for the synthesis of proteins
$(ii)$ It is very common process to synthesis $DNA$ from $RNA$
$(iii)$ $RNA$ is used as genetic material only in human
$(iv)$ One polynucleotide chain is present in $RNA$