List of top Questions asked in PSEB XII

Zygote divides to form ……….which is implanted in uterine wall
Copper T is used as birth control device by women
The genes causing cancer are
Plasmids are used as cloning vectors because they
Golden rice is enriched with
If BOD of water sample is very high, the sample is
Mycohhroezais example of
Vertebrate forelimbs are example of
At each tropic level in which form energy is lost
A cross between F1 hybrid and any one of parent is
The nuclei present in central cell of embryo sac is called
Delivery of developed fetus is scientifically called
Disadvantages of amniocentesis is