Ecosystem — BIOLOGY STD 12 Science — Question

What is the main purpose of the ex situ Conservation Method?

Name the event, during cell division cycle that results in the gain or loss of chromosome.

Give two examples of polygenic inheritances from plants.

In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 per cent. Judge, which kind of ART is suited in this situation to form an embryo in the laboratory, without involving a donor?

Why Western Ghats in India have been declared as biological hotspots?

When was MTP given legal approval?

Write the concept of central dogma.

Mark the odd one in the following group.
ZIFT, GIFI, IUI, MTP.

What do you understand by Darwinian finches.

Name the type of evolution that has resulted in the development of structures like wings of butterfly and bird. What are such structures called?