Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Where is found the minimum biodiversity in world?

Name the gases released during Bhopal gas tragedy in December, 1984.

Dehydration and ________ of mature seeds are crucial for storage of seeds.

To which fruit resembles the shape of uterus in female?

What is a gamete?

During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again resume the original number (2n) in the offspring, what are the processes through which these events take place?

What is stratification in an ecosystem? Explain with an example.

Write one method of introducing foreign DNA into host cells.

If the testis fail to descend in scrotal sac, which activity of adult for reproduction will be affected? Give reason.