Evolution — BIOLOGY STD 12 Science — Question

What are holandric traits?

Which codon is known as an ochre?

State a reason for the increased population of dark coloured moths coinciding with the loss of lichens (on tree barks) during industrialisation period in England.

Kanha forest, a tiger reserve is an example of ….....type of conservation.

Mention the two important measures of species diversity in a region.

What is the group of bacteria found in both the rumen of cattle and shidge of sewage treatment?

The Amazon rain forest is referred to as the lungs of the planet'. Mention any one human activity which causes loss of biodiversity in this region.

Mention the name of sterile animal produced by intergeneric hybridization.

Ecological pyramid

Components necessary to induce germination of pollen in synthetic medium.