STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question

The colour of rose petals is due to water soluble pigments present in the

Enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis, and addition of groups to double bonds, are called:

This layer is more thickened in artery than vein, so the lumen is small in artery

The wheat grain has an embryo with one large, shield shaped cotyledon known as

One of the primary characters of chordates is

In a somatic cell cycle

Cellulose are polymers of

An outer covering membrane is absent over:

At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles