Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

What are oothecae?

Identify the neurohormone that has its functioning in inhibiting the secretion of growth hormone from anterior lobe of pituitary.

Discuss with your teacher about: (i) haploid insects and lower plants where cell-division occurs, and (ii) some haploid cells in higher plants where cell-division does not occur.

How does breathing in aquatic arthropods differ from that in terrestrial arthropods?

What constitute primary meristem? Why?

Name the following:
Cortical portions projecting between the medullary pyramids in the human kidney.

How the runners of grasses can serve as means of vegetative propagation?

Select odd one:
Turnip, Sweet potato, carrot, radish.

It is said that the one cycle of cell division in human cells (eukaryotic cells) takes 24 hours. Which phase of the cycle, do you think occupies the maximum part of cell cycle?

What is the shape of tadpole of frog? Name the hormone that helps in its metamorphosis.