Human Reproduction — BIOLOGY STD 12 Science — Question

Which of the two subunits of ribosome encounters an mRNA?

Explain (in one or two lines) the function of the following:
tRNA.

Mention the unique feature with respect to flowering and fruiting in bamboo species.

Why are green algae not found at lower depths of a sea?

A cross was carried out between two pea plants showing the contrasting traits of height of the plant. The result of the cross showed 50% of parental characters. Name the type of cross.

Name the hormones produced only during pregnancy in a human female. Mention their source organ.

A haemophilic son was born to normal parents. Give the genotypes of the parents and son.

When are polar bodies formed in female ovary?

Apart from conserving individual plants and animals, what else needs to be conserved?

A monkey can hold object by its hand elephant by its trunk. State whether in are analogous or homologous.