Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

What does ecological niche of an organism represent?

Which era is called the golden age of dinosaurs?

Which ancestor of humans first started walking on two legs?

Name the type of flower which favours cross pollination.

Name the surgical methods of birth control in male and female.

Name a recombinant vaccine that is currently being used in vaccination program.

Write the contrasting traits of height of stem in garden pea plants.

Mark the odd one the following groups.
Luteinizing hormone, Progesterone, Chorionic gonadotropin, Estrogen.

Name the two forms of reservoir of carbon, that regulate the ecosystem carbon cycle.

Name a human disease, its causal organism, symptoms (any three) and vector spread by intake of water and food contaminated by human faecal matter.