STD 12 - 6. evolution — NEET STD 11 Science — Question

Darwin finches are related to which of the following evidences

In the distal convoluted tubule of the nephrons

Synaptic knob is bulb-like structure which is present.

Which of the following animals maintain ecological balance?

The number of chromosomes in Turner's syndrome is

Streptococcus is employed in the manufacturing of

Chromosomal abnormality of an unborn baby (while in mother's womb) can be found out by a technique called

A survey of animal kingdom presents a variety of excretory structures. In most of the invertebrates, these structures are simple tubular forms whereas vertebrates have complex tubular organs called kidneys. Some of these structures are mentioned here.
(i) Protonephridia or flame cells are the excretory structures in Platyhelminthes.
(ii) Planaria and amphioxus have protonephridia is a excretory structures.
(iii) Nephridia are the tubular excretory structures of earthworms and other annelids.
(iv) Nephridia help to remove nitrogenous wastes and maintain a fluid and ionic balance.
(v) Malpighian tubules are the excretory structures of most of the insects and molluscs including cockroaches.
(vi) Antennal glands or green glands perform the excretory function crustaceans like prawns.
Which of the following statements are correct ?