STD 12 - 7. human health and disease — NEET STD 11 Science — Question

Which of the following is more close man

Ichtyhyosaurs were

The layer of uterus which becomes much eroded due to placental villi is known as

Characteristic features of cyclostomata are

Select wrong statement and mark right option for wrong statement.
(i) Platelets also called thrombocytes are cell fragments produced from megakaryocytes.
(ii) Blood normally contains 1.500,00-3,500,00 platelets mm^-3
(iii) Platelets can release a variety of substances most of which are involved in the coagulation or clotting of blood.
(iv) A reduction in number of platelets can lead to clotting disorders which will lead to excessive loss of blood from the body.
(v) Megakaryocytes are special cells of the bone marrow.
(vi) Thrombokinase, present in the platelets in an inactive state.

Which is correct statement ?

Difference between glomerular filtrate and blood plasma is of

The domestic sewage in large cities