What is the role of Charles Darwin in relation to concept of species?

What is the difference between a Zoo and Wild Life Sanctuary?

Could the number of eggs or young ones produced by an oviparous and viviparous female be equal? Why?

What is an epithelium? Enumerate the characteristic features of different epithelia.

What are the components of blood in frog?

Explain the excretory system of frog.

Diffusion of gases occurs in the alveolar region only and not in any other part of the respiratory system. Discuss

Explain the conditions which creates problems in oxygen transport.

Select the correct biological term
Lymphocytes, red cells, leucocytes, plasma, erythrocytes, white cells, haemoglobin, phagocyte, platelets, blood clot.
(a) Disc shaped cells which are concave on both sides.
(b) Most of these have a large, bilobed nucleus.
(c) Enable red cells to transport blood.
(d) The liquid part of the blood.
(e) Most of them move and change shape like an amoeba.
(f) Consists of water and important dissolved substances.
(g) Destroyed in the liver and spleen after circulating in the blood for four months.
(h) The substances which gives red cells their colour .
(i) Another name for red blood cells
(j) Blood that has been changed to a jelly
(k) A word that means cell eater.
(l) Cells without nucleus .
(m) White cells made in the lymphatic tissue.
(n) Blocks wound and prevent excessive bleeding.
(o) Fragment of cells which are made in the bone marrow.
(p) Another name for white blood cells.
(q) Slowly releases oxygen to blood cells.
(r) Their function is to help blood clot in wounds.

Name and Label the given diagrams to show A, B, C, D, E, F, and G

Identify the following structures and explain their significance in renal physiology?
(a) Juxtaglomerular apparatus
(b) Podocytes
(c) Sphincters in the bladder

How are the kidneys involved in controlling blood volume? How is the volume of blood in the body related to arterial pressure?

With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion.

What are the different types of rib bones that form the rib cage?

What are the bones that make the pelvic girdle?

List the disorders of the muscular system.

Explain the sliding- filament theory of muscle contraction.

What are the benefits of regular exercise?

Describe the structures of olfactory receptors.

Briefly explain the structure of thyroid gland.

Name the layers of adrenal cortex and mention their secretions.

Differentiate hyperglycemia from hypoglycemia.

Give the economic importance of Silkworm

Discuss the various techniques adopted in cattle breeding.

Write the clinical significance of ultra sonogram