The small oval depression found on inter auricular septum in adult Human is termed `:-`

Inter-auricular septum in the embryonic stages has a//an

Foramen ovale 1. Connects the two atria in the foetal heart 2. is a condition in which the heart valves do not completely close 3. is a shallow depression in the interventricular septum 4. is a connection between the pulmonary trunk and the aorta in the foetus

The length of small intestine in a human adult is about :

Read the following statements and find out the incorrect statements. a. Heart is situated in the thoracic cavity, is between the two lungs, slightly tilted to the right. b. Heart has the size of a clenched fist. (c ) Heart is protected by double walled membranous bag, pericardium, enclosed the pericardial fluid. d. Human heart has four chambers, two relatively larger upper chambers called atria and two smaller lower chambers called ventricles. e. A thick muscular wall called the inter-atrial septum separtes the right and the left atria, whereas a thinwalled, the inter-ventricular septum, separtes the left and right ventricles.

Addition of non-volatile solute to solvent lowers its vapoure pressure. Therefore, the vapour pressure of a solution (i.e, V.P. of solvent in a solution) is lower than that of pure solvent in a solution) is lower than that of pure solvent, at the same temperature. A higher temperature is needed to raise the vapour pressure upto one atmosphere pressure, when boiling point is attined. However, increase in b.pt. is small . for example, 0.1 molal aqueous sucrose solution boils at 10.05^(@)C Sea water, an aqueous solution, which is rich in Na^(+) and Cl^(-) ions, freezes about 1^(@)C lower than frozen water . At the freezing point of a pure-solvent, the reates at which two molecule stick together to form the solid and leave it to return to liquid are equal when solute is present. Few solvent molecules are in contact with surface of solid. However, the rate at which the solvent molecules leave, surface of solid remains unchanged. That is why, temperature is lowered to restore the equalibrium. The freezing depression in a dilute solution is proportional to molality of the solute. The freezing point of a solution containing 50 cm^(3) of ethylene glycol in 50g water is found to be -34^(@)C . Density of ethylene glycol is : Assuming solution is dilute [ K_(f) for H_(2)O = 1.86 K "molality"^(-1) ]

With reference to the human ear, answer the questions that follow : Name the three small bones present in the middle ear. What is the biological term for them collectively?

Correct the statements given below by the right option shown in the bracket against them. (a) Absorption of amino acids and glycerol takes place in the (small intestine/large intestine). (b) The faeces in the rectum initate a reflex causing an urge for its removel (neural/hormonal). (c) Skin and eyes turn yellow in infection (liver/stomach). (d) Rennin is a proteolytic enzyme found in gastric juice in (infants/adults). (e) (Pancreatic juice and bile are released through (intestine pancreatic/hepato-pancreatic duct). (f) Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestines (jejunum/duodenum).

Correct the statements given below by the right option shown in the bracket against them. (a) Absorption of amino acid and glycerol takes place in the (small intestine/large intestine). (b) The faeces in the rectum initiate a reflex causing an urge for its removel (neural/ hormonal). (c) Skin and eyes turn yellow in infection (liver/stomach). (d) Renin is a proteolytic enzyme found in gastric juice in (infants/adult). (e) Pancreatic juice and bile are released through (intestine pancreatic/hepato - pancreatic duct). (f) Dipeptides disaccharides and glycerides are broken down into simple substance in region of small intestines. (jejunum/ duodenum).