Portal System

Q. Write differences between functions of PCT and DCT.

Q.

The diagram below represents the simplified pathway of the circulation of blood. Study the same and answer the question that follow:
(a) Name the blood vessels labelled 1 and 2.
(b) State function of blood vessels labelled 5 and 8
(c) What is the importance of the blood vessel labelled 6?
(d) Which blood vessel will contain a high amount of glucose and amino acids after a meal?
(e) Draw a diagram of the different blood cells as seen in a smear of human blood.

Q.

The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel mentioned in each case.

(a) Several hours after a meal containing a lot of protein, which vessel will contain the highest concentration of urea?
(b) Which vessel would contain the highest concentration of amino acids and glucose soon after a meal?

Q. Write one function of each of the following components of the transport system in human beings:
(a) Blood vessels
(b) Lymph
(c) Heart

Q. The vein in which concentration of urea is maximum is:

Q. Assertion: Conversion of protein to peptides in the duodenum cannot be achieved by the pancreatic juices alone.
Reason: Bile juices provide the alkaline environment for trypsin to act.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not a correct explanation of A.
3. A is true but R is false.
4. A and R are false.

Q. The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both test-tubes are kept in sunlight. Answer the question that follow:

(b) Explain the physiological process as mentioned above in (a).

Q.

Give the biological/technical term for the following.

The vein which drains the blood from the intestine to liver.

Q. What are enzymes? Also write the function of amylase

Q. What are enzymes? Also write the function of amylase

Q.

How many blood vessels arises from heart ? And what is photolysis?

Q.

Assertion (A): A complex of blood vessels beginning and ending in capillaries through which blood circulates before returning to the heart is called a portal system.

Reason (R): All mammals have a hepatic portal system.

1. Both A and R is true and R is the correct explanation of A.

2. A is true but R is false.

3. Both A and R is false.

4. Both A and R is true but R is not the correct explanation of A.

Q. carries blood from the digestive tract to the liver and carries blood from the liver to the inferior vena cava.

1. Hepatic artery
2. Hepatic portal vein
3. Hepatic vein
4. Lacteal

Q. Sort the route of blood in a hepatic portal system. (Top to Bottom)

1. Vena cava
2. Hepatic veins
3. Portal vein
4. Veins
5. Capillaries

Q.

Rewrite the complete sentence by inserting the correct word in the space indicated.​

The blood vessel that begins and ends in capillaries is the