Open and Closed Circulatory System

Q.

Is open circulatory system present in cockroaches?

Q. Define Blood circulation

Q.

What happens if conducting tubes of circulatory system develops a leak? State in brief, how could this be avoided?

Q.

What is hemocoel? Which group of animals have hemocoel?

Q.

Do cockroaches have hearts?

Q.

How many hearts does a human body have?

Q.

Name the main parts of the circulatory system.

Q.

Which energy system produces the most ATP?

Q.

What are some processes in plants that require ATP?

Q. What is the correct path through the circulatory system which describes the passage of a blood clot originating in the left leg?

1. Vena cava → right atrium → right ventricle → lungs → left atrium → left ventricle → aorta
2. Vena cava → left atrium → right ventricle → lungs →right atrium → left ventricle → aorta
3. Vena cava → left atrium → left ventricle → lungs →right atrium → right ventricle → aorta
4. aorta → left atrium → right ventricle → lungs →right atrium → left ventricle → Vena cava

Q.

The rhythmic expansion and contraction of the heart are called?

Q. Why is double circulation only in humans and not in other animals?

Q.

Function of blood vessels

Q. The dental formula of rabbit is .

1. I2/1, C0/0, PM3/2, M3/3
2. I2/1, C1/1, PM3/2, M3/3
3. I2/1, C1/1, PM3/2, M2/3

Q. ‘Heart of heart’ is called:

1. AV node
2. Purkinje fibres
3. Bundle of His
4. SA node

Q.

Name the blood vessel that has the highest concentration of urea after a protein-rich meal.

1. Renal artery

2. Renal vein

3. Hepatic artery

4. Hepatic vein

Q. Why is blood circulation in human heart called double circulation?

1. Because the blood passes through the heart twice in one complete cycle of the body
2. Because the blood passes through the heart once in one complete cycle of the body
3. Because the blood passes through both arteries and veins
4. Because the blood passes through arteries, veins and capillaries

Q. What is double circulation actually?

Q. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and bids?

Q.

The circulatory system is of _____ type in cockroach.

Q.

Name the largest artery in the body.

Q.

Which among the following has closed circulatory system?

1. 

2. 

3. 

4. 

Q.

Define the following: Circulatory system

Q.

Who was the first person to describe the pathway of blood through veins and arteries?

1. William Harvey

2. John Somerset

3. John Argentine

4. Gilbert Kymer

Q.

Given below is a group of terms, in which the first pair indicates the relationship between the two terms.

Rewrite and complete the second pair on a similar basis.

Example:

Oxygen: Inspiration:: Carbon dioxide: Expiration

Foetus: Amnion:: Heart: ________

Q. Open circulatory system is present in
(A) Arthropods (B) Annelids
(C) Chordates (D) Molluscs

1. C only
2. A and B
3. C and B
4. D only
5. A only
6. A and D

Q.

Explain cardiac cycle and breathing rate.

Q. Assertion :Closed circulatory system is less efficient than open circulatory system. Reason: The blood flow is slow in closed circulatory system than in open circulatory system.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. What happens if conducting tubes of circulatory system develops a leak?

Q. Which one has an open circulatory system?
1. Sea squirt

1. 2, 4, 6
2. 1, 2, 4, 6
3. 3, 4, 5, 7
4. 2, 4, 5, 6
5. 1, 2, 3, 4, 5, 7