Blood Vessels

Q. How does temperature, light intensity and wind affect transpiration?

Q. How does transpiration help the roots absorb water and minerals from the soil?

Q.

What are the 3 layers of veins?

Q.

Generally, blood vessels which carry oxygenated blood are called ___ and blood vessels which carry deoxygenated blood are called ___

1. arteries, veins

2. veins, arteries

3. capillaries, veins

4. veins, capillaries

Q.

Except _____________ all arteries carry oxygenated blood.

Q.

One of the ABO blood groups is sometimes called the universal donor. Which group do you think it is and why?

Q.

Are blood vessels organs?

Q.

Veins are the blood vessels which carry blood away from the heart.

1. Blood will not clot

2. Blood will clot very quickly

Q. Briefly explain, how transpiration helps in upward conduction of water in plants?

Q. State whether the following statements are True or False. Rewrite the false statements correctly.
(e) Transpiration is the loss of water from the roots of the plant.

1. False
2. True

Q.

Which of the following are present in the structure of veins that aren't present in arteries?

1. Endothelium layer

2. Venous Valves

3. Tunica Externa

4. Tunica Media

Q.

Anwer the following questions:
1. Name the vessel which carries blood to the heart.
2. Name the vessel which carries blood away from the heart.
3. Name the blood vessel that brings oxygenated blood to the human heart.
4. Which chamber of the human heart receives deoxygenated blood?
5. Describe how deoxygenated blood from this chamber is sent to all parts of the body.

Q.

Put a tick mark (✓) against the correct alternative in the following statements:​

​(d) Blood Capillary is a

1. Artery with thick wall
2. Broad tube
3. Vein with large lumen
4. Narrow tube made up of endothelium only

Q.

Put the tick mark against the correct alternative in the following statements:​

(a) Medulla oblongata controls

1. Balancing the body
2. Smelling
3. Beating of heart and respiratory movement
4. Intelligence and will power

Q. Put a tick mark (✓) against the correct alternative in the following statements:
Force responsible for the ascent of sap is:

1. All the three
2. Root Pressure
3. Capillary force
4. Transpirational pull

Q. You can see some blood vessels on the outside of the hands specially in older people. Are those arteries or veins? How can you confirm your answer?

Q. Match the blood vessels of Column (A) with their functions in Column (B) with respect to the human heart.

$\begin{array}{cc}Column\left(A\right)& Column\left(B\right)\\ a.Venacava& \left(i\right)Takesawayoxygenatedblood\\ b.Pulmonaryvein& \left(ii\right)Bringsdeoxygenatedblood\\ c.Aorta& \left(iii\right)Takesawaydeoxygenatedblood\\ d.Pulmonaryartery& \left(iv\right)Bringsoxygenatedblood\end{array}$

Q.

Differentiate between the following pair of terms:​

(d) RBC and WBC.

Q. State differences between the blood vessels-artery, vein and capillary

Q. Fill in the-blanks with suitable terms given below:
(Fast, leaves, conducting, ascent, Humid)
(c) Transpiration is more when the wind is blowing .

Q.

Fill in the blanks with suitable words:​

​

(j) The liquid part of coagulated blood is known as ________

Q.

Answer very briefly, the following:​

Why is it necessary to know the blood group of the donor as well as the recipient?

Q. what is blood transfusion

Q.

Capillaries transport blood from

1. Veins to arteries

2. Arteries to heart

3. Veins to heart

4. Arteries to veins

Q. What do xylem vessels carry?

Q.

Given below is a diagrammatic representation of a certain part of the process of circulation of blood in man. Study the same and then answer the questions that follows.(i) Name the parts labelled A, B, D and F​

Q. What would have happened? If RBCs had mitochondria.
[Textbook Question 2a]

Q. Which one of the following is not applicable to vein? .

1. Movement of blood is slow
2. Thin walled
3. Valves present
4. Transport deoxygenated blood

Q. Identify the incorrect statement:

1. smooth squamous epithelial
2. tesselated epithelial
3. cuboidal and ciliated epithelial
4. stratified epithelial

Q. Give reasons for the following:
The arteries are deep-seated in the body.