Connective Tissues

Q.

What are the various components of blood ? State their functions.

Q.

Which component of blood helps in clotting?

1. Plasma

2. RBC

3. WBC

4. Platelets

Q.

The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
(a) What is (i) tissue A (ii) pigment B, and (iii) colour C?
(b) Name (i) D (ii) E (iii) F, and (iv) G.
(c) Name one substance (other than oxygen) which is transported by tissue A in the human body.
(d) Which two components of tissue A are the cells without nucleus
(e) Name any two organisms (animals) which do not have liquid like A in their body.

Q. 13.Give detailed structure and functioning of
human heart with labelled diagram. (5)

Q.

A liquid X of colour Y circulates in the human body only in one direction : from body tissues to the heart. Among other things, liquid X contains germs from cells and dead cells. The liquid X is cleaned of germs and dead cells by a special type of white blood cells called Z. This cleaned liquid is then put into blood circulatory system in subclavian veins.
(a) What is (i) liquid X, and (ii) colour Y ?
(b) What are Z ?
(c) The liquid X is somewhat similar to a component of blood. Name this component.
(d) Why is liquid X not red ?

Q. State the function of the following components pf transport system
A) blood
B)xylem

Q. What is the other name of ‘high blood pressure’?​

Q. Which of the following cells are found in the cartilaginous tissue of the body?

1. Mast cells
2. Basophils
3. Osteocytes
4. Chondrocytes

Q.

What is the liquid part of the blood called ? What is the function of platelets in the blood ?

Q.

Platelets are the type of blood cells that are helpful in clotting of blood.

1. False
2. True

Q. Which of the following are not a part of the circulatory system in a human being?

1. Veins
2. Villi
3. Capilleries
4. Arteries

Q.

Which of these is the correct structural design of a heart to act as a pump?

1. 4 chambers: 1 atrium and 3 ventricles

2. 4 chambers: 2 atria and 2 ventricles

3. 4 chambers: 3 atria and 1 ventricle

4. 3 chambers: 1 atrium and 2 ventricles

Q. Erythropoiesis starts in:

1. Kidney
2. Liver
3. Spleen
4. Red bone marrow

Q.

What does the valves inside the heart do ?

Q.

Blockage in any coronary artery of the heart leads to:

1. None of these

2. Angina pectoris

3. Myocardial infarction

4. Coronary artery disease

Q. In the human heart, the bicuspid valve is present in between:

1. Right atrium and right ventricle
2. Left atrium and left ventricle
3. Right and left atrium
4. Left atrium and systemic aorta

Q.

While learning to ride a bicycle Boojho lost his balance and fell. He got bruises on his knees and it started bleeding. However, the bleeding stopped after some time
(a) Why did the bleeding stop?
(b) What would be the colour of the wounded area and why?
(c) Which type of blood cells are responsible for clotting of blood?

Q.

Yuvraj had a severe injury in his right leg. The doctor told that he had a ligament tear. What does the doctor mean?

1. Tendons

2. Matrix

3. None of these

4. Ligaments

Q. What are the components of the transport system in human beings? What are the functions of these components?

Q. What are the components of the transport system in human beings? What are the functions of these components?

Q. Very short answer type.
Mark the odd one in the given series.
areolar tissue, blood, neuron, tendon