Blood

Q. The pH of oxygenated blood is ____.

1. 7.4
2. 8.1
3. 5.4
4. 10

Q.

Is blood an organ?

Q.

What is the matrix of blood called?

Q.

What is the term used for the fluid matrix of the blood?

Q.

Do Human Red Blood Cells Contain Cell Organelles?

Q. What is the role of platelets in our blood?

1. Transportation of oxygen
2. Transportation of food
3. Clotting of blood
4. Reduction of toxins in plasma

Q.

White blood cells can squeeze through walls of blood vessels and get into intercellular spaces to fight against germs which property of WBCS allow them to do this?

Q.

What are the constituents of blood?

Q.

Blood is fluid connective tissue. Matrix of the tissue is_______

1. White blood cells

2. Red blood cells

3. Nutrients

4. Plasma

Q. ___ process is responsible for maintaining the ionic balance in our body.

Q.

The liquid component of blood is called __.

Q.

What are the 5 types of cells?

Q. __ is the most common body fluid and a connective tissue, which transports nutrients, oxygen, essential substances and collect harmful substance for excretion from tissues.

Q.

Our body contains _________ of water.

Q.

Match the following blood components with their function(s)_____

$\begin{array}{cc}ColumnI& ColumnII\\ 1.\text{RBC}& a.\text{Transport of energy and electrolytes}\\ 2.\text{WBC}& b.\text{Blood clotting}\\ 3.\text{Platelets}& c.\text{Immunity and Defense}\\ 4.\text{Plasma}& d.\text{Transport of gases}\end{array}$

1. 1.⇒ d, 2.⇒ c, 3.⇒ b, 4.⇒ a.

2. 1.⇒ b, 2.⇒ a, 3.⇒ d, 4.⇒ c.

3. 1.⇒ a, 2.⇒ b, 3.⇒ c, 4.⇒ d.

4. 1.⇒ c, 2.⇒ d, 3.⇒ a, 4.⇒ b.

Q. Staining dyes are used to stain the cells to make it visible under the microscope.

1. True
2. False

Q.

What are the constituents of blood?

Q. Staining dyes are used to stain the cells to make it visible under the microscope.

1. True
2. False

Q. The formed elements of the blood are synthesised in the .

1. liver
2. spleen
3. bone marrow
4. kidney

Q.

What are Lymphocytes?

Q. What are the constituents of blood? Why are the white blood cells known as the soldiers of the body?

Q. Name an animal in which heart pumps deoxygenated blood only.

Q. ____ is also called hypertension.

1. Low blood pressure
2. High blood pressure
3. Low filtering capacity of kidney
4. Tension caused by lactic acid

Q. .............. receives oxygenated blood from the lungs.

1. Right auricle
2. Right ventricle
3. Left ventricle
4. Left auricle

Q.

____________________ identified different types of blood groups in humans.

1. William Harvey

2. Robert Hooke

3. Edward Jenner

4. Karl Landsteiner

Q. Substances transported by blood are..............

1. Food materials
2. Excretory materials
3. Hormones
4. All of the above

Q.

Name the three types of blood vessels. Also, write their functions. [3 MARKS]

Q.

High blood pressure is also known as _______ .

1. Hypertension

2. Hypotension

3. Hyperglycemia

4. Hypoglycemia

Q.

Given below is an image depicting a type of cell in blood. Its characteristic shape helps them to

1. Carry out excess cellular respiration.

2. Move smoothly through blood vessels.

3. Carry more oxygen.

4. Both B and C

Q. What is neurolemocytes?