Blood

Q.

What would be the consequences of a deficiency of hemoglobin in our bodies?

Q.

What Is The Life Span Of Human RBC And WBC?

Q. Under normal physiological conditions in human being every $100ml$ of oxygenated blood can deliver ______ ml of $O_2$ to the tissues.

1. $5ml$
2. $4ml$
3. $2ml$
4. $10ml$

Q. Study the following and select the correct statement about B-lymphocytes.

1. Encounter with the antigens results in division of immature B-cells
2. Memory B-cells do not express the same antibody as their parent B-cell
3. Effector cells are short-lived
4. Antibodies play the major role in cell-mediated immunity

Q. The given figure represents the pathway of blood through the body:


Identify the correct match of marked number 1, 2, 3 and 4

1. 1–Artery
2. 2–Pulmonary vein
3. 3–Pulmonary artery
4. 4–Vein

Q.

The predominant form of histamine present in human blood is ($p{K}_a$ Histidine$=6.0$)

1. 

2. 

3. 

4. 

Q.

Differentiate between erythrocytes and leucocytes?

Q. Cat and dog show maximum similarity at which taxon

1. Family
2. Order
3. Genus
4. Class

Q.

Blood is red and acidic in nature.

1. True
2. False

Q. Give one reason why (a) The blood called connective tissue?

Q. The process of formation of blood cells from stem cells is known as

1. thrombopoiesis
2. erythropoiesis
3. leucopoiesis
4. haematopoiesis

Q.

If RBCs dont have a nucleus then how do they divide in the bone marrow?

Q. Select the incorrect statement w.r.t nervous system of cockroach.

1. Brain is represented by sub-oesophageal ganglion
2. Nervous system is spread throughout the body
3. Three ganglia lie in the thorax and six in the abdomen
4. It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side

Q. An atrioventricular value prevents the backflow or leakage blood from

1. the right ventricle into the right atrium
2. the left atrium into the left ventricle
3. the aorta into the left ventricle
4. the pulmonary vein into the right atrium

Q.

Blood is a kind of :

1. areolar tissue

2. connective tissue

3. fluid connective tissue

4. reticular connective tissue

Q.

One of the difference between blood and lymph is that:

1. blood has cells whereas lymph has no cells

2. blood has RBCs while lymph has no WBCs

3. blood has WBCs while lymph has no RBCs

4. blood has dissolved in organic salt while lymph has no such organic salts

Q. Based on your understanding of genetic code, explain the formation of any abnormal hemoglobin molecule. What are the known consequences of such a change?

Q. Read the following statements.
1. Blood delivers oxygen and carbon dioxide
2. Blood regulates pH and temperature of our body
3. Blood is a connective tissue
4. Blood is made up of fluid matrix called lymph
How many of the above statement(s) about blood is/are correct?

1. Three
2. Four
3. One
4. Two

Q.

Do white blood cells have vacuoles?

Q. Integument is usually called the 'Jack of all trades' because it

Q.

How much blood is present in the body of a normal adult?

Q. What give colour to urine and feacal matter ?

Q. Write any two functions of blood.

Q. Name the two fluids that circulate in the body

Q. When a litre of water is introduced in human blood:

1. $BMR$ decreases
2. $RBCs$ collapse and urine production increase
3. $BMR$ increase
4. $RBCs$ collapse and urine production decrease

Q.

The white blood cells are also called ________.

Q. Blood corpuscles which help in blood clotting at the site of injury are​

Q. If one wants to find minerals and in the form they are mobilised in the plant, how will an analysis of the exudate help?

Q. The process of formation of blood cells from stem cells is known as

1. thrombopoiesis
2. erythropoiesis
3. haematopoiesis
4. leucopoiesis

Q. The driving force for the translocation of organic solutes through phloem is __ gradient