Vascular Tissues Questions With Answers

Also known as the circulatory system, the vascular system is composed of vessels transporting lymph and blood all through the body. Veins and arteries supply blood to all the parts of the body/tissues, enriching them with nutrients and oxygen. In return, they take away wastes released by the different tissues.

1. Lymph differs from blood in having

(a) much more of water content

(b) no WBC

(c) no RBC

(d) no protein

Answer: (c)

2. RBC will __________ if kept in 0.8% NaCl

(a) burst

(b) shrink

(c) remain unchanged

(d) none of the above

Answer: (c)

3. Division of WBC takes place by

(a) meiosis

(b) amitosis

(c) mitosis

(d) none of the above

Answer: (d)

4. Least constancy of shape is exhibited by

(a) blood platelets

(b) epithelial cells

(c) WBC

(d) RBC

Answer: (c)

5. In Camels, erythrocytes are

(a) oval and nucleated

(b) oval and non-nucleated

(c) circular, nucleated and biconvex

(d) circular, non-nucleated and biconcave

Answer: (a)

6. In adults. RBC is formed in

(a) the liver

(b) the thymus

(c) the spleen

(d) the bone marrow of long bones

Answer: (d)

7. Average life span of human RBC is

(a) 90 days

(b) 100 days

(c) 120 days

(d) none of the above

Answer: (c)

8. When the count of WBC drops below the optimum level of blood it is known as

(a) leukemia

(b) leukopenia

(c) anemia

(d) all of the above

Answer: (b)

9. Protein content is the highest in the lymphatics of

(a) kidney

(b) liver

(c) below the skin

(d) all the above

Answer: (b)

10. Abnormal rise in number of RBC count is known as

(a) polycythemia

(b) anaemia

(c) leukemia

(d) all of the above

Answer: (a)

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