Circulation of Blood

Q.

Blood in the arteries flow with _______ pressure than blood in the veins. Therefore, the walls of the arteries are ________ than veins.

1. more, thicker

2. less, thicker

3. more, thinner

4. less, thinner

Q. The heart and the blood vessels of the circulatory system is derived from the

1. both b and c
2. endoderm
3. ectoderm
4. mesoderm

Q.

Regarding the assertion and reason, choose the correct option ______.

Assertion[A]: We feel tired and sleepy after a huge meal.

Reason[R]: Huge amount of blood rushes to supply our gut during digestion, therefore there is not enough blood reaching other parts to energize your body

1. Reason [R] is True and Assertion [A] is False.

2. Assertion [A] is True and Reason [R] is False.

3. Assertion [A] is True and Reason [R] is True and is a correct explanation to [A].

4. Assertion [A] is True and Reason [R] is True but is not a correct explanation to [A].

Q.

Atrio-ventricular septum is made of _______________ tisue:

1. Fibrous

2. Neural

3. Epithelial

4. Glandular

Q. Match the items of column I with those of column II:

Column I	Column II
(a) Ammonotelism	(i) Birds
(b) Bowman's capsule	(ii) Water reabsorption
(c) Micturition	(iii) Bony fish
(d) Uricotelism	(iv) Urinary bladder
(e) ADH	(v) Renal tubule

Q.

Regarding the assertion and reason, choose the correct option ______.

Assertion[A]: We feel tired and sleepy after a huge meal.

Reason[R]: Huge amount of blood rushes to supply our gut during digestion, therefore there is not enough blood reaching other parts to energize your body

1. Assertion [A] is True and Reason [R] is False.

2. Reason [R] is True and Assertion [A] is False.

3. Assertion [A] is True and Reason [R] is True and is a correct explanation to [A].

4. Assertion [A] is True and Reason [R] is True but is not a correct explanation to [A].