Network of Blood Vessels

Q.

Define sinusoids.

Q. Arteries are best defined as vessels which

1. Supply oxygenated blood to different organs
2. carry blood away from the heart to different organs
3. break up into capillaries which reunite to form a vein
4. carry blood from one visceral organ to another visceral organ

Q.

Deoxygenated blood is carried in

1. Pulmonary artery

2. Pulmonary vein

3. Carotid artery

4. Aorta

Q.

Write about five major blood vessels that enter and leave heart?

Q. The wall of capillaries have a layer of

1. endothelium and smooth muscle
2. elastic fibres only
3. endothelium and elastic fibres
4. endothelium only

Q. Coronary sinus opens into which of the following chambers of the heart

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

Q. The remnants of ductus arteriosus in the adults is called

1. columnae carneae
2. fossa ovalis
3. foramen ovale
4. ligamentum arteriosum

Q. Pulmonary artery arises from

1. RA
2. LA
3. LV
4. RV

Q. In an embryo, the blood vessel between pulmonary trunk and aorta is called

1. foramen ovale
2. ductus arteriosus
3. fossa ovalis
4. ligamentum arteriosum

Q. The entry of the pulmonary veins into the adjacent veins is guarded by

1. Eustachian valve
2. None of the above
3. Haversian valve
4. Thebesian valve

Q. The discoverer of the capillary system is

1. Marcello Malpighi
2. Karl Landsteiner
3. William Harvey
4. Einthoven

Q.

The connection between pulmonary and aortic arches in foetuses is

1. All of the above

2. Foramen ovale

3. Ligamentum teres

4. Ductus arteriosus

Q.

Oxygen and food substances are provided to the heart through:

1. pulmonary arch

2. aortic arch

3. coronary arteries

4. subclavian artery

Q. Write in sequence:​
(ii) Lungs, pulmonary vein, right ventricle, heart, right auricle.

Q. Which of the following blood vessels is also known as precaval?

1. Inferior vena cava
2. Superior vena cava
3. Coronary sinus
4. None of these

Q. Assertion :Arteries carry blood from various body organs to heart. Reason: Veins carry blood from various body organ to heart.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

Q. Who propounded the "Sliding filament theory" for muscle contraction?

1. H.E. Huxley and A.F. Huxley
2. H.E. Huxley
3. Cori
4. A.F. Huxley

Q.

Which of the following cells are found lining the blood capillaries :

1. Endothelial cells

2. Parietal cells

3. Oxyntic cells

4. Haemocytes

Q. The remnants of ductus arteriosus in the adults is called

1. columnae carneae
2. fossa ovalis
3. foramen ovale
4. ligamentum arteriosum

Q. Siphonogamy is?

1. Fertilization assisted through pollen tube
2. Fusion between dissimilar gametes both of which are nonmotile
3. Fertilization of ovule through funicle
4. Fertilization with the help of siphon system

Q. Double fertilization in angiosperms was discovered by

1. Robert Brown
2. Strasburger
3. Darwin
4. Lamarck

Q. Match the following
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{1.Aorta}& \text{i. Carries deoxygenated blood from upper part of the body to the heart}\\ \text{2.Inferior vena cava}& \text{ii. Carries oxygenated blood from the lungs to heart}\\ \text{3.Superior vena cava}& \text{iii. Carries oxygenated blood from the heart to the other parts of the body}\\ \text{4.Pulmonary vein}& \text{iv. Carries deoxygenated blood from lower part of the body to the heart}\end{array}$

1. 1-iii, 2-iv, 3-i, 4-ii
2. 1-ii, 2-iv, 3-i, 4-iii
3. 1-iii, 2-i, 3-iv, 4-ii
4. 1-ii, 2-iv, 3-iii, 4-i

Q. Differentiate between.
Mesogamy and porogamy

Q.

Circulation exclusively for heart:

1. pulmonary

2. systemic

3. coronary

4. none

Q. Which one is the mis-matched pair?

1. Largest isolated - Egg of an ostrich single cell
2. Golgi apparatus - Discovered by Altman
3. Mitochondria - Name was given by Benda
4. Lysosomes- Discovered by de Duve

Q.

Patent foramen ovale _______

1. Connects the two atria in the fetal heart.

2. Is a condition in which the heart valves do not completely close.

3. Is a shallow depression in the interventricular septum.

4. Is a connection between the pulmonary trunk and the aorta in the foetus.

Q. Nucleic acid was first isolated from pus cells by

1. Friedrich Miescher
2. Altmann
3. Waldeyer
4. Hoffmeister

Q. Which of the following blood vessels is also known as precaval?

1. Inferior vena cava
2. Superior vena cava
3. Coronary sinus
4. None of these

Q. Father of Indian embryology is?

1. P. Maheshwari
2. Swaminathan
3. R. Misra
4. Butler

Q.

Name the following blood vessels

1. 1.Capillary 2.Artery 3. Arteriole 4. Venule 5.Vein

2. 1.Vein 2. Venule 3.Artery 4.Arteriole 5. Capillary

3. 1.Artery 2.Arteriole 3.Vein 4.Venule 5.Capillary

4. 1.Arteriole 2.Artery 3.Venule 4.Vein 5.Capillary