Tag: evs - i

Questions Related to evs - i

Consider the following statements.
1. Heart is three-chambered in fishes.
2. Heart is four-chambered in birds.
3. All animals of class Amphibia are characterized by two pairs of limbs.
4. All reptiles respire by lungs only.
Which of the above statements given are correct?

  1. 1, 2, 3 and 4

  2. 1 and 3

  3. 2 and 4

  4. 2, 3 and 4


Correct Option: D

What is the name of the vessel that delivers the nutrient rich blood from the stomach and small intestine to the liver?

  1. Left hepatic artery

  2. Hepatic vein

  3. Right hepatic artery

  4. Hepatic portal vein


Correct Option: D

Between which one of the following sets of blood, in the transfusion  possible ?

  1. A and O (A donor)

  2. B and A (B donor)

  3. A and AB (A donor)

  4. AB and O (AB donor)


Correct Option: C

Person having blood group B can donate blood to recipients with blood group _______.

  1. A or O

  2. B or O

  3. A or AB

  4. B or AB


Correct Option: D
Oxygen transportion in a human body takes place through _______________.
1. Blood 
2. Lungs  
3. Tissues.
  1. 1, 2 and 3

  2. 3, 1 and 2

  3. 2, 1 and 3

  4. 1, 3 and 2


Correct Option: C

With reference to blood in a normal person, which one of the following statements is correct?

  1. Compared to arteries, veins are less in number and hold less of the body's blood at any given time

  2. Blood cells constitute about 70% of the total volume of the blood

  3. White Blood Cells (WBC) are made by lymph nodes only

  4. Blood has more platelets than WBCs


Correct Option: D

If the father has blood group A and mother has blood group O, which one of following may be the son's blood group?

  1. B

  2. AB

  3. O

  4. B, AB and O


Correct Option: C

Consider the following statements:
1. Arteries carry pure oxygenated blood from the heart to body tissues.
2. The pulmonary artery carries deoxygenated blood.
3. Veins carry deoxygenated blood from body tissues towards the heart.
4. Pulmonary vein carries oxygenated blood.
Which of the statements given above are correct?

  1. 1 and 2

  2. 1 , 2 and 3

  3. 2 , 3 and 4

  4. 1, 2 , 3 and 4


Correct Option: D

In which organ of the human body are lymphocytes formed?

  1. Liver

  2. Spleen

  3. Pancreas

  4. Bone marrow


Correct Option: D