Students should refer to Worksheets Class 11 Biology Body Fluids and Circulation Chapter 18 provided below with important questions and answers. These important questions with solutions for Chapter 18 Body Fluids and Circulation have been prepared by expert teachers for Class 11 Biology based on the expected pattern of questions in the Class 11 exams. We have provided Worksheets for Class 11 Biology for all chapters on our website. You should carefully learn all the important examinations questions provided below as they will help you to get better marks in your class tests and exams.
Body Fluids and Circulation Class 11 Biology Worksheet
Question. All arteries carry oxygenated blood except :-
(a) Hepatic
(b) Systemic
(c) Coronary
(d) Pulmonary
Answer
D
Question. Identify a, b, c, d and e in the diagram given below-
Answer
B
Question. Which one of the statements is incorrect ?
(a) Factors for blood clotting present in blood plasma found in an inactive form
(b) Plasma without clotting factor is called serum
(c) Basophils are involved in inflammatory reactions
(d) Neutrophil are the most and eosinophils are the least among leucocytes
Answer
D
Question. In amphibians and reptiles, the left atrium receives oxygenated blood from the gills/lungs/skin and the right atrium gets the deoxygenated blood from other body parts. However, they get mixed up in the single ventricle which pumps out mixed blood called:-
(a) Incomplete single circulation
(b) Complete single circulation
(c) Incomplete double circulation
(d) Complete double circulation
Answer
C
Question. A healthy individual has …… gms of haemoglobin in every 100 ml of blood.
(a) 12-16 gm
(b) 16-20 gm
(c) 10-12 gm
(d) 9-12 gm
Answer
A
Question. Which of the following statements are true ?
(a) Albumin helps in osmotic balance.
(b) Plasma without the clotting factors is called serum.
(c) Globulins are involved in defence mechanism.
(d) All of these
Answer
D
Question. Cause of closure of semilunar valves in human heart is :-
(a) Ventricular diastole and increase in ventricular pressure
(b) Ventricular systole and increase in ventricular pressure
(c) Ventricular diastole and decrease in ventricular pressure
(d) Atrial diastole and decrease in atrial pressure
Answer
C
Question. The volume of blood pumped out by each ventricle per minute and average 5l in a healthy individual is called :-
(a) Stroke volume
(b) Joint diastole
(c) Cardiac output
(d) Ventricular diastole
Answer
C