Transport of Substances in Animals & Plants

Transport of substances in animals and plants Worksheet-1

Multiple-Choice Questions:

1. Why the blood that flows from the lungs to the heart is bright red rather than dark red?

(a) Chemicals produced in the lungs dissolve in the blood giving it a bright red colour

(b) The lungs add a pigment (dye) to blood as it flows through them.

(c) Carbon dioxide dissolves in the blood

(d) Oxygen dissolves in the blood

Transport of substances in animals and plants Worksheet-2

Multiple-Choice Questions:

13. The diagram represents a group of organs in the human body. Which of the following option is correct?

(a) 1-kidney, 2- urethra, 3-urinary bladder, 4- ureter

(b) 1-kidney, 2-ureter, 3- urethra, 4- urinary bladder

(c) 1-kidney, 2- urethra, 3- ureter, 4- urinary bladder

(d) 1-kidney, 2-ureter, 3-urinary bladder, 4-urethra

Transport of substances in animals and plants Worksheet-3

Multiple-Choice Questions:

1. A biochemical compound that readily combines with oxygen and distributes it throughout the human body is:

(a) acetylcholine                             (b) haemoglobin

(c) water                                           (d) urea