Transport of Substances in Plants & Animals Worksheet-2

Transport of Substances in Plants & Animals Worksheet-2

1. Capillaries exchange the following between blood and tissues

(a) Oxygen, carbon dioxide, RBC, food

(b) Oxygen, carbon dioxide, food, wastes

(c) Water, plasma, WBC, RBC

(d) Oxygen, carbon dioxide, WBC, RBC

2. Who discovered the circulation of blood?

(a) William Harvey                      (b) Galileo Galilie

(c) Hans Christian Oersted        (d) Thomas Alva Edison

3. Which of the following order of organs in an excretory system is correct?

(a) Kidney, urethra, urinary bladder, ureter

(b) Kidney, ureter, urinary bladder, urethra

(c) Ureter, kidney, urethra, urinary bladder

(d) Urethra, urinary bladder, ureter, kidney.

4. Mexico city is at an altitude of 2500 metres. People who live there have more red blood cells than other people who live at lower altitudes. The reason for this is

(a) There is less oxygen at higher altitudes

(b) There is more oxygen at higher altitudes

(c) To absorb enough amount of oxygen

(d) Both There is less oxygen at higher altitudes & To absorb enough amount of oxygen

5. “The red blood cells are red in colour due to the presence of haemoglobin”. The given statement is

(a) True                                          (b) False

(c) Incomplete                              (d) Both False & Incomplete

6. The figure shows the pulmonary and systemic circulation. Recognise the parts labelled as a, b, c & d in the diagrammatic representation.

(a) (a) → Pulmonary artery; (b) → Pulmonary vein; (c) → Aorta; (d) → Veins

(b) (a) → Pulmonary Vein; (b) → Veins; (c) → Pulmonary artery; (d) → Aorta

(c) (a) → Pulmonary Vein; (b) → Aorta; (c) → Veins; (d) → Pulmonary vein

(d) (a) → Aorta; (b) → Veins; (c) → Pulmonary vein; (d) → Pulmonary artery

7. The movement of oxygenated blood from the left auricle to left ventricle and then through aorta to all parts of the body is called

(a) Extracellular circulation

(b) Pulmonary circulation

(c) Systemic circulation

(d) Intracellular circulation

8. In the given figure of a system, identify an organ which is not placed correctly.

(a) Left kidney                               (b) Right kidney

(c) Ureter                                       (d) Urethra

9. Which of the following is not an excretory waste?

(a) Carbon dioxide                       (b) Urea

(c) Oxygen                                     (d) Water

10. The largest gland of our body is

(a) Pancreas                                  (b) Sweat gland

(c) Liver                                         (d) Salivary gland

11. Water and mineral are taken up in tall trees by

(a) Transpiration pull

(b) The force operating between water molecules

(c) Force of attraction between water molecules and walls of xylem

(d) All of these

12. Transpiration is

(a) The loss of excess water from aerial parts of plant

(b) The loss of water from aerial parts of plant

(c) The continuous loss of water in the form of water vapour from aerial parts of plant

(d) The loss of excess water in the form of water vapour from aerial parts of plant

Answer Key:

1. (b)
2. (a)
3. (b)
4. (d)
5. (a)
6. (b)
7. (c)
8. (a)
9. (c)
10. (c)
11. (a)
12. (c)