CBSE  /  Class 7  /  Science  /  Transportation in Animals and Plants

  • 1. 
    Which of the following is the main circulatory fluid in our body ?

  • Plasma
  • Lymph
  • Blood
  • None of these

  • 2. 
    Which one of the following contains haemoglobin?

  • RBC
  • WBC
  • Platelets
  • None of these

  • 3. 
    What is the function of WBCs?

  • Transport of oxygen
  • Fight against germs
  • Involved in blood clotting
  • All of these

  • 4. 
    Blood platelets help in

  • formation of urine
  • excretion of urine
  • sweating
  • blood clotting

  • 5. 
    The muscular tube through which stored urine is passed out of the body is called:

  • kidney
  • ureter
  • urethra
  • urinary bladder

  • 6. 
    They are pipe-like, consisting of a group of specialised cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

  • Xylem tissue
  • Vascular tissue
  • Root hairs
  • Phloem tissue

  • 7. 
    The absorption of nutrients and exchange of respiratory gases between blood and tissues takes place in:

  • veins
  • arteries
  • heart
  • capillaries

  • 8. 
    In which of the following parts of human body are sweat glands absent?

  • Scalp
  • Armpits
  • Lips
  • Palms

  • 9. 
    In a tall tree, which force is responsible for pulling water and minerals from the soil?

  • Gravitational force
  • Transportation force
  • Suction force
  • Conduction force

  • 10. 
    Aquatic animals like fish excrete their wastes in gaseous form as

  • Oxygen
  • Hydrogen
  • Ammonia
  • Nitrogen
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