CBSE Questions for Class 7 Biology Transportation In Animals And Plants Quiz 3 - MCQExams.com

The separation of the atria and ventricles helps to:
  • Prevent mixing of the blood.
  • Pump blood only to lower parts of the body.
  • Pump blood only to upper parts of the body.
  • Both A and C.
Rubber tube, ear piece and diaphragm are parts of a
  • Headphone
  • Microphone
  • Periscope
  • Stethoscope
Which of the following cells get activated during bleeding?
  • RBC
  • WBC
  • Platelets
  • Macrophage
The blood with no oxygen is received in the 
  • Left atrium
  • Left ventricle
  • Right atrium
  • Right ventricle
The given figure illustrates a section through the human heart.Which labelled part represents the site for the generation of action potential in human heart?

887454_9781da2d93dd4303af2f175b00d67967.png
  • A
  • B
  • C
  • D
State whether the following statement is true or false.

Veins generally have thicker walls than arteries.
  • True
  • False
The correct sequence of urine movement is
  • Bladder --> Kidney --> Ureter -->Urethra
  • Bladder -->Urethra -->Kidney -->Ureter
  • Kidney -->Bladder -->Ureter --> Urethra
  • Kidney -->Ureter -->Bladder -->Urethra
'Haemoglobin' is found in
  • Blood
  • Bile fluid
  • Sweat
  • None of these
Name the parts labelled A, B, C and D.
1027742_206783d056ca4aad906129cd3b57d2d2.png
  • A: Kidney, B: Urinary bladder, C: Urethra, D: Ureter
  • A: Kidney, B: Ureter, C: Urinary bladder, D: Urethra
  • A: Kidney, B: Urethra, C: Collecting duct, D: Anus
  • A: Kidney, B: Seminiferous tubules, C: Uterus, D: Ureter
The composition of urine is:
  • 25% water, 2.5 % urea and 2.5% other waste
  • 95% water, 2.5 % urea and 2.5% other waste
  • 95% water, 2.5 % urea and 12.5% other waste
  • None of the above
Arteries are best defined as the vessels which
  • Supply oxygenated blood to the different organs
  • Carry blood away from the heart to different organs
  • Break up into capillaries which reunite to form a vein
  • Carry blood from one visceral organ to another visceral organ
Consider the following statements regarding haemoglobin:
1. It contains iron
2. It is a carrier of oxygen in the blood
3. It imparts red colour to the blood
It provides immunity against certain diseases.
Of these statements.
  • 1, 3 and 4 are correct
  • 1, 2 and 3 are correct
  • 1, 2 and 4 are correct
  • 2, 3 and 4 are correct
The stethoscope was discovered by
  • Antonie van Leeuwenhoek
  • Leopold Auenbrugger
  • Jean-Nicolas Corvisart
  • René Laennec
Where is blood filtered in our body?
  • Kidneys
  • Lungs
  • Liver
  • Heart
The two lower chambers of the heart are called _______.
  • Atrium
  • Ventricles
  • Pulmonary vein
  • Pulmonary artery
When you feel your pulse, what you actually feel is blood rushing through the _______.
  • Arteries
  • Veins
  • Capillaries
  • All of these
Erythrocyte is another name for______.

  • Red Blood Cells
  • White Blood Cells
  • Platelets
  • White Bone cells
Which of the following is likely to increase in number when the body is under attack from bacteria?
  • RBCs
  • Platelets
  • Bone cells
  • WBCs
What are the main functions of blood?
  • Transport
  • Protection
  • Regulation
  • All of the above
Due to the presence of hemoglobin, ____________.
  • Veins appear red
  • Arteries appear red
  • Veins appear blue
  • Arteries appear blue
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