Sample Materials for CSAT Paper -1 (G.S.) Pre 2013: "General Science - The Circulatory System"

Sample Materials From Our Study Notes for CSAT Paper -1 (G.S.) Pre 2013

Subject: General Science
Topic: The Circulatory System

Contents of The Topic:

  • Circulatory Systems in Single-celled Organisms
  • Circulatory Systems in Multicellular Organisms
  • Types of circulatory systems
  • Vertebrate Cardiovascular System
  • The Heart
  • The Human Heart
  • Blood

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Test Your Knowledge

1.Consider the following statements.
  1. Vertebrates and a few invertebrates have a closed circulatory system.
  2. Close circulatory systems have blood closed at all times within vessels.
  3. Human circulatory system is called the cardiovascular system.

Which of the statement given above is / are false.

  1. 1 & 3 only
  2. 2 & 3 only
  3. 3 only
  4. All of the above
 2.Consider the following statements regarding open circulatory system.
  1. In the open circulatory system blood flows into hemocoel with blood diffusing back to the cells.
  2. Blood flow is sluggish.
  3. Insects, mollusks & other invertebrates have an open system.

Which of the statement given above is / are false.

  1. 1 & 3 only
  2. 2 & 3 only
  3. None of the above
  4. 1 only

Answer of Question 1: D

Answer of Question 2: C

Civil Services Preliminary
IAS - INDIAN ADMINISTRATIVE SERVICES
UPSC
General Science