1. Why is the colour of the blood red?
  2. What are the differences between arteries and veins?
  3. Veins carry deoxygenated blood. Is aorta a vein?
  4. Xylem and plant; water pipe and house. What is similar between these two pairs?
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1 Answers

Option 3 : Veins carry deoxygenated blood. Is aorta a vein?

Deductive Reasoning :- In this method, the teacher uses the established formula, principle, or generalizations to solve the problem. The students proceed from general to particular, from abstract to concrete. In other words the facts are deduced or analyzed by the application of the established formula. Hence, the formula is accepted by the students as duly established
fact. 

Veins carry deoxygenated blood. Is aorta a vein is best suited to develop deductive reasoning in students because

  • Here first a generalization is formed that "Veins carry deoxygenated blood".
  • Then the students are moving from known to unknown and concrete to abstract.
  • Since the children already know that veins carry deoxygenated blood they can easily decide whether the aorta is a vein based on its function.
  • Here children first get the rule or generalization then they move toward the examples.

​Hence Veins carry deoxygenated blood. Is aorta a vein is best suited to develop deductive reasoning in students.

On the other hand, all other questions are not useful to develop deductive reasoning in the students because they do not point at the generalization first and then move towards the concept or examples which is a characteristic of deductive reasoning.

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