Assertion: In animals, chemical digestion is necessary.
Reason: Mechanical digestion, typically, precedes chemical digestion, increasing the surface area for chemical digestion.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Introduction to Digestive System |
 57%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Assertion: Carnivores often tear off pieces of their prey but have little need to chew them.
Reason: Digestive enzymes can act directly on animal cells.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false.
Subtopic:  Introduction to Digestive System |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Identify the correct statements regarding the structures labelled as A and B in the given diagram:
  
I: A is a sphincter that prevents reflux of acidic gastric content into the oesophagus.
II: B region has a sphincter that regulates the entry of chime into the duodenum.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Introduction to Digestive System |
 80%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement