NEET2013ZoologyStrategies for Enhancement in Food ProductionActual
Assertion : Cattles feed on leaves of maize to get nutrition for growth and development. Reason : A number of symbiotic bacteria are present in rumen of cattle.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false
- DIf both assertion and reason are false
Correct answer
A. If both assertion and reason are true and reason is the correct explanation of assertion.
Step-by-step solution
The cattles, buffaloes, goats, sheep, deer and camels are herbivorous animals that feed on plant leaves, twigs, etc. Their stomach consists of 4 chambers: rumen (paunch), reticulum (honeycomb), omasum (psalterium) and abomasum (rennet). In the rumen, food undergoes mechanical and chemical breakdown. Mechanical breakdown results from thorough churning brought about by muscular contractions and aided by cornified surface of villi. Chemical breakdown is caused by symbiotic micro-organisms bacteria such as Ruminococcus