Read the following statements :i. In ruminants cellulose digesting bac...
(i) Ruminants have a four-chambered gut, and these microorganisms live primarily in the rumen. One particularly important bacterial genus that takes part in the degradation of cellulose is gram positive Ruminococcus.
(iii) Some ruminants like camels and deer do not have omasum. The omasum is the third chamber in the ruminant stomach. Function of the omasum is absorption.
Hence, Statement (i) and (iii) are correct.
Read the following statements :i. In ruminants cellulose digesting bac...
Statement (i): In ruminants cellulose digesting bacteria are present in the digestive system.
Ruminants are a group of animals that have a specialized digestive system for breaking down plant material, particularly cellulose, which is the main component of plant cell walls. One of the key adaptations in ruminants is the presence of cellulose digesting bacteria in their digestive system. These bacteria reside in the rumen, which is the largest chamber of the ruminant stomach. They have the ability to break down cellulose into simpler compounds such as volatile fatty acids, which can be absorbed and used as a source of energy by the ruminant.
Statement (ii): Such digestion by microbial activity is called antagonistic digestion.
This statement is incorrect. The term "antagonistic digestion" is not used to describe the digestion process in ruminants. The correct term to describe the digestion of cellulose by microbial activity in ruminants is "fermentation." Fermentation is a symbiotic process where the ruminant provides a suitable environment for the bacteria to thrive, and in return, the bacteria break down the cellulose and produce volatile fatty acids.
Statement (iii): Camels and deers are ruminants lacking an omasum chamber.
This statement is correct. Camels and deer are examples of ruminants, but they lack an omasum chamber in their digestive system. The omasum is the third chamber of the ruminant stomach, located between the reticulum and abomasum. It acts as a filter, removing excess water and absorbing nutrients from the digesta before it enters the abomasum for further digestion. However, in camels and deer, this chamber is either greatly reduced or absent, and the digesta bypasses directly from the reticulum to the abomasum.
Conclusion:
Based on the analysis, statement (i) and (iii) are correct, while statement (ii) is incorrect. Therefore, the correct answer is option B, which states that only statement (i) and (iii) are correct.
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