The Question is from neet-zoology , and it was created by the author T SAILAJA

Question

Unlike mammals that primarily excrete urea, cockroaches excrete uric acid. This difference is MOSTLY attributed to:

T SAILAJA · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C. Different habitats and water availability
## CONCEPT FRAMEWORK
 **Primary Concept**: Comparative physiology of excretion
 **Related Topics**: Osmoregulation, adaptation to different environments, nitrogenous waste
 **Prerequisites**: Understanding of the properties of urea and uric acid
## SOLUTION PATHWAY
**Given Information**:
  Mammals excrete urea, while cockroaches excrete uric acid. The question asks for the main reason for this difference.
**Method & Steps**:
 1. Compare the habitats of mammals and cockroaches.
  Reasoning: Mammals generally have access to more water than cockroaches.
 2. Analyze the water requirements of urea and uric acid excretion.
  Working: Urea excretion requires more water than uric acid excretion.
 3. Relate the excretion type to habitat and water availability.
  Result: The difference in excretion is mainly due to different habitats and water availability.
  Verification: This explains why mammals, with better access to water, excrete urea, while cockroaches, in drier environments, excrete uric acid.
 ## OPTION ANALYSIS
A] :x: Dietary requirements influence metabolic processes, but not the primary reason for the difference in nitrogenous waste.
B] :x: Metabolic rates affect the amount of nitrogenous waste, but not the type of waste.
C] ✓: Different habitats and water availability is the primary reason for the different excretory products.
D] :x: Modes of reproduction are unrelated to the type of nitrogenous waste excreted.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Focusing on metabolic differences without considering environmental factors.
  2.Overlooking the importance of water conservation in determining the type of nitrogenous waste.
 **Quick Tips**:
  1.Remember that water availability is a key factor shaping excretory strategies.
  2.Associate uric acid with water conservation and urea with less stringent water conservation needs.

T SAILAJA · Answer

Different dietary requirements

T SAILAJA · Answer

Different metabolic rates

T SAILAJA · Answer

The correct Option is "Different habitats and water availability"

T SAILAJA · Answer

Different modes of reproduction

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