Olympiad Test: Coding And Decoding - Class 5 MCQ

Solution

• Green crab, minnow, and sea bass are classified as carnivores. This means they consume other organisms for their sustenance.
• Algae is classified as a producer. This means it creates its own food, primarily through photosynthesis.

Given that carnivores and producers have fundamentally different dietary strategies, algae is the organism that doesn't correlate with the other three. It belongs to a different dietary category.

Conclusion

Therefore, algae is the organism that should be crossed off as it doesn't fit the dietary pattern of the other organisms listed under the "Carnivore" category.

 the Coleoidea subclass (cuttlefish, squid, and octopuses) is thought to be the most intelligent invertebrates and an important example of advanced cognitive evolution in animals, though nautilus intelligence is also a subject of growing interest among zoologists.

• Statement 1: True - All fish possess gills that allow them to extract oxygen from water.
• Statement 2: True - Fish are primarily aquatic creatures, living in oceans, rivers, and lakes.
• Statement 3: True - Fins help fish maintain balance and navigate through water.
• Statement 4: Not true - Most fish are cold-blooded, meaning their body temperature is regulated by the surrounding water.

- Cranes and herons are categorized as wading birds.
- Wading birds have adaptations like long legs and spread-out toes.
- These features help them stand and walk in shallow waters.
- They wade through water to catch food, such as fish and insects.
- This distinguishes them from other bird categories: