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Reptile and bird egg are...

Reptile and bird egg are

A

Macrolecithal

B

Oligolecithal

C

Mesolecithal

D

Alecithal.

Text Solution

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about the type of eggs that reptiles and birds produce. We need to identify the correct classification based on the characteristics of these eggs. 2. **Identifying Characteristics of Reptile and Bird Eggs**: Reptiles and birds are terrestrial animals, meaning they live on land. Their eggs are characterized by being rich in yolk and having a porous shell. This allows for the necessary nutrients to support the developing embryo. 3. **Defining Key Terms**: - **Macrolensital**: Eggs that have a large amount of yolk. - **Oligolensital**: Eggs that have a small amount of yolk, unevenly distributed. - **Mesolensital**: Eggs that have a medium amount of yolk. - **A-lesital**: Eggs that have no yolk at all. 4. **Analyzing the Options**: Given the characteristics of reptile and bird eggs: - Since they have a large amount of yolk, we can eliminate oligolensital, mesolensital, and A-lesital as they do not fit the description. 5. **Conclusion**: Based on the analysis, the correct classification for reptile and bird eggs is **macrolensital**. Therefore, the answer is option A.
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