Question:
The form and physiology of leaves vary according to the -- in which they develop: for example, leaves display a wide range of adaptations to different degrees of light and moisture.
The form and physiology of leaves vary according to the -- in which they develop: for example, leaves display a wide range of adaptations to different degrees of light and moisture.
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Pay close attention to examples given in a sentence. They often serve as direct clues to the meaning of the missing word. Here, "light and moisture" are classic examples of environmental factors.
Updated On: Oct 1, 2025
- relationship
- species
- sequence
- patterns
- environment
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The Correct Option is
Solution and Explanation
Step 1: Understanding the Concept:
This question asks for the word that best describes the context influencing the development of leaves. The sentence provides specific examples to clarify this context.
Step 2: Detailed Explanation:
The sentence states that the form and physiology of leaves change based on a certain factor.
It then gives examples of this factor: "different degrees of light and moisture."
Light and moisture are key components of a plant's physical surroundings.
The collective term for these external conditions is the environment.
Let's check the other options:
(A) "relationship": This is too vague. A relationship with what?
(B) "species": While different species have different leaves, the sentence explains variation within leaves based on external factors (light, moisture), not just genetics.
(C) "sequence": This implies an order of development, which is not what the examples (light and moisture) describe.
(D) "patterns": This is a result of the variation, not the cause of it.
Step 3: Final Answer:
The examples of "light and moisture" directly point to the conditions of the surrounding environment as the factor causing variation in leaves. Thus, option (E) is the correct answer.
This question asks for the word that best describes the context influencing the development of leaves. The sentence provides specific examples to clarify this context.
Step 2: Detailed Explanation:
The sentence states that the form and physiology of leaves change based on a certain factor.
It then gives examples of this factor: "different degrees of light and moisture."
Light and moisture are key components of a plant's physical surroundings.
The collective term for these external conditions is the environment.
Let's check the other options:
(A) "relationship": This is too vague. A relationship with what?
(B) "species": While different species have different leaves, the sentence explains variation within leaves based on external factors (light, moisture), not just genetics.
(C) "sequence": This implies an order of development, which is not what the examples (light and moisture) describe.
(D) "patterns": This is a result of the variation, not the cause of it.
Step 3: Final Answer:
The examples of "light and moisture" directly point to the conditions of the surrounding environment as the factor causing variation in leaves. Thus, option (E) is the correct answer.
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