NCERT Class 7 Environment & Ecology — Chapter 1: Forests: our lifeline

mcqeasy

In a dense forest, the continuous roof-like layer formed by the branches of tall trees is known as:

Official previous-year question

Verified 1 Aug 2026.

Options

ACanopy
BCrown
CUnderstorey
DHabitat

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Solution

Correct Option

The correct option is

Canopy

Explanation

Forest ecosystems exhibit vertical stratification, where vegetation is arranged in distinct layers based on height and light requirements. These layers include the forest floor, understorey, canopy, and sometimes an emergent layer.

Option Analysis

Crown: This refers to the branchy part of an individual tree located above the stem. While crowns make up the upper layers, the term specifically denotes the structure of a single tree rather than the collective layer.
Canopy: This is the correct answer. In a dense forest, the crowns of tall trees overlap to form a continuous, roof-like layer over the lower vegetation. This layer intercepts the majority of sunlight and rainfall, regulating the microclimate of the forest floor.
Understorey: This layer consists of vegetation growing beneath the canopy but above the forest floor. It typically includes shrubs, herbs, and young trees that have not yet reached the canopy height.
Habitat: This is a broad ecological term referring to the natural environment in which a specific organism or community of organisms lives. It does not describe a structural layer of vegetation.

Key Takeaway: The Canopy is the continuous upper layer of foliage formed by the intermingling crowns of tall trees, acting as a roof over the forest, whereas the Crown refers to the top part of a single tree.

Your note

More from Chapter 1: Forests: our lifeline

With reference to the structure of a forest, consider the following statements: 1. The branchy part of a tree above the stem is known as the crown. 2. The roof-like structure formed by the branches is called the root system. 3. The forest floor is the only layer found in a forest. Which of the statements given above is/are correct?

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Consider the following statements regarding the vegetation layers in a forest: 1. Giant and tall trees constitute the top layer. 2. Shrubs and tall grasses form the lowest layer of the forest. 3. Herbs form the lowest layer of vegetation in the forest. Which of the statements given above is/are correct?

easy

In a dense forest ecosystem, the forest floor receives minimal sunlight primarily due to:

easy

With reference to the role of forests in the water cycle, consider the following statements: 1. Trees release water vapour into the air through the process of condensation. 2. The forest canopy intercepts raindrops, preventing them from hitting the ground directly. 3. Forests facilitate the infiltration of water into the ground. Which of the statements given above is/are correct?

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Consider the following statements about the "forest floor": 1. The forest floor is generally dark due to the dense canopy above. 2. The forest floor is completely devoid of any dead or decaying matter. 3. The forest floor is sterile and supports no living organisms. Which of the statements given above is/are correct?

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Correct Option

The correct option is

Canopy

Explanation

Option Analysis

Crown: This refers to the branchy part of an individual tree located above the stem. While crowns make up the upper layers, the term specifically denotes the structure of a single tree rather than the collective layer.
Canopy: This is the correct answer. In a dense forest, the crowns of tall trees overlap to form a continuous, roof-like layer over the lower vegetation. This layer intercepts the majority of sunlight and rainfall, regulating the microclimate of the forest floor.
Understorey: This layer consists of vegetation growing beneath the canopy but above the forest floor. It typically includes shrubs, herbs, and young trees that have not yet reached the canopy height.
Habitat: This is a broad ecological term referring to the natural environment in which a specific organism or community of organisms lives. It does not describe a structural layer of vegetation.