Class 7, NCERT (CBSE) Science
Chapter 9, Soil
CBSE Guide - CBSE Sample Questions Answers
Short answer CBSE Questions (1 mark question)
Q.1: What are the important constituents of soil?
(a) Soil profile
Q.3: Give one feature of well aerated soil.
Q.4: What are the factors that influence soil formation?
Long answer CBSE Questions (3 – 4 mark questions)
Q.1: What are the organic and inorganic components of soil?
Q.2: List out the various types of vegetation grown on different types of soil.
Q.3: What is soil profile? Discuss the layers found in the soil profile.
Objective type CBSE Questions (1 mark questions)
Q.1: Fill in the blanks:
(a) Soil is formed by ______ of rocks.
(b) A dark soil is usually rich in ________.
(c) Soil erosion can be stopped by ____.
(d) ______ soil is used to make pots, toys and statues.
(e) _______ portion of soil contains air.
(f) Percolation rate of water is highest in _____ soil and least in ____ soil.
(g) The proportion of sand, silt and clay in a soil sample determines ________ of soil.
(h) Particle size of sandy soil range between _______.
(i) Particle size greater than 2.0 mm is known as ______.
(j) Deep ploughing and over grazing can cause ______.