Subject :NSO Class : Class 3
Subject :NSO Class : Class 7
Select the correct statement(s) regarding the soil types X, Y and Z.
| Soil type | Feature |
|---|---|
| X | It contains very small quantity of silt and clay and cannot hold much water. |
| Y | It is poorly aerated but can hold much water. |
| Z | It is high in humus content and has a very good water holding capacity. |
(ii) Y type of soil is best suited for plant growth.
(iii) Z represents clayey soil and is not suitable for plant growth.
A(i) and (iii) only
B(i) only
C(ii) and (iii) only
D(i), (ii) and (iii)
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Subject :NSO Class : Class 7
Riya performed an experiment in which an object is
kept at the pole of a spherical mirror/lens, and then it is
moved along the principal axis away from the pole towards infinity.
She plots a graph between the image distance v and the
object distance u as shown in the given figure.
In column I, nature of the mirror/lens is given and in
column II the numbers corresponding to the curves on
the graph are given. Match column I with column II
and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| (p) | Converging mirror | (i) | 1 |
| (q) | Diverging mirror | (ii) | 2 |
| (r) | Converging lens | (iii) | 3 |
| (s) | Diverging lens |
Ap-(i); q-(ii); r-(i); s-(iii)
Bp-(iii); q-(ii); r-(ii); s-(iii)
Cp-(ii); q-(i); r-(i); s-(ii)
Dp-(i); q-(ii); r-(i); s-(ii)
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 7
