-
question_answer1)
At night plants take in X and animals take in Y, during breathing. Select the option that correctly identifies X and Y.
A)
B)
C)
D)
View Solution play_arrow
-
question_answer2)
During the process of condensation water in ____ state changes to state.
A)
Liquid, Gaseous done
clear
B)
Gaseous, Solid done
clear
C)
Solid, Liquid done
clear
D)
Gaseous, Liquid done
clear
View Solution play_arrow
-
question_answer3)
If (E) is evaporation, (c) is condensation and (P) is precipitation, the correct sequence of these processes in water cycle is
A)
E\[\to \]C\[\to \]P done
clear
B)
P\[\to \]C\[\to \]E done
clear
C)
C\[\to \]E\[\to \]P done
clear
D)
E\[\to \]P\[\to \]C. done
clear
View Solution play_arrow
-
question_answer4)
Rock X is very hard to break while rock Y can be easily powdered using hands. Select the correct option regarding X and Y.
A)
B)
C)
D)
View Solution play_arrow
-
question_answer5)
______ soil is the best soil to make pots.
A)
Sandy done
clear
B)
Loamy done
clear
C)
Clayey done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer6)
Rocks break into smaller particles under the effect of _____ and form soil.
A)
Temperature change done
clear
B)
Water done
clear
C)
Wind done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer7)
Select the symbol that indicate the weather in which we need to wear both the objects shown in the box.
A)
B)
C)
D)
View Solution play_arrow
-
question_answer8)
The given graph shows the temperature of water as it is heated. The period from X to Y shows ____.
A)
Melting point done
clear
B)
Water gain done
clear
C)
Heat loss done
clear
D)
Boiling point done
clear
View Solution play_arrow
-
question_answer9)
The given figure shows a cycle of state change of water. What is X, Y and Z?
A)
B)
C)
D)
View Solution play_arrow
-
question_answer10)
Why is air important in soil?
A)
It holds water that plants can absorb. done
clear
B)
It helps the soil particles to stick together. done
clear
C)
It allows plant roots and soil animals to breathe. done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer11)
Refer to the given figure. What will be formed as the result of the process shown here?
A)
Humus done
clear
B)
Soil done
clear
C)
Air done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer12)
Select the option which on unscrambling gives the name of dark coloured nutrient rich component of soil.
A)
VRAEGL done
clear
B)
MUUSH done
clear
C)
ANSD done
clear
D)
YLAC done
clear
View Solution play_arrow
-
question_answer13)
Select the correct statement.
A)
The tiny grains that make up a rock are called minerals and there are always more than one mineral in a rock. done
clear
B)
Sandstone is the hardest rock while granite is the softest rock. done
clear
C)
Rocks break under the effect of sun, wind, water etc. and form humus that makes soil productive. done
clear
D)
Talc is the softest mineral while diamond is the hardest mineral. done
clear
View Solution play_arrow
-
question_answer14)
Match the column I with column II and select the correct option.
Column I | Column II |
(a) Noise pollution | 1. Bathing in rivers with soap |
(b) Air pollution | 2. Factory chimneys |
(c) Water pollution | 3. Burning wood |
| 4. Unnecessary blowing horns |
| 5. Throwing untreated waste in water bodies |
A)
(a)-2,3; (b)-5; (c)-4,1 done
clear
B)
(a)-1,5; (b)-2,3; (c)-4 done
clear
C)
(a)-4; (b)-2,3; (c)-1,5 done
clear
D)
(a)-4; (b)-1,5; (c)-2,3 done
clear
View Solution play_arrow
-
question_answer15)
The diagrams below show the samples of sticky tapes that were left with their sticky surfaces exposed to air at different locations X, Y and Z in a school.
|
|
From the amount of dust stuck on the sticky surfaces, select the area which has the maximum level of air pollution.
|
A)
X done
clear
B)
Y done
clear
C)
Z done
clear
D)
Cannot be determined done
clear
View Solution play_arrow
-
question_answer16)
Rashmi took three troughs each containing equal amounts of soil taken from different locations. Rashmi poured 500 mL of water gently onto the soil in each trough. Her observation after 30 minutes is shown in the given figure.
|
|
According to the observations, which trough contains soil that is the most likely to be found at the base of a pond?
|
A)
Soil in trough E because it absorbed the most wafer. done
clear
B)
Soil in trough F because it absorbed the most water. done
clear
C)
Soil in trough G because it absorbed the least water. done
clear
D)
Soil in trough E because it absorbed the least water. done
clear
View Solution play_arrow
-
question_answer17)
Sheetal has taken an empty bottle and Balloon fixed a deflated balloon on its mouth. She placed the bottle in a container filled with hot water. After some time, the balloon gets inflated as shown. What could be the most appropriate reason for this?
A)
Air when gets heated becomes heavier done
clear
B)
Air when gets heated becomes lighter and settles down. done
clear
C)
Air when gets heated becomes heavier and settles down. done
clear
D)
Air when gets heated becomes lighter and rises up. done
clear
View Solution play_arrow
-
question_answer18)
Three identical containers, X, Y and Z were filled with the same amount of tap water, boiling water and ice respectively and were left in a room. Which of the following graphs shows the temperature change in each container after some time?
A)
B)
C)
D)
View Solution play_arrow
-
question_answer19)
The given graph provides information about noise level in different situations.
|
Which of the following scenarios can create a noise level as indicated on the graph by the letter X?
|
|
A)
A plane taking off done
clear
B)
A dog barking done
clear
C)
Honking of a car done
clear
D)
Metro train moving on tracks done
clear
View Solution play_arrow
-
question_answer20)
Ravi took 100 gms each of three different soils P, Q and R in three identical troughs each with a hole at the base. He poured water (20 mL) over these three soils and collected the water dripping from the trough holes in similar graduated beakers X, Y and Z respectively for soils P, Q and R. His readings were as follows:
Beaker X | Beaker Y | Beaker Z |
8 mL | 12 mL | 12 mL |
Now, select the soil that is most suitable for pottery.
A)
P done
clear
B)
R done
clear
C)
Q done
clear
D)
None of these done
clear
View Solution play_arrow