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A student performed an experiment to demonstrate how different soils absorb and retain water. In this experiment, he used three types of soil: sandy soil, clayey soil and loamy soil. Which soil type is likely to show the slowest absorption of water?

A Sandy soil
B Clayey soil
C Loamy soil
D All soils absorb water at the same rate

A body when floats in water, (1/4)^th of its volume remains outside water. When it floats in another liquid, half of its volume remains outside the liquid. Then the density of the liquid is

A
B
C
D

Refer to the given picture and answer the following questions.

Match the locations in column I with their directions from Parul’s house in column II and select the correct option.


A a-3, b-4, c-1, d-2
B a-2, b-1, c-4, d-3
C a-4, b-3, c-1, d-2
D a-4, b-3, c-2, d-1

Select a figure from the options which satisfies the same conditions of placement of dots as in the given figure.


A
B
C
D

Select the incorrect match.

A Lysosome – Facilitate entry of sperm nucleus into ovum.
B Mitochondria – Vary in number depending upon the activity level of a cell.
C Vacuoles – Maintain osmotic balance of the cell
D Centrosome – Facilitate spindle formation in all eukaryotic cell.

Refer to the given picture and identify forms of pollution which are evident in the scene.


A Air, Noise, and Soil Pollution
B Water, Soil, and Air Pollution
C Air, Noise, and Water Pollution
D Soil, Air, and Noise Pollution

Refer to the given Venn diagram and select the correct option regarding X, Y and Z.


AX could be frictional force while Y could be muscular force.
BX could be magnetic force while Z could be muscular force.
CY could be magnetic force while X could be electrostatic force.
DNone of these

Which of the following can be placed in the area marked 'P' in the given Venn diagram?


AOxygen
BWater
CClay
DPaper

Which of the following is a correct match?

AExport of oil in barrels - Motorcycle
BIn-city travel - Submarine
CCross country travel - Aeroplane
DNone of these

Study the given setup. The rubber tube at the middle is to breathe in and out through the mouth. While sucking in air through the rubber tube, clip X is opened and clip Y is closed. The inhaled air passes through lime water in test tube
A. While exhaling through the rubber tube, clip Y is opened and clip X is closed. The exhaled air passes through lime water in test tube B.

Which of the following can be observed at the end of the given experiment?

ALime water turns more milky in test tube A.
BLime water turns more milky in test tube B.
CLime water turns milky equally in test tubes A and B.
DLime water does not turn milky at all in both the test tubes A and B.