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Which of the following is correct food chain?

APlant ← goat ← human
BPlant → rabbit → fox → lion
CPlant → mice → moths → owl
DPlant → mice → lion → fox

Read the given passage and select the correct inferences from the information provided in it.
In liquids, the molecules are not packed as close together as in solids. There are spaces between the molecules. So, they can move around more freely. When sugar is dissolved in water, the sugar molecules fill these empty spaces.
Inference:
(i) When sugar dissolves in water, the volume of water increases.
(ii) Liquid has no definite shape and volume.
(iii) Liquid can flow.
(iv) When all the empty spaces between the water molecules are filled with sugar molecules, then no more sugar can be dissolved.

A (i) and (iii) only
B (ii) and (iii) only
C (i) and (iv) only
D (iii) and (iv) only

Read the given passage and select the option which fills blanks correctly. Many people wear particular dress called uniform. wears white coat. Ironing of clothes after washing . clothes should be dry cleaned. Insects eat up woollen clothes, so they should be stored with .

Ajay filled a bottle upto the rim with water, and placed it in the freezer. What he saw after a few hours is shown in the figure given here. What does it show?


AFreezing decreases mass of water.
BFreezing compresses water.
CFreezing increases volume of water.
DFreezing increases mass of water

Refer to the given figure representing seed dispersal. Select the option which correctly identifies plants X, Y and Z.


A
B
C
D

The activity that results in loss of top soil is ________.

ATerrace farming
BOvergrazing
CEmbankments
DAfforestation

The given classification table shows five different organisms found in a community.

Based on the information given in the table, which one of the following food webs is correct?

A
B
C
D

A fire extinguisher sprays foam or gas to cut off the supply of

AFuel
BAir
CWater
DHeat.

Select the correct statement about skeletal system in some animals.

AEarthworms have liquid skeleton i.e., the liquid trapped in body spaces keeps the body firm.
BSnails and sharks have only a skeleton outside their body i.e., an exoskeleton.
CSnakes and birds have hollow bones which reduces their body weight and makes movement easier.
DCockroaches have an endoskeleton made of chitin.