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Which of these is true of mountain dwellers in relation to people residing at sea level?

AMountain dwellers have greater vital capacity and enlarged thoracic cavity
BMountain dwellers have reduced vital capacity and compressed thoracic cavity
CMountain dwellers inhale a smaller amount of air than people living at sea level
DMountain dwellers have a reduced concentration of red blood cells compared to people living at sea level.

Anshuman pushed an inverted empty glass into a basin of water. He noted the water level in the glass at different stages and marked them.
Where would the water level inside the glass be, when the glass is dipped fully?


AP
BQ
CR
DS

Four closed beakers contain ice, water, steam, and water vapor, as shown in the given figure. Their respective temperatures are –5° C, 30° C, 115° C, and 45° C.

Aice < water < steam < water vapor
Bwater < ice < steam < water vapor
Cice < water < water vapor < steam
Dwater < ice < water vapor < steam

Study the given flow chart and select the option which can fill empty spaces X, Y and Z correctly.



AX - Rice, Y - Almond, Z - Milk
BX - Rice, Y - Milk, Z - Apple
CX - Mango, Y - Wheat, Z - Rice
DX - Milk, Y - Black gram, Z - Bajra

Study the description given below.

Which of the following pairs of plants can 'X' and 'Y' be?

----------X--------------Y
A Water lily-----Water lettuce
B Water hyacinth-----Water lily
C Water lettuce-----Watch hyacinth
D Water moss fern-----Water lily

Energy used by green plants to make food is __________.

A Wind energy
B Potential energy
C Chemical energy
D Solar energy

Which of the following statements regarding vermicompost is correct?

(A) It is prepared from plant and animal wastes by red worms.

(B) It is harmful for the animals living in the soil.

(C) It is less beneficial for plants than chemical fertilizers.

If the Sun is as big as a 'Football', then the Earth will be as small as a

(A) Ping pong ball

(B) Bean seed

(C) Tennis ball

Which mark is necessary on electric appliances?

(A) ISI

(B) FICC

(C) AGMARK

Raju is a labourer and works at the site of flyover construction. He works very hard from morning to night. He needs to have strong muscles and bones as he has to carry heavy bricks, cement and other things from one place to another.
Which of these food items would help him to build strong body?

A
B
C
D