Which of these can explain the reason for mud houses being common in desert areas like Rajasthan?
AMud absorbs heat and keeps the house cool.
BRainfall is very scarce in Rajasthan.
CThe roofs are made of thorny bushes.
DBoth A and B
If it is possible to make a meaningful word from the first, second, third, fifth and eighth letters of the word WORDLORE using each letter only once, third letter of the word would be your answer. If only two such words can be formed, your answer would be ‘M’. If more than two such words can be formed, your answer would be ‘N’. And if no such word can be formed your answer would be ‘X’.
What is the other word apart from 'lower'?
Select the incorrect option.
A Helps in producing babies – Reproductive system
B Controls our actions – Nervous system
C Provides oxygen to all parts of the body – Respiratory system
D Removes wastes from the body – Excretory system
This is a wrong question. All options given here are correct.
Match the column I with column II and choose the correct option from the codes given below:
|Column I||Column II|
|P. Digestion of food in our body||(i) Fast change|
|Q. Earthquake||(ii) Natural, desirable change|
|R. Falling of stone||(iii) Natural, undesirable change|
|S. Change of seasons||(iv) Slow change|
A P - (iv), Q - (ii), R - (iii), S - (i)
B P - (iii), Q - (iv), R - (ii), S - (i)
C P - (ii), Q - (i), R - (iv), S - (iii)
D P - (iv), Q - (iii), R - (i), S - (ii)
Correct answer is D coming season is natural and desirable
Select the correct statement out of the following.
A Sandy soil needs regular addition of fertilisers as it holds a large amount of water.
B Loamy soil has good qualities of both sandy and clayey soil and thus is most suitable for pottery.
C Clayey soil develops cracks in hot weather causing harm to the roots of plants, thus is not suited for agriculture.
D The water holding capacity is highest in clayey soil and lowest in loamy soil.
Loamy soil is a mixture of sand and clay , which is suitable for growing plants . So, option (B) is also correct
Select the group in which odd one out is NOT encircled correctly.
ACamel, Elephant, Mule
BAeroplane, Helicopter, Jet
CPilot, Driver, Captain
DRose, Coriander, Truck
During the science activity, Ms Prabha demonstrated an experiment in following steps:
Step 1 : She burned a substance X over the candle flame and white dazzling light was observed. Also white powdery ash was left behind.
Step 2 : She mixed the white ash formed with small amount of water. Then she dipped red and blue litmus papers into the solution one by one.
Which of the following observations are correct?
I. The substance burned in step 1 was magnesium.
II. The white ash formed in step 1 was magnesium oxide.
III. The solution formed in step 2 was acidic in nature
IV. The solution formed in step 2 turned blue litmus red.
A I and II only
B III and IV only
C I, II and III only
D II, III and IV only
I think the correct answer is a but the trainer is showing b