NSO Level 1 Science Olympiad (SOF) Class 9: Questions 534  539 of 1123
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Question number: 534
» Biology » Improvement in Food Resources
Question
Varieties of crops can be selected for breeding by taking various useful characteristics into consideration. One of the characteristics is:
Choices
Choice (4)  Response  

a.  Plant growth 

b.  Height of the plants 

c.  High yields 

d.  All of the above 

Question number: 535
Question number: 536
Question
A cube of side 6 cm is painted on all its 6 faces with red colour. It is then broken up into 216 smaller identical cubes. What is the ratio of.
Where, number of smaller cubes with no coloured surface,
Number of smaller cubes with 1 red face and
Number of smaller cubes with 2 red faces.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 537
Question
Rahul’s present age is threefifth of the age of his mother. After 10 years, he will be onehalf of the age of his mother. How old is the mother at present?
Choices
Choice (4)  Response  

a.  45 

b.  40 

c.  50 

d.  55 
