Ayush's elder brother regularly goes for gymming and wants to build muscles. Ayush, on the other hand is weak and easily falls ill. Which of the following foods should be taken more by(A)Ayush and (B) his elder brother?
B2 ---- 4
D2 ---- 1
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Study the given experimental set-up. Which one of the following shows the shadow that is cast on the screen when the torchlight is switched on?
I donât understand this question I know very happy Diwali happy childrenâs day
Three different types of fabrics P, Q and R were taken and burnt. Upon burning fabric P gave smell of burning paper, fabric Q gave smell of charred meat and fabric R gave smell of burning hair. Identify fabrics P, Q and R, and select the correct statement regarding them.
AFabric R can be obtained from fruit of a plant and fabric Q can be obtained from stem of a plant.
BFabric R can be obtained from the fur of an animal and fabric Q can be obtained from pupa of an animal.
CFabric Q can be obtained from the fur of an animal and fabric P can be obtained from pupa of an animal.
DNone of these
If 'Pen' is written as 'Eraser', 'Eraser' is written as 'Book' and 'Book' is written as 'Watch', then _______ is used to erase anything written wrong.
Eraser is used to erase anything wrong,but Eraser is written as 'Book',so answer is C
Fill in the blanks by choosing an appropriate option.
When sugar is dissolved in water, it undergoes a (i) change but if sugar is heated in a test tube over the Bunsen burner flame, it first melts, turns brown and finally turns (ii) . The new substance formed is (iii) and the change is a (iv) change.
|A||Physical, reversible||Black||Charcoal||Chemical, irreversible|
|B||Physical, irreversible||Black||Coal||Chemical, irreversible|
|C||Physical, irreversible||Red||Charcoal||Chemical, reversible|
|D||Physical, reversible||Red||Coal||Chemical, reversible|
Refer to the given figures of machines P, Q, R and S which represent different joints of our body. Identify the joints according to movement of these machines and select the correct option.
A P type of joint is found between the upper arm bone (humerus) and shoulder.
B Q type of joint is present in our elbow and knee and allows movement in only one plane.
C S type of joint allows side to side as well as backward and forward movement, e.g. ankle and wrist joints.
D R type of joint allows the highest freedom of motion e.g., hip joint.