Refer to the given graph representing the proportion of undigested food in different parts of digestive system P-S. Identify the parts and select the correct option regarding them.
AP is buccal cavity while S is stomach.
BQ is small intestine while R is oesophagus.
CS is oesophagus while R is small intestine.
DP is large intestine while Q is small intestine.
Raj has put two different objects in each of the following containers.
Container (i) : copper coin and iron nail
Container (ii) : steel nail and aluminium earring
Container (iii) : marble and gold coin
Container (iv) : nickel coin and steel nail
He can use a magnet to separate the objects in containers __________ .
A(i) and (ii)
B(i), (ii) and (iii)
C(i), (ii) and (iv)
D(i), (ii), (iii) and (iv).
Sohan has two similar balloons. He inflated one of the balloons with air. He then tied the two balloons to the two ends of a lever balance. Which of the following represents the correct position of the lever balance in this experiment?
DNone of these
Answer should be A not C........It is so confusing !!!!!!!!!!!!!!