Study the given table and select the correct option regarding P, Q and R.
AP is modified to store food as in sweet potato or peepal.
BQ is always underground and modified to store food.
CR is non-green and non-photosynthetic and performs the function of reproduction only.
DP could be dahlia or turnip.
Amit records some observations regarding the Moon every night at 8:00 P.M. for a month. Which of the following statements best describes Amit's observations?
(a) The Moon stays in one place in the sky and appears to change shape.
(b) The Moon moves across the sky and appears to change shape.
(c) The Moon stays in one place in the sky and looks like it has the same shape.
(d) The Moon moves across the sky and looks like it has the same shape.
Select the action which involves a force different from the other three.
AStretching a spring
BKicking a football
CPressing a button on keyboard
DShoving a friend
Select the correct option regarding the organ system shown here.
A If part P is removed, food will not be masticated and absorbed.
B If part Q is removed, water from food will not be absorbed.
C If part R is removed, complete digestion of all food components will not take place.
D None of these.
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Study the given diagram.
Which of the following represents the small intestine?
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In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?
A Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate.
B Amount of oxygen evolved decreases as the availability of carbon dioxide increases.
C Amount of oxygen evolved increases as the availability of carbon dioxide increases.
D Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate.
An electric current is passed through a conducting solution. Following are the some observations:
(i) Deposits of metal may be seen on electrodes
(ii) Solution may get heated
(iii) Bubbles of gas may be formed on the electrodes
A Only (ii) is true.
B Only (i) and (ii) are true.
C Only (i) and (iii) are true.
D All (i), (ii) and (iii) are true.