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.
i like this question
Study the given diagram.
Which of the following represents the small intestine?
it was difficult to meit was difficult to me
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.
Which of the following is not a characteristic of plastics?
A Plastics are poor conductors of heat.
B Plastics are insoluble in water.
C Plastics are non-inflammable.
D Plastics do not react with water and air.
Read the given statements and mark the appropriate answer.
Statement 1 : Polyester is synthesised from petrochemicals by linking ester units.
Statement 2 : Polyester is a natural fibre.
A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.
Which of the following are means of mass communication?
A (D), (E), (F) and (I) only
B (D), (F), (g) and (h) only
C (g) and (h) only
D (g), (F) and (I) only
Select the INCORRECT statement.
A The juice bottle has a capacity of 2 kilograms.
B The bag of flour weighs 10 litres.
C The length of the hall is 10 meters.
D Both (A) and (B)