Refer the given diagram showing three states of matter and select the correct option
to answer the questions that follow:
a. Which of the states of matter has definite volume but not shape?
b. Which of the states of matter is the most compressible?
Read the given passage where some of the words have been italicised.
Cotton plant is annual shrub. It grows best in cold climate. Black soil is best suited for the cultivation of cotton plant. The stems of cotton plant are called cotton bolls. The seeds with cotton fibres are picked from the cotton bolls by hand. After picking the fibres are separated from the seeds by a process called combing.
Select the correct option regarding this.
A Annual should be replaced by biennial.
B Cold should not be replaced as it is correctly mentioned.
C Black should be replaced by yellow and stems should be replaced by fruits.
D Combing should be replaced by ginning.
answer is D
The process of water cycle that recharges water table and sometimes leads to floods, is also responsible for ___________.
A Drying of clothes
B Water loss from plant leaves
C Filling of wells
D Formation of dew drops
Which of the following statements are correct?
(i) Human body is a good conductor of electricity.
(ii) The air gap surrounding an electric circuit acts as a conductor.
(iii) Silver conducts electricity better than any other metal.
(iv) When electricity lights up a bulb, no heat is produced.
A (i) and (ii)
B (iii) and (iv)
C (i) and (iii)
D (ii) and (iii)
Can someone explain how the human body is a good conductor of electricity?
Label the dry cell in the correct order.
A (i) Carbon and Manganese dioxide mixture, (ii) Carbon rod, (iii) Ammonium chloride
B (i) Carbon rod, (ii) Ammonium chloride, (iii) Zinc container
C (i) Ammonium chloride, (ii) Zinc container, (iii) Carbon rod
D (i) Zinc container, (ii) Carbon rod, (iii) Carbon and Manganese dioxide mixture
The correct answer is C as the part labeled (i) is ammonium chloride, (ii) is zinc container and (iii) is carbon rod.
Read the given statements and select the correct option.
Statement 1 : Biodegradable wastes are also known as organic wastes.
Statement 2 : The origin of biodegradable wastes are living organisms.
(A) Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.
(B) Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.
(C) Statement 1 is correct but statement 2 is incorrect.
(D) Both statements 1 and 2 are incorrect.