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Mercury freezes at -39°C, whereas alcohol freezes at temperatures well below -100°C. This makes alcohol suitable for measuring very low temperatures. On the other hand, mercury boils at 357°C, while alcohol boils at 78°C, making mercury more appropriate for measuring high temperatures. Thus, both (A) and (R) are true and (R) correctly explains (A). Hence, the correct answer is (B).
Which plough helps cutting of creeping or spreading grass and inversion?
The development of new variety through identification and isolation of single best plant progeny is known as
Which plant exhibits modified papery calyx enclosing the fruit loosely with entrapped air for seed dispersal ?
Who is responsible for implementing NPOP in India?
A dwarfing rootstock suitable for kinnow mandarin is _____
A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called
Which fungal disease affects rice plants and is characterized by white, powdery growth on leaves and stems?
Which of the following is popularly known as queen of nut crops?
Based on morphology, weeds are NOT classified as ________.
The branch of Horticulture that deals with the cultivation of vegetables is called