Refer to the given figure showing changes in the state of water. Which of the following is correct regarding it?
AProcess Z is responsible for melting of ice-cream.
BProcess W is responsible for formation of vapours.
CProcess X involves in preserving food items at low temperature.
DProcess Y is responsible for formation of hailstones.
The given graph shows changes in the concentration of lactic acid in the muscles of an athlete both during and after race.
At what time did the athletes finish the race?
A 2 minutes
B 5 minutes
C 4 minutes
D 6 minutes
Select the correct sequence of words to complete the given passage.
The pharynx actually has two apertures, one opening into the windpipe and the other into the _____. The aperture opening into the windpipe is guarded by _____. It closes the windpipe when you take _____.
A Oesophagus, Uvula, Food
B Stomach, Epiglottis, Water
C Oesophagus, Epiglottis, Food
D Liver, Uvula, Water
Read the given statements (i-iv) with one or two blanks and select the option that correctly fills any two of the statements.
(i) In grafting, a cutting having buds from one plant called the ______ is kept over the stem with roots of another plant called the ______.
(ii) Unorganised mass of the cells in the tissue culture is called_____.
(iii) The shoot forming part of embryo is called _____ while the root forming part of embryo is called____.
(iv) The process of fusion of male gamete with female gamete to form a zygote is called____.
A (i) Scion, Stock; (iv) Pollination
B (ii) Callus; (iii) Plumule, Radicle
C (ii) Explant; (iii) Radicle, Plumule
D (i) Stock, Scion; (ii) Reproduction
Select a suitable figure from the options which will continue the same series established by the five problem figures.
Refer to the given figure of water cycle and answer the following questions.
Which of the following represents the process involved in the formation of dew?