Refer to the given figure and select the incorrect option regarding it.
A In some plants, W plays no important role in reproduction, e.g., sugarcane.
B In some plants, X is used for reproduction, e.g., rose.
C In some plants, Y is edible, e.g., cucumber.
D In some plants, Z is edible, e.g., cabbage.
Which of the following statements is incorrect?
A Ghee and butter provides more energy than rice and chapatis.
B Chicken and eggs help us to grow and build strong muscles.
C Deficiency of iodine causes anaemia.
D Vitamin A keeps eyes and bones healthy.
Deficiency of iron causes anaemia.
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