Which of the following is a star ?
Your site is not working properly. I chose option 'c' and your site is saying that I chose option 'b'.
Read the given statements and select the correct option.
Statement 1 : Fibres are first spun into yarns, which are then woven or knit into fabrics.
Statement 2 : Fibres are very thin and small and cannot be made into a fabric directly.
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
isn't the ans c
Which of the following are non-periodic changes?
I. Sunrise and sunset
II. Growth of plants
III. Occurrence of a rainbow
IV. Beating of heart
AII and III only
BII and IV only
CI and IV only
DAll of these.
A beaker of iced water was heated until it boiled. It was then left to cool to room temperature. The temperature of the water was taken at intervals of four minutes and the results were used to draw the graph as shown in the given figure. Approximately how long did the boiling water take to cool to room temperature ?
(A) 6 minutes
(B) 12 minutes
(C) 16 minutes
(D) 28 minutes
In the given food web, how many animals are
A. only plant eaters? B. only animal-eaters?
A 3 4
B 2 2
C 1 5
D 4 3
please explain this quistion
Select the incorrect statement from the following.
AArteries carry oxygenated blood.
BVeins have valves to prevent backflow of blood.
CBlood helps in regulating body temperature.
DPlatelets destroy the germs which have entered the body and help to fight infection.
what is the actual function of platelets?