Read the given differences between X, Y and Z.
Select the correct statement regarding X, Y and Z.
A X is permeable to gases and other substances while Y and Z are impermeable.
B X and Y are permeable to gases and other substances while Z is impermeable.
C X and Z are permeable to gases and other substances while Y is impermeable.
D Y is permeable to gases and other substances while X and Z are impermeable.
PLS SOMEBODY EXPLAIN THE ANSWER
Match column I with column II and select the correct option from the codes given below.
|Column I (Salts)||Column II (Uses)|
|P. Baking soda||1.In making fire-works|
|Q. Nitre||2.As a fungicide|
|R. Blue vitriol||3.In purification of water|
|S. Phitkari||4.In fire extinguishers|
A P-3; Q-2; R-4; S-1
B P-4; Q-3; R-1; S-2
C P-4; Q-1; R-2; S-3
D P-2; Q-1; R-4; S-3
10 gms of three food components were taken and mixed with digestive juice from organ X under suitable conditions. The change in the amount of these food components after some time is shown here. The organ X can be ________.
Misha dislikes milk and milk products and refuses to take them. In her diet, major portion is of rice, pulses and fish. This dietary routine will eventually result in weak _______.
D Both (B) and (C)
as fish is rich with calcium, bones and teeth are not supposed to be weaker.
I am a four legged animal which has three stages in life cycle. Which of these is my young one?