Select the odd one out on the basis of causative agent.
(C) Whooping cough
The given figure shows the mechanism of breathing through lungs. From the following statements, select the statement that is incorrect with respect to the mechanism of inhaling.
(A) The breast bone moves forward.
(B) The diaphragm flattens.
(C) The ribs move downward and outwards.
(D) The ribs move upward and outwards.
my answer is 'd', is it correct?
Study the 4 set-ups below. Which two of them can be used to show that water expands when heated and contracts when cooled?
(a) P and Q
(b) Q and S
(c) P and S
(d) R and S
Ans 1: (Master Answer)
Unscramble the words to find the organism that undergo moulting.
(D) All of these
does maggot undergo moulting?
A rectangular piece of paper is folded as shown. Find the perimeter of the paper before it is folded.
(A) 48 cm
(B) 56 cm
(C) 68 cm
(D) 60 cm
Read the statements given below and choose the correct option.
Statement 1 :Thermosetting plastics which when moulded once, cannot be softened by heating.
Statement 2 : PVC is a thermosetting plastic.
ABoth statements are correct and statement 2 is correct explanation of statement 1.
BBoth statements are correct but statement 2 is not a correct explanation of statement 1.
CStatement 1 is correct but statement 2 is incorrect.
DBoth statements are incorrect.
What plastic is PVC?
Four identical syringes were filled with different substances as shown. In which syringe will the plunger not move at all when pushed in ?
Can anybody explain me please ?