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 ?
Which of the following statements is INCORRECT?
ABrain controls all the body parts through nerves.
BWhen we breathe in air, the lungs increase in size.
CSimilar cells join together to form organs.
DReproductive system of men is different from women.
Study the following conversation.
Choose the correct statement with respect to X, Y and Z.
AX can be iron and Z can be vitamin A
BY can be vitamin D and Z can be roughage.
CX can be calcium and Z can be fruits.
DX can be iron and Y can be vitamin C
Festival 'X' comes
AAfter Christmas and before 31st December
BAfter Raksha Bandhan and before Gandhi Jayanti
CAfter Gandhi Jayanti and before Christmas
DAfter Holi and before Good Friday