Question : Onion is an example of the bulb which is a modified

Option 1: stem

Option 2: root

Option 3: leaf

Option 4: flower

Question : Which of the following is not an example of an amphibian?

Option 1: Frog

Option 2: Sea horse

Option 3: Salamander

Option 4: Toad

Question : An example of an equality relation of two expressions in $x$. Which is not an identity, is:

Option 1: $(x+3)^{2}=x^{2}+6x+9$

Option 2: $(x+2y)^{3}=x^{3}+8y^{3}+6xy(x+2y)$

Option 3: $(x+2)^{2}=x^{2}+2x+4$

Option 4: $(x+3)(x–3)=x^{2}–9$

Question : Dolly was an example of cloned __________.

Option 1: dog

Option 2: cow

Option 3: sheep

Option 4: hen

Question : What is the ratio of inradius and circumradius of an equilateral triangle?

Option 1: 1 : 2

Option 2: 1 : 3

Option 3: 1 : 4

Option 4: 3 : 2