Question : Cross-demand expresses the functional relationship between

Option 1: demand and price of related commodities

Option 2: demand and income

Option 3: demand and price

Option 4: demand and supply

Question : The number of Hydrogen bonds between Guanine and Cytosine in DNA is

Option 1: 2

Option 2: 3

Option 3: 4

Option 4: 1

Question : The lungs of a plant are:

Option 1: Leaves

Option 2: Stems

Option 3: Flowers

Option 4: Roots

Question : Opium is a plant product obtained from:

Option 1: dried leaves

Option 2: dried latex

Option 3: roots

Option 4: stem bark

Question : If $4 \sin ^2 \mathrm{A}-3=0$ and $0 \leq \mathrm{A} \leq 90^{\circ}$, then $3 \sin \mathrm{A}-4 \sin ^3 \mathrm{A}$ is:

Option 1: $\frac{1}{2}$

Option 2: $\sqrt{\frac{3}{2}}$

Option 3: $0$

Option 4: $1$