The phenomenon where flowering is dependent on exposure to low temperatures is known as:

Breeding of crops with high levels of minerals,vitamins,and proteins is called:

In an experiment with a beam balance,an unknown mass $m$ is balanced by two known masses of $16\,kg$ and $4\,kg$ as shown in the figure. The value of the unknown mass $m$ is ......... $kg$.

Which of the following is a worker bee in a honeybee colony?

The reaction sequence given below is carried out with $16$ moles of $X$. The yield of the major product in each step is given below the product in parentheses. The amount $($in grams$)$ of $S$ produced is $.....$
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Use: Atomic mass $($in amu$): H =1, C =12, O =16, Br =80$

The locus of the point $z=x+iy$ satisfying $\left|\frac{z-2i}{z+2i}\right|=1$ is