Four of the following five are similar in a certain way,

What is the primary component of a plant cell's wall?

Thinnest skin in the human body is 

Which of the following is used for measuring the rate of transpiration?

During photosynthesis, green plants absorb:

Which cellular organelle is nicknamed the "Protein factory" due to its role in synthesizing proteins?

Treatment of defective in heredity through Genetics engineering is

Which vitamin is also referred to as Tocopherol? 

To which kingdom does the amoeba belong?

Which bodily fluids are known to contain pheromones?

Fibrin, a fibrous protein, plays a crucial role in which of the following processes?