After four successive mitotic divisions of a cell,in an arithmetic growth pattern,the total number of cells that have lost the ability of cell division is . . . . . . .

Which of the following statements are correct regarding the conditions necessary for plant growth?
i. Microelements and macroelements are required for the proper growth of the plant.
ii. For proper growth of plant,optimum temperature ranges between $15^{\circ} C-25^{\circ} C$.
iii. In the absence of oxygen,the process of respiration and release of energy takes place in all plants.
iv. Gravitational force decides the direction of growth of the shoot and root.
v. Light is essential for the germination of some seeds and photosynthesis.

$A$ few normal seedlings of tomato were kept in a dark room. After a few days,they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?

Grand place of growth is another name for:

Describe briefly:
$(a)$ Arithmetic growth
$(b)$ Geometric growth
$(c)$ Sigmoid growth curve
$(d)$ Absolute and relative growth rates

In watermelon,cells can increase in size up to $...........$ times.