Question Text
Question 1 :
Which type of cell division is required for growth and repair of body?
Question 3 :
If the organization of a cell is destroyed due to some physical and chemical influence, it will not be able to maintain homeostasis and thus will not be able to perform basic functions ( such as respiration, obtaining nutrition ,etc. )and such a cell will ultimately die. Is it true?
Question 4 :
A cell having equal water concentration to its surrounding medium will neither gain nor lose water to the external medium.
Is it true?
Question 7 :
Soak seeds of green gram, wheat, maize, peas and tamarind. Once they become tender, try to split the seed. The seeds that do are the dicot seeds and the seeds that don’t are the monocot seeds. Now take a look at the roots, leaves and flowers of these plants. How many petals are found in the flower of these plants?
Question 8 :
The bewildering variety of life around us has evolved on the earth over ....... of years.