A scientist is culturing leaf mesophyll cells. The cells lose their specialized features and form an unorganized mass. This is NOT an example of:

When transition from juvenile to adult is gradual than this type of development is called

I. Increased vacuolation

II. Cell enlargement

III. New cell wall deposition

Which of the above are the characteristics of phase of elongation?

Choose the correct option accordingly

Plasticity is less pronounced in which of these crop plants?

S-shaped or sigmoid growth curve have

I. lag phase

II. log phase

III. stationary phase

IV. diminishing growth phase

Select the correct option

Which one is the example of dedifferentiation?

Which of the following statements are correct?

I. A multicellular organism is composed of mainly three types of cells

II. Undifferentiated cells are stem cells and are unspecialised cells, which usually possesses the power of division

III. Differentiated cells are post-mitotic cells and are specialised to perform specific functions

IV. Dedifferentiated cells are differentiated cells which revert to undifferentiated state to take over the function of division

Quantitative comparison between the growth of living system can be made in

Phellem is formed by phellogen through

A scientist is culturing leaf mesophyll cells. The cells lose their specialized features and form an unorganized mass. This is NOT an example of:

During human embryonic development, the formation of the primitive streak marks a crucial step. Which of the following statements regarding the primitive streak is INCORRECT?