Structure of chromosome, cell cycle and cell division — Biology STD 10 — Question

Complete the following sentence with appropriate word:

A plant that does not perform photosynthesis is _______.

Photosynthesis occurs in all the cells of the plant.

Females are more affected by sex-linked genetic disorders.

Complete the following sentence with appropriate word:

A dark reaction is a __________ reaction.

The traits acquired by the organism during his lifetime due to changes in environmental conditions are called acquired traits.

Photosynthesis requires enzymes.

Mortality is the number of deaths per thousand of the population per decade.

(a) Mention whether the following statement is true or false
(b) Correct the false statement by altering the last word only. The cell wall of the root cell is a differentially permeable membrane.

The unit of light absorbed by the chlorophyll during photosynthesis is the proton.

Harmones ‘obey’ the commands like ‘enough, slow down or ‘two little, speed up’.