Tissue and Tissue System — BIO BOTANY STD 11 — Question

Which are the organisms help in nitrogen fixation of lichens:

Imperfect flowers will have …………… essential whorl(s).

Arrangement of veins on lamina is called …………… .

Indicate correct statements.
(i) Genes are intracellular factors for growth.
(ii) Temperature has no role in the growth of plant.
(iii) Oxygen has a vital role in the growth of plants.
(iv) CIN ratio of soil does not affect the growth of plant.

Which is an anticoagulant?

Palmately parallel divergent venation is seen in …………… .

Absence of light may lead to yellowish in color in plants and this is called:

Which year is declared as the “International year of the pulses”.

Sterile stamen is called …………… .

Photosynthetic rate of red light (650 nm) is equal to: