What is the female sex organ in a flower?
How many egg cell, synergid(s), antipodal cells and polar nuclei are present in an embryo sac?
Which of the following factor affects diffusion rate?
Select the odd one w.r.t. haplodiplontic life cycle.
Read the following statements and choose the correct ones.
(A) Diffusion is a slow process and is dependent on a living system.
(B) Diffusion of substances with hydrophilic moiety is facilitated by membrane proteins.
(C) Facilitated diffusion causes net transport of molecules from a low to a high concentration.
(D) Saturations may be achieved in both facilitated diffusion as well as active transport.
Primary endosperm nucleus is formed by the fusion of and
Read the following statements.
(a) Volvox does not have a free living sporophyte
(b) All alga show haplontic life cycle,
(c) Sporophyte of Fucus is dominant and photosynthetic.
(d) All seed bearing plants have diplontic life cycle (e) Bryophytes have haplodiplontic life cycle.
Select the option with correct set of statements
Select the option with incorrect statement.
Which of the following event is preceded by formation of embryo-sac?
