There are 20 chromosomes in the somatic cells of maize. What will be the chromosome number in its
1.nucellar cells
2.antipodal cell
3.endosperm cells
4.egg cell
Hybrid characters are not maintained because they segregate in progeny in second generation. So, in order to obtain higher yield hybrid seeds have to be produced every year. It is not economical for a farmer.
(i) edible part (ii) encloses the embryo (iii) forms the fruit wall
(i) Tassels of corn-cob
(ii) Mitochondria in sperm
(iii) Tapetum in the microsporangium ( No links please )
Q.90. A photosynthesising organism, which does not release molecular oxygen during the process, is
(a) green sulphur bacterium
(b) algal component of lichen
(c) blue green algae
(d) spirochaete
There are 20 chromosomes in the somatic cells of maize. What will be the chromosome number in its
1.nucellar cells
2.antipodal cell
3.endosperm cells
4.egg cell