The biomass pyramid of forest ecosystem is
linear
inverted
tetra angle
upright
D.
upright
Pyramid of biomass for terrestrial ecosystems such as grasslands or forests, the biomass generally decreases at each higher trophic level from plants via herbivores to carnivores. Thus, in terrestrial ecosystems, the Pyramid of Biomass is upright.
The RNA found in eukaryotic ribosomes are
5 S and 16 S RNA
5 S, 16 S, 18 S RNA
23S, 16 S, RNA
5 S and 28 S RNA
The reduction division in chromosomes takes place in
pollen grains
tapetum
megaspore cell
megaspore mother cell
Double fertilisation is the
fertilisation of two eggs in an embryo sac
fusion of one male gamete with the egg cell and another male gamete with the secondary nuclei
fusion of two male gametes with two polar nuclei
fusion of one male gamete with secondary nucleus
The development ofsporangium in Pteridium is
a leptosporangiate type
an eusporangiate type
Both (a) and (b)
None of the above
In lysogenic phase which of the following takes place?
Phage DNA integrated with host genome and does not multiplied
Phage DNA does not integrate with host genome
Phage DNA integrates with host genome and bacterial cell does not lyse
Phage DNA integrated with host DNA and multiplied
