A large unit of natural vegetation in an area under identical condition (climatic) is called:
A.Plant formation
B.Association
C.Community
D.Climax
Category: Agriculture Genetics Plant Breeding and Biotechnology Mcqs
A male gametophyte in angiosperms contains:
A.One gametes only two male gametes only
B.Two male gamete only
C.Two male gametes and one tube nucleusnucleus
D.One male gamete and one tube nucleus
A plant with genotype Gg Ww will produce gametes of which of the following types?
A.GW, gw, gW,Gw
B.GG,WW,gg,ww
C.Gw,GG,GW
D.All of them
After the cell has undergone mitosis, the amount of DNA in daughter cells will be:
A.Equal to the parent cell
B.Half of the parent cell
C.Double of the parent cell
D.None of the above
A criss-cross inheritance is shown by:
A.Sex-influenced character
B.Polygamy
C.Sex-linked character
D.Sex-quantitative character
A generative nucleus in the male gametophyte divides _____ to form two male gametes:
A.Mitotically
B.Meiotically
C.Mitotically and Meiotically
D.None of these
A character dermined by many genes and does not show discrete variation is known as:
A.Qualitative character
B.Oligogenic character
C.Quantitative character
D.Multiple-allelic character
A maintainer line is:
A.Male fertile and can restore fertility
B.Male sterile but can restore fertility
C.Male sterile but cannot restore fertility
D.Male fertile but cannot restore fertility
______ deteriorates drastically upon inbreeding:
A.Carrot
B.Okara
C.Brinjal
D.Broccoli
Characteristic feature of the hydrophytes is:
A.Reduced protective tissues
B.Feebly developed root system
C.Spongy stem
D.All the above
