Ascending portion of the axis of the plant, developing directly from the plumule and bears leaves, braches and flower is known as:
A.Root
B.Steam
C.Modified root
D.None of above
Category: Agriculture Genetics Plant Breeding and Biotechnology Mcqs
Binomial system of Nomenclature means that the name of plant is made up of two words, which designate:
A.Family and genus
B.Order and family
C.Species and family
D.Genus and species
A plant breeder is interested to control pollination to:
A.Prevent cross-pollination
B.Control pollination
C.None of these
D.Both of these
Acclimatisation is:
A.A process of adjustment by crop plants to environment
B.Related with the clay
C.Removal of female parts of a flower
D.Changing of climatical condition
A plant cell when put into a hypotonic solution, it unlike animal cell does not brust because:
A.It has no semi-permeable membrane
B.It has inelastic cell wall
C.All both (a) & (b)
D.None of the above
A complex of communities of plants and animals of a region existing under identical climatic conditions is called as:
A.Biome
B.Ecosystem
C.Ecological complex
D.Environment
Who suggested the imbiitions theory of ascent of sap?
A.Sir J.C.Bose
B.Sachs
C.Strasburger
D.Dixon and Jolly
A male child would be born to parents if:
A.The father is healthier than the mother
B.The mother eats well during pregnancy
C.The genetic composition of the child includes XY combination of chromosomes
D.The genetic composition of the child includes XX combination of chromosomes
Biffin in 1905 announced, that resistance to yellow rust of wheat is governed by ______ gene in crosses:
A.Single dominant
B.Single recessive
C.Double dominant
D.Double recessive
Chromosome numbers in somatic cells of a maize plant are:
A.22
B.26
C.14
D.20
