Mendels research paper published in
Why Mendel found the garden pea most suitable self pollination shorter life cycle. Contrasting heritable character .
Match the following : Pangenes 1) swammendamm Germplam 2) lemark Acquired charecter 3) Jones Pre formation 4) darwin Dominance of linked genes hypothesis 5) weismann
Match the following Heterosis 1) Economic heterosis Overdominance 2) Inbred variety cross Luxuriance 3) Hybrid vigour Useful heterosis 4) Superdominance Intervarietal hybrid 5) Pseudoheterosis Top cross 6) Intraspecific hybrid
Rediscovery of mendels work by
Law of segregation is also known as
An individual having only one allel
Law of uniformity of fist filial generation is also known as
Which one follow multiplication of law of probability
F1 crossed with recessive parent is called
A single gene often influences more than one phenotypic effect I know as a
Complementary gene intrection given by
Coupling and repulsion hypothesis is given by
Colour blindness and heamophilia are example of
Gene present in cytoplasm in known as
Kappa particle in paramecium discovered by
Ethydium bromide has a capacity to mutate only
Progeny cross between two facultative apomicts
The book ‘ cross and self fertilization in vegetable kingdom’ was written in 1876 by which of the following scientists ?
Hybrid varieties were first exploited in which of the following crops ?
Choose the correct statement : Cytoplamic inheritance lead cytoplasmic male sterility It play important role in mapping of choloroplast and mitochondria genome Mutation of cytoplasm DNA lead to generations of New variant
Sexual reproduction either suppressed or absent in
Embryo is developed from egg cells or other cell of embryo sac without fertilization
Modified flower which develop plant directly without formation of seed
The first interspecific hybrid of cotton released in India is which of the following
Cytoplasmic genetic male sterility is commercially used in which of the following crops ?
Pollination occure but fertilization does not exist in egg cell
The first opening of flowering is called
Stigma are closely surrounded by anther and pollination generally occurs when the flower opens
Nicotiana is example of
Where pistil and pollen stimulate each other is called
MOST successful method in both gametophytic and sporophytic SI system
Nuclear male sterity is called also called
CGMS is also known as nucleoplasmic male sterility CGMS is commercially utilized in maize ,cotton, jowar bajra Moore and nylore induced male sterility in maize using MH
Such character governed by one or few genes with large easily detectable effects called
Certain gene require a specific environment for their expression
The ability to gene express itself
Multiple factor hypothesis is also known as
Heritability is
Bond between nitrogen base pentose sugar
Match the following Hybrid varieties 1) topcross GCA 2) GCA and SCA Synthetics and composites 3) Second cycle inbreds Gamete selection 4) GCA
Jumping found in ?
Colourblindness is example of?
Gene which lead death to its carrier
Gene which enhance natural mutation rate ?
Gene whose expression mask the effect of other gene
Which of the following is not correct about gene pool
Brain of the cell
Production of protein?
CHROMOSOMAL THEORY OF INHARITENCE IS POSTULATED BY
The functional unit where hundreads of nucleotide pairs takes part .it is largest in size
Fairchild mule is first
Which of the following is not membrane bound cell
In animal it is outermost structure of the cell
Plasma membrane is absent in
1 cementing material 2 rich in ca2­+ and mg
Cellulose+ lignin
The term protoplama was given by Huxley Plasm means substance 80-90% of protoplasm is water
Site of glycolysis
Food storage is main function of
Evaluation of the plant on the performance of its progeny is known as
The concept of pureline of given by
1.Self pollination increase heterozygosity 2.a self fertilized population consist of a mixture of several homozygous genotype 3. self pollination increase homozygosity
Inbreeding is example of
To improve one or two specific defect of a high yielding vatiety
Random mating population is also known as
The movement of individual into population from a different population
Such species generally show severe reduction in fertility and vigour
The progeny obtain from self fertilization were weaker than those derived from out crossing stated by
Severe inbreeding depression in
The term heterosis given by
Luxuriance is the increase vigoure and size of intersepecific hybrid Luxuriance is generally sterility and poor fertility Luxuriance lies in the reproductive ability of the hybrid
The deleterious effect of the recessive allele is masked by their dominant
The effect of pollen on maternal tissue of fruit
Sex in plant was discoved by
F2 generation which are superior to both parent
Cross between different species of the same genus or different genus
Removal of stemen without affecting the female reproductive organ
Plant selected on the basis of their phenotype and progeny testing required
The simplest form of progeny selection is ear to row method Exensivily used in maize Several phenotypical superior plant are selected not allowed to open pollination
The average performance of a strain in a series of cross combination
When inbreeds cross with open pollinated variety
Cross between two pollinated varieties
First hybrid variety of bajra using CGMS
Which type of sterility was first develop in rice by athwal
double cross variety are common in
Cross pollination crop where pollination control is difficult
Mixture of several pure line of similar characters but they have different genes for disease resistance
A first hybrid of rice
The ability of a pathogen to attack a host
Resistance is polygenic and non pathotype
The epidemic development in a variety carrying oligogene leading to heavy economic losses
Due to shift in electrons or proton in normal nitrogen base to convert them in rare states
The substitution or replacement of a purine by pyrimidine or vice versa
Mutation are generally harmful to organism to the organism Mutation are random ie occure in any gene Same mutation may not occure again and again
Exposure of a biological material to radiation like x-rays, y-rays
Pairing between two or more non-homolougous chromosome weather it be complete or partial is called
Seedless water melon is example of
One chromosome pair missing