Agriculture/Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-4 Sample Test,Sample questions

Question:
  Sudden and sharp change in individual and is directly inherited by the offspring is called:

1.Mutation

2.Adaptation

3.Heredity

4.Continuous variation


Question:
  Superiority of heterozygote leads to:

1.Fixation of recessive allele

2.Fixation of dominant allele

3.Maintenance of both the alleles

4.Depression of inbreeding


Question:
  The chromosomal aberrations include:

1.Duplication or deficiency

2.Translocations or inversions

3.Multiplication or polyploidy

4.All of these


Question:
  The condition in which the pollen of a flower has no fertilizing effect on the stigma of the same flower is called:

1.Herkogamy

2.Dichogamy

3.Dicliny

4.Self-sterility


Question:
  The DNA is made up of the following four bases:

1.A.T.G.E.

2.A.T.G.C.

3.A.T.U.C.

4.A.G.U.C.


Question:
  The edible part of the apple is:

1. Mesocarp and endocarp

2.Endosperm

3.Only mesocarp

4.Fleshy thalamus


Question:
  The factor that determine the movement of solutes through a membrane is:

1.Concentration gradient

2.Molecular size

3.Charge and active transport

4.All the above


Question:
  The fleshy edible part of the mango fruit is:

1.Epicarp

2.Endocarp

3.Mesocarp

4.Pericarp


Question:
  The fleshy food storage tissue lying immediately with in perisperm is called:

1.Endosperm

2.Testa

3.Cruncle

4.None of the above


Question:
  The following character in human beings can explain the sex linked inheritance:

1.Baldness

2.Eye colour

3.Haemophilia

4.Pattern of the hair


Question:
  The fruit of cumin or coriander is known as:

1.Lomentum

2.Cremocarp

3.Regma

4.Cypsela


Question:
  The main reason for the classification of plants is:

1.The difficulties arising in the study of plants because of their large number

2.Their mechanical separation

3.The nature of man

4.The environmental conditions


Question:
  Which of the following ions is involved in the opening and closing of stomata?

1.Mg2+

2.Fe2+

3.K+

4.Na+


Question:
  Which of the following is sub-aerial modification of stem?

1.Corm

2.Stolon

3.Thorn

4.Bulb


Question:
 Sterility incompatibility of distant crosses can e overcome to produce hybrids by:

1.Pollen culture

2.Anther culture

3.Explants culture

4.Embryo culture


Question:
 Stilt roots are produced from:

1.Maint root

2.Secondary roots

3.Stem and branches

4.None of above


Question:
 The botanical name of the onion is:

1.Allium sativum

2.Allum cepa

3.Pisum sativium

4.Tagetes erecta


Question:
 The commonest form of the ovule is:

1.Orthotropous

2.Anatropous

3.Amphilotropous

4.Campylotropous


Question:
 The evolutionary history of a species is referred as:

1.Phylogeny

2.Progeny

3.Organic evolution

4.Natural selection


Question:
 The first generation progeny of a hybrid are called:

1.Pure lines

2.Segregates

3.Parents

4.F1 plants


Question:
 The following organelles also contain DNA:

1.Endoplasmic reticulum

2.Centrosomes

3.Vacuoles

4.Chloroplast


Question:
 The green expanded part of leaf is called as:

1.Leaf blade or lamina

2.Petiole

3.Petiole

4.Leaf base


Question:
 The jointed stem with solid nodes and hollow internodes is called:

1.Caudes

2.Culm

3.Scape

4.None of the above


Question:
 The life first originated in:

1.Air

2.Soil

3.Water

4.All of above


Question:
 The main patterns concerning origin and domestication of cultivated plant species are:

1.Mendelian variation

2.Inter-specific hybridization

3.Polyploidy

4.All of these


Question:
Specific combining ability of the parents should be high in order to develop:

1.Hybrids

2.Composites

3.Varieties

4.Synthetics


Question:
Spikelets are characteristic of the family:

1.Umbelliferae

2.Gramineae

3.Malvaceae

4.Leguminoceae


Question:
Sporogenesis means:

1. Formation of zygote

2.Formation of embryo

3.Germination of seed

4.Development and formation of spores


Question:
Stems often bear:

1.Unicellular hairs

2.Multicellular hairs

3.Both (a) & (b)

4.None of above


Question:
Sterility is most pronounced in the F1 generation following:

1.Intervarietal hybridization

2.Intravarietal hybridization

3.Intraspecific hybridization

4. Interspecific hybridization


Question:
Sunflower is:

1.Annual herb

2.Biennial herb

3.Perennial herb

4.None of the above


Question:
System of classification proposed by Hutchinson is:

1.Natural

2.Artificial

3.Phylogenetic

4.Numerical


Question:
Tetraploid potato has 48 chromosomes whereas ordinary piploid species have _______ chromosomes:

1.34

2.24

3.14

4.10


Question:
The application of principles of genetics for the improvement of mankind is:

1.Herdity

2.Linkage

3.Population genetics

4.Eugenics


Question:
The attraction between two dissimilar molecules is:

1.Cohesion

2.Adhesion

3.Surface tension

4.None of the above


Question:
The basis on which evolution works is:

1.Simplicity

2.Complexity

3.Variations

4.Adaptation


Question:
The best method to break the unfavourable linkage is:

1.Single seed descent method

2.Diallel selective mating

3.Pedigree method

4.Bulk method


Question:
The best method to carry forward the maximum number of genotypes/genes to the advanced generations against the force of natural selection is:

1.Pedigree method

2.Bulk method

3.Single seed descent method

4.Back cross method


Question:
The best-known artificial system of classification is that promulgated by:

1.Sir Julian Huxley

2.Bentham and Hooker

3.Linnaeus

4.A.P. Candolle


Question:
The branch of genetics concerned with the study of frequencies of mating populations is:

1.Quantitative genetics

2.Behavioural genetics

3.Population genetics

4.Eugenetics


Question:
The cell sap of cell A has an osmotic potential of -14 bars and turgor pressure of 4 bars. Cell B has a water potential of -16 bars and osmotic potential of -24 bars. The water movement will be:

1. From A to B

2.From B to A

3.No movement

4.None of the above


Question:
The chromosomes are attached to the spindle fibre by means of:

1.Pellicle

2.Telomere

3.Satellite body

4.Centromere


Question:
The components of synthetic population would have already been tested for:

1.SCA

2.Genetic advance

3.CGA

4.Both GCA & SCA


Question:
The condition in which the anthers and stigmas of a bisexual flower mature at the same time is known as:

1.Cleistogamy

2.Heterogamy

3.Syngamy

4.Homogamy


Question:
The definitive nucleus on fertilization gives:

1.Secondary

2.Zygote

3.Oospore

4.Primary endospermic nucleus


Question:
The diffusion of water through a differentially permeable membrane is called:

1.Osmosis

2.Imbibition

3.Diffusion

4.Water movement


Question:
The effect of the genotype of the pollen grain on the phenotype of the seed is termed as:

1.Apospory

2.Pollinia

3.Endopolyploidy

4.Xenia


Question:
The embroid (formed by vegetative cell) develops into a plant which in fact grows out of anther as in:

1.Tobacco

2.Wheat

3.Barley

4.Sorghum


Question:
The fibrous fruit of coconut is dispersed by:

1.Air

2.Water Potential

3.Animals

4.None of the above


Question:
The first easily observed sign of a water deficit in a plant is decrease in the tugor of its:

1.Root hairs

2.Stem cells

3.Xylem vessels

4.Leaf cells


Question:
The first inbreeding experiments with maize were those reported by:

1.Sprengel in 1866

2.Darwin in 1876

3.Sprague in 1886

4.Baird 1896


Question:
The flattened lateral outgrowth of the stem or the branch developing exogenously from a node and having a bud in its axil as known as:

1.Tendril

2.Thorn

3.Leaf

4.Flower


Question:
The following part of the chromosome is responsible for the movement of chromosome/chromatid to different poles:

1.Chromatin

2.Centromere

3.Chromomere

4.Satellite


Question:
The fruit of Acacia is:

1.Lomentum

2.Double samara

3.Regma

4.Cypsela


Question:
The fruits of cucurbitaceae is:

1.Pepo

2.Pome

3.Berry

4.Drupe


Question:
The fusion of a male gamete with two polar nuclei is often termed:

1.Fertilization

2.Syngamy

3.Triple fusion

4.Pollination


Question:
The genes that intensify or diminish the effect of major genes are known as factors:

1.Modifying

2.Nullifying

3.Nullifying

4.None of these


Question:
The group of plants which bear flowers and seeds are known as:

1.Crytogams

2.Phanerogams

3.Pteridophyta

4.None of the above


Question:
The haploid phase in plants is called :

1.Sporophyte

2.Gametophyte

3.Zygote

4.None of the above


Question:
The hydrophytes float on water because of the presence of:

1.Aerenchyma

2.Aerenchyma

3.Aerenchyma

4.Sclerenchyma


Question:
The inflorescence of banana is known as:

1.Catkin

2.Raceme

3.Spike

4.Spadix


Question:
The initial gene pool of a synthetic population is composed of:

1.Plants from an open-pollinated variety

2.Pure lines

3.Inbred lines

4.Isolines


Question:
The initial pool of a composite population is composed of:

1.Inbred lines

2.Isoline

3.Pure lines

4.Single plants derived from crosses and/or germplasm lines


Question:
The life-cycle of an angiosperm is consist of:

1.Sporophytic stage

2. Gametophytic stage

3.Both stages

4.None of the above


Question:
The main body of ovule is called:

1.Hilum

2.Chalaza

3.Nucellus

4.Integuments


Question:
When the pistil has all the carpals united together it is said to be:

1.Apocarpous

2.Syncarpous

3.Simpler types

4.None of the above


Question:
Which of the following is not xerophytic plant?

1.Aloe

2.Cacti

3.Gum tree

4.Mango


Question:
Which of the following is ploidy level of common wheat?

1.Tetraploid

2.Hexaploid

3.Diploid

4.Octaploid


Question:
Which of the following leads to the cross-pollination?

1.Unisexuality

2.Dichogamy

3.Heterostyly

4.All the above


Question:
Which of the following material makes the protein chain?

1.Carbohydrates

2.Sugars

3.Fatty acids

4.Aminoacids


More MCQS

  1. Agriculture Plant Pathology Set-1
  2. Agriculture Plant Pathology Set-2
  3. Agriculture Plant Pathology Set-3
  4. Agriculture Seed Science
  5. Agriculture Agriculture Genetics Plant Breeding and Biotechnology
  6. Agriculture Agriculture Genetics Plant Breeding and Biotechnology set-2
  7. Agriculture Agriculture Genetics Plant Breeding and Biotechnology set-3
  8. Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-4
  9. Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-5
  10. Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-6.
  11. Food Engineering Mcq Questions Set 1
  12. Food Engineering Mcq Questions Set 2
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!