Agriculture/Agriculture Agriculture Genetics Plant Breeding and Biotechnology Set-6. Sample Test,Sample questions

Question:
  Germplasm means:

1.A breeding method

2.A collection of genetic material

3.A new disease

4.None of the above


Question:
  Heritability may be defined as the:

1.Interaction product of genotype with environment

2.Sum total of hereditary material present in a species

3.Degree of resemblance between the original and the selected plants

4.Proportion of phenotypic variability which is due to heredity


Question:
  Heterosis over the better parent is called as:

1.Relative heteroisi

2.Standard heterosis

3.Pseudoheterosis

4.Heterbeltiosis


Question:
  Hugo de Vries who defined the mutation was:

1.Dutch Botanist

2.French Bacteriologist

3.English Botanist

4.Russian Biologist


Question:
  Hybrid seeds can be produced through open pollination with the use of:

1.Inbreds

2.Clones

3.Pure lines

4.Male sterile lines


Question:
  If a character is cytoplasmically controlled then:

1.The progeny resembles female parent

2.The progeny resembles male parent

3.Its segregation of 3:1 is observed in F1

4.15:1 segregation in F1


Question:
  If a dihybrid is test crossed the phenotypic ratio of progeny will be:A.  B. C.  D. 

1.9:3:3:1

2.9;3;4

3.1:1:1:1

4.15;1


Question:
  If more solute is added to a saturated solution it settles down but if heated the excess amount also gets dissolved. Such a solution said to be:

1.Unsaturated

2.Saturated

3.Super saturated

4.Crystalloid


Question:
  If parents differ in ten gene pairs no selection is done; six back crosses will produce a population having ______ per cent homozygous and identical individuals to recurrent parent at all ten loci:

1.65

2.75

3.85

4.95


Question:
  If the cells of a plant root tip contain chromosomes will be found in its pollen grains?

1.4

2.8

3.16

4.32


Question:
  In asparagus one or more short green cylindrical or sometimes flattened branches of limited growth develop from node of stem such a branch is known as:

1.Cladode

2.Phylloclade

3.Stem tendril

4.Thorn


Question:
  In Primula sp:

1.Sporophytic incompatibility found

2.Gametophytic incompatibility found

3.Heteromorphic incompatibility found

4.Homomorphic incompatibility found


Question:
  In RNA nitrogen bases are same as in DNA except:

1.Uracil instead of Thymlnine

2.Cytosin instead of Thymine

3.Adenine instead of Guanine

4.Thymine instead of Adenine


Question:
  In self-incompatibility system:

1.Pollen not produced

2.Self pollination takes place

3.Pollen does not germinate on self-pollination

4.All are correct


Question:
  In solanaceae the flowers are:

1.Actionomorphic bisexual and epigynous

2.Zygomorphic unisexual and perigynous

3.Actinomorphic bisexual and hypogynous

4.Actinomorphic bisexual and perigynous


Question:
  In sweet pea gene C or P alone produces white flower where as both C and P are needed to produce purple coloured flower. In a particular cross between two white flowered plants the offsprings were one half purple and one-half white. The possible genotypes of the parents is:

1.Cc Pp x ccPp

2.CCpp x ccPP

3.ccPp x CCpp

4.Ccpp x ccPp


Question:
  In the ovary of marigold the placentation is:

1.Superficial

2.Basal

3.Marginal

4.Axile


Question:
  In which one of the following crops maximum exploitation of hybrid vigour during the last three decades has been done?

1.Wheat

2.Rice

3.Maize

4.Cotton


Question:
  Inflorescence of wheat ear is:

1.Catkin

2.Spike

3.Corymbs

4.Raceme


Question:
  It has been estimated that a miize tassel produces at least _____ pollen grains for each kernel.

1.5,000

2.15,000

3.25,000

4.35,000


Question:
  It is an established fact that higher and more complex forms of plants and animals have evolved from:

1.Recent and simpler forms

2.Earlier and simple forms

3.Recent and complex forms

4.Xerophytic forms


Question:
  Krebs cycle begins with:

1.Glycogen

2.Lysine

3.Succinic acid

4.Acetyl COA


Question:
  Later formed rocks show fossils of:

1.Less complex and less advance types

2.More complex and more advance types

3.Simpler types

4.Simpler and more recent types


Question:
  Maize is:

1.Maonecious plant

2.Dioecious plant

3.Polygamous

4.None of the above


Question:
  Mango fruit is a:

1.Pepo

2.Pome

3.Berry

4.Drupe


Question:
  Which one of the following is the site of protein synthesis?

1.Ribosomes

2.t-RNA

3.m-RNA

4.r-RNA


Question:
 If the particles of dispersed phase have an affinity towards the particles of the dispersion medium the colloidal system is known as:

1.Lyophobic

2.Hydrophobic

3.Lyophilic

4.None of the above


Question:
 In compositeae the gynoecium is syncarpous bicarpellary with:

1.Marginal placentation

2.Axile placentation

3.Free central placentation

4.Basal placentation


Question:
 In cruciferae the stamens are said to be:

1. Decadynamous

2.Tridynamous

3.Tetradidynamous

4.None of the above


Question:
 In Ficus (banyan pepal fig) the inflorescence is:

1.Cyathuim

2.Verticillaster

3.Hypanthodium

4.Spadix


Question:
 In pedigree breeding single plants are selected in which one of the following generation:

1.F5

2.F3

3.F2

4.F


Question:
 In the flowering plants the process of fertilization is first discovered by:

1.Robert Brown

2.Strasburger

3.Virchov

4.Nawaschin


Question:
 In ______ pollen dispersal is poor and seed set is likely to be low on male sterile plants:

1.Tomato

2.Cauliflower

3.Broccoli

4.Carrot


Question:
 Johansen proposed:

1.Theory of heterosis

2.Pure line theory

3.Male sterility

4.Hybridization


Question:
 Most of the mutation have effect:

1.Deleterious

2.Good

3.Bad

4.Both (b) & (c)


Question:
 Which one of the following chemicals is used to induce polyploidy?

1.Ethyl methane sulphonate

2.Methyl methane sulphonate

3.Colchicines

4.Nitrous acid


Question:
152.  Heterosis is commercially exploited in:

1.Cross pollinated species

2.Often cross-pollinated species

3.Self-pollinated species

4.Vegetatively propagated species


Question:
Genotype x Environment interaction would take place when there is/are:

1.One genotype and two environments

2.Two genotypes and one environment

3.Three genotypes and one environment

4.Two or more genotypes and two or more environments


Question:
Gibberellins are now commercially used into increase sugarcane growth and sugar yields :

1.China

2.Hawaii

3.Japan

4.Korea


Question:
Ginger and Turmeric are example of modified stem:

1.Rhizome

2.Tuber

3.Bulb

4.Corm


Question:
Given that the somatic cromosome number of Triticum aestivum is 2n = 6x = 42 which one of the following pairs is correctly matched?

1.Monosome

2.Monosome

3.Tetrasome

4.Nullisome


Question:
Group of plants with similar characteristics of any rank is termed:

1.Taxon

2.Species

3.Genus

4.Order


Question:
Gynoecium or pistil in the female whorl differentiated into:

1.Filament

2.Style

3.Stigma

4.All of the above


Question:
Holophytes growing on muddy swarmps form special vegetation known as:

1.Hangrove forests

2.Coniferous forests

3.Evergreen forests

4.Riparian forests


Question:
How many cells will be produced from a cell if the cell divides meiotically?

1.1

2.2

3.3

4.4


Question:
Hydrilla is a:

1.Hydrophyte

2.Mesophyte

3.Hygrophyte

4.Xerophyte


Question:
ICRISAT deals with:

1.Cotton

2.Maize

3.Millets

4.Wheat


Question:
If a membrane allows the passage of both solvent and solute molecules it is said to be:

1.Non-permeable

2.Impermeable

3.Semi-Permeable

4.Permeable


Question:
If dissolved sugar in pure water the resulting solution will have osmotic potential than that of pure water:

1.Equal

2.More positive

3.More negative

4.Difficult to measure


Question:
In Angiosperms:

1.Sporophyte is complex and gametophyte incospicuous

2.Sporophyte simple and gametophyte complex

3.Sporophyte and gemetophyte complex

4.Sporophyte and gametophyte incospicuous


Question:
In bajra:

1.Cytoplasmic male sterility is found

2.Genetic male sterility is found

3.Cytoplasmic genetic male sterility is found

4.Self-incompatibility is found


Question:
In C4 pathway CO2 combines with:

1.Ribulose monophosphate

2.Phosphoglyceric acid

3.Ribulose diphosphate

4.Phosphenol pyruvate


Question:
In China rose flower is:

1.Hypogynous

2.Perigynous

3.Epigynous

4.None of the above


Question:
In cotton the popularly grown commercial hybrid varalaxmis is the product of:

1.Intraspecific hybridization in Gossypium hirsutum

2.Interspecific hybridization between Gossypium hirsutum and Gossypium barbadense

3.Intraspecific hybridization in Gossypium barbadense

4.Interspecific hybridizaton between Gossypium arboreum and Gossypium herbaceum


Question:
In famtly malvaceae the stamens are:

1.Diadelphous

2.Gynandrous

3.Syngenesious

4.Monoadelphous


Question:
In mass selection plants are selected on the basis of:

1.Phenotypes

2.Genotypes

3.Homozygosity

4.None of the above


Question:
In potato the inflorescence is:

1.Helicoid

2.Scropioid cyme

3.Umbel

4.Raceme


Question:
In the cymose inflorescence the flowers develop in:

1.Basipetal succession

2.Acropetal succession

3.Centripetal succession

4.None of the above


Question:
In the pitcher plant the pitcher is modification of:

1.Stem

2.Root

3.Leaf

4.Stem-branch


Question:
In wheat and oat there are _____ genes for red versus white kernels:

1.Two

2.Three

3.Four

4.Five


Question:
In wheat cross-pollination is:

1.Less than 5%

2.More than 5%

3.15%

4.50%


Question:
In which part of the cell does protein synthesis take place?

1.Mitochondria

2.Nucleolus

3.Nucleus

4.Ribosomes


Question:
In ______  the first studies on artificial hybridization for which yields were reported were those of Beal during the period between 1877 and 1882:

1.Sorghum

2.Pearlmillet

3.Maize

4.Carrot


Question:
International Rice Research Institute (IRRI) is situated in:

1.Philippines

2.Japan

3.China

4.Burma


Question:
Leaf of the Mimosa is:

1.Unipinnate

2.Bipinnate

3.Tripinnate

4.Decompound


Question:
Magnification of an object by electron microscope is:

1.1000 X

2.100000 X

3.100000 X

4.More than 200000 X


Question:
Male gamete carries ______ chromosome numbers:

1.Non-permeable

2.2n

3.3n

4.n - 1


Question:
Mendel is famous for:

1.Propounding the laws of inheritance

2.Laws of limiting factors

3.The theory of mutation

4.The discovery of penicillin


Question:
Which one f the following is not dioecious plant?

1.Datepalm

2.Vallisnaria

3.Maize

4.Papaya


Question:
Which sterility is exploited in hybrid seed production?

1.Male genetic sterility

2.Cytoplasmic sterility

3.Cytoplasmic genetic male sterility is found

4.Genetic


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
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