Agriculture/Agriculture Agriculture Genetics Plant Breeding and Biotechnology set-3 Sample Test,Sample questions

Question:
  Mating between two individuals related by descent is:

1.Selfing

2.Inbreeding

3.Outbreeding

4.Maintenance of population


Question:
  Meiosis is essential for the organism for:

1.Inducing polyploidy

2.Growth of the organism

3.Keeping the number of chromosomes constant from one generation to the other

4.Increasing the number of cells


Question:
  Meiosis occurs in:

1.Generative cells

2.New cells

3.Vegetative cells

4. None of the above


Question:
  Mendok is a gametocide used for inducing male sterility in:

1.Onion

2.Sunflower

3.Maize

4.Cotton


Question:
  Monoploid is also a:

1.Haploid

2.Diploid

3.Monosomic

4.None of the above


Question:
  Nilsson-Ehle of ______ was apparently the first to use the bulk population method to breed superior crop varieties:

1.Sweden

2.Mexico

3.Germany

4.France


Question:
  Normal female in human being is:
. 

1.Homogametic sex

2.Heterogametic sex

3.Homizygous for a gene

4.Gynandromorph


Question:
  Onion and Garlic are example of:

1.Rhizome

2.Tuber

3.Bulb

4.Corn


Question:
  Pea has stamens:

1.Diadelphous

2.Monoadelphous

3.Polyadelphous

4.Gynandrous


Question:
  Persons with the following blood group are universal donor:

1. A

2. B

3.AB

4.O


Question:
  Pigment, which is responsible for skin colour, is:

1.Melanin

2.Glutin

3.Globulin

4.Albumin


Question:
  Pink (NN) flowered plants crossed with blue (nn) flowered plants gave black (Nn) flowered plants in F1 generation. If F1 plants dre selfed, which of the following will be the phenotype of F2 progeny?

1.All blue

2.1/2 blue and 1/2 pink

3.All pink

4. 1/4 pink, 1/2 black, 1/4 blue


Question:
  Plants that grow under average condition of temperature and moisture are:

1.Hydrophytes

2.Hygrophytes

3.Mesophytes

4.Xerophytes


Question:
  Plasmid can:

1.Self replicate

2.Integrate into host genome

3.Express the genes in it

4.Can do all the above


Question:
  Pototo and Jerusalem artichoke are example of:

1.Rhizome

2.Tuber

3.Bulb

4.Corn


Question:
  Progeny of a hybrid plant:

1.Breds true

2.Resembles maternal plant

3.Resembles paternal plant

4.Segregation


Question:
  Prop or still roots are found in:

1.Acacia tree

2.Tomato plant

3.Mango tree

4.Banyan tree


Question:
  Pureline selection is:

1.A method of accumulating favourable alleles

2.Used to improve cross-pollinated crops

3.Used to improve self-pollinated crops

4.Used in vegetatively propagated crops


Question:
  Quarantine is:

1.The name of a plant

2.The name of a character

3.The process of observation of alien material

4.None of the above


Question:
  Restorer gene is needed:

1.To make a plant correct

2.To bring fertility in male sterile plants

3.To make a plant resistant

4.To enhance the yield


Question:
  Root bear:

1.Unicelluar hairs

2.Multicellular hairs

3.Both (a) & (b)

4.None of the above


Question:
  Which of the following type(s) of male sterility is/are used in commercial seed production of double cross hybrid maize?

1.Cytoplasm alone

2.Genetic alone

3.Cytoplasm and genetic

4.Cytoplasmic and genetic with restors


Question:
  Which one of the following categories of seeds is the farmer expected to buy afresh every time?

1.Variety

2.Hybrid

3.Synthetic

4.Composite


Question:
 Nucleus seed is:

1.100% pure

2. 80% pure

3.50% pure

4.40% pure


Question:
 Number of chromosome in endosperm is:

1.2n

2.3n

3.n

4.4n


Question:
 Observation of Hugo de Vries were based on:

1.Pisum stivum

2.Drossophila melangastor

3.Oenothera lamarkiana

4.Solanum tubersoum


Question:
 Plants, which feed upon insects and small animald absorbing only nitrogenous compounds, are called:

1.Symbionts

2.Epiphytes

3.Carnivorous

4.Nocturnals


Question:
 Pollination taking place between two flowers (bisexual or unisexual) borne by two separate plants of the same species is called:

1.Self pollination

2.Cross pollination

3.Xenogamy

4.Geitonogamy


Question:
 Protoplasm is a:

1.True solution

2.Unsaturated solution

3.Suspension

4.Polyphonic colloidal system


Question:
 Pseudo-fertility may also occur late in the season as in:

1.Tomato

2.Tobacco

3.Tapioca

4.Tea


Question:
 Pure line is:

1.The progeny of selfed heterozygous plant

2.The progeny of selfed homozygous plant

3.The progeny of vegetatively progagated plant

4.The progeny of a nucleus seed


Question:
 Rainfall, temperature, light, wind and humidity are:

1.Climatic factors

2.Edaphic factors

3.Biotic factors

4.Topographic factors


Question:
 Replacement of purine by pyrimidine and vice-versa is known as:

1.Transversion

2.Transduction

3.Translocation

4.All the above


Question:
 Rice varieties IR 20, IR 26 and IR 36 have shown better resistance to:

1.Tungro

2.Bacterial leaf blight

3.Blast

4.Brown plant hopper


Question:
 Seeds of monocotyledons are:

1.Albuminous or non-endospermic

2.Ex-albuminous or non-endospermic

3.Both (a) & (b)

4.Neither (a) nor (b)


Question:
 Seeds of pea, gram and beans are:

1.Albuminous or non-endospermic

2.Ex-albuminous

3.Ex-albuminous

4.None of the above


Question:
Mangrove plants show adaptation like:

1.Stilt roots

2.Respiratory roots or pnematophores

3.Vivipary

4.All the above


Question:
Megaspore mother cell produces four megaspores out of which usually:

1.Only one megaspore is functional and the remaining three megaspores abort

2.Two megaspores are functional and the remaining two megaspores abort

3.Three megaspores are functional and the fourth megaspore aborts

4.All the four megaspores are functional


Question:
Method of breeding can be used for studying the ancestral characteristic:

1.Pure line

2.Pedigree method

3.Mass selection

4.None of these


Question:
Microsporogenesis occurs in:

1.Roots

2.Stems

3.Anthers

4.Ovules


Question:
Microsporogenesis occurs in:

1.Carpals

2.Gynoecium

3.Stamens

4.Thalamus


Question:
Modern population genetics is found on a proposition dedeced independently by Hardy in England in 1908 and _____ in Germany n 1909.

1.Weinberg

2.Pugsley

3.Briggs

4.Weibe


Question:
Multiline varieties are mixtures of:

1.Several morphologically different plants having identical disease resistance genes

2.Bulked progenies of different inhred lines

3.Several similar pure lines having different genes for disease resistance

4.Morphologically identical plants with different genetic make-up


Question:
Mutation is known to be due to change in genes:

1.Loss

2.Degeneration

3.Addition

4.All the above


Question:
Neither beginning nor end to the universe is basis of:

1. Theory of special creation

2.Theory of catastrophism

3.Theory of eternity of present condition

4.None of the above


Question:
Nutritional improvement for the tryptophan content has been achieved in a _____ cell-line:

1.Tomato

2.Cucurbits

3.Coffee

4.Tobacco


Question:
Operon concept was given by:

1.Watson ana Crick

2.Beedle and Tatum

3.Jacob and Manod

4. Mosselson and Stahi


Question:
Orange or lemon fruit is known as:

1.Balusta

2.Pepo

3.Pome

4.Hesperidium


Question:
Osmotic pressure of cells sap is high among below given categories in:

1.Mesophytes

2.Halophyte

3.Hygrophytes

4.Hydrophytes


Question:
Osra belongs to the family:

1.Solanaceae

2.Malvaceae

3.Cucurbitaceae

4.Liliaceae


Question:
Para-mutation in _____ is perhaps the one and only example of blending of alleles:

1.Sorghum

2.Maize

3.Pearl millet

4.Foxtail millet


Question:
Phylloclade is:

1.Underground modification of stem

2.Sub-aerial modification of stem

3.Aerial modification of stem

4.None of all


Question:
Physical and chemical properties of soil its water and air contents are included in:

1. Climatic factors

2.Edaphic factors

3.Biotic factors

4.Topographic factors


Question:
Physiologically dry soil is:

1.Poor in moisture content

2.With adequate water

3.with saline water

4.Normal soils


Question:
Plants that attach themselves to any neighbouring object often by means of some special devices and climb it are called:

1.Trailers

2.Creepers

3.Climbers

4.None of these


Question:
Plants that grown upon other plants but do not absorb food from them are called:

1.Parasites

2.Epiphytes

3.Saprophytes

4.Symbionts


Question:
Pneumatophores or respiratory roots are meant for:

1.Absorption of salts

2.Absorption of water

3.Respiration

4.Photosynthesis


Question:
Pneumatophores or respiratory roots are meant for:

1.Absorption of salts

2.Absorption of water

3.Respiration

4.Photosynthesis


Question:
Pollination taking place between the flowers borne by the same parent is called:

1.Geitonogamy

2.Alogamy

3.Xenogamy

4.None of the above


Question:
Polygenes affecting the same trait, with each enhancing the phenotype are termed as:

1.Amnions

2.Alcaptonuria

3.Allosteric effect

4.Additive factors


Question:
Population improvement is used:

1.To accumulate deleterious alleles

2.To maintain homozygosity

3.To accumulate favourable alleles

4.To increase heterozygosity


Question:
Probably the most useful measurable property in the soil -plant-air system is:

1.Matric Potential

2.Water Potential

3.Osmotic Potential

4.Redox Potential


Question:
Random assortment of genes will occur if the gene are located on:

1.Same chromosome

2.Different chromosomes

3.Sex chromosome

4.Autosome


Question:
Recessive lethal genes are carried in the:

1.Heterogenous form

2.Hetrozygous form

3.Homozygous form

4.Homogenous form


Question:
Recurrent selection is mostly used in:

1. Cross pollinated crops

2.Self pollinated crops

3.Vegetatively propagated crops

4.Apomictic crop plants


Question:
Reduction Division in micro-sporogenesis occurs when:

1.Pollen mother cells are produced from & porocytes

2.Sporocytes are produced

3.Ovules are formed

4. Four pollen grains are formed from a pollen mother cell


Question:
Root has:

1.Root cap

2.Region of cell division

3.Give proper anchorage to plant

4.All the above


Question:
Secondary nucleus in the embryosac is:

1.Hoplold

2.Diploid

3.Triploid

4.Hexaploid


Question:
Selfing of a plant increases:

1.Heterozygosity

2.Homozygosity

3.Homogenecity

4.Heterogenecity


Question:
Sex in Drosophila is governed by the following mechanism:

1.XY methods

2.OX method

3.ZZ method

4.X autosomes rati


Question:
Single gene affecting more than one character is:

1.Polymorphism

2.Pleiotropy

3.Phenocopy

4.Complete penetrance


Question:
Which of the following scientists is called the father of genetics?

1.Charles Darwin

2.Robert Hooke

3.Gregor Mendel

4.Gregor Morgon


Question:
Which of the fruit is capsule?

1.Beans

2.Mustard

3.Cotton

4.Wheat


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