Plant Breeding And Genetics MCQs

Option A: Hybrid

Option B: Top cross

Option C: Poly cross

Option D: Inbred

Correct Answer: Inbred ✔

Option A: Hull (1945)

Option B: Bruce (1910)

Option C: East (1908)

Option D: Shull (1914)

Correct Answer: Shull (1914) ✔

Option A: Davenport (1908)

Option B: Shull (1914)

Option C: Bruce (1910)

Option D: Davis (1927)

Correct Answer: Davenport (1908) ✔

Option A: Typsin inhibitor

Option B: Goiterogens

Option C: Both A & B

Option D: Neither

Correct Answer: Both A & B ✔

Option A: Methionine

Option B: Arginine

Option C: Lysine

Option D: Trytophan

Correct Answer: Methionine ✔

Option A: Lysine

Option B: Threamine

Option C: Tryptophan

Option D: Methionine

Correct Answer: Tryptophan ✔

Option A: Oil

Option B: Protein

Option C: Vitamin

Option D: All the above

Correct Answer: All the above ✔

Option A: Pearl millet

Option B: Berseem

Option C: Lucem

Option D: Sorghum

Correct Answer: Sorghum ✔

Option A: Safflower

Option B: Til

Option C: Soybean

Option D: Mustard

Correct Answer: Mustard ✔

Option A: Maize

Option B: Barley

Option C: Oenothera

Option D: Sorghum

Correct Answer: Maize ✔

Option A: Heritability (b.s)

Option B: Genetic gain

Option C: Co-heritability

Option D: Genetic advance

Correct Answer: Co-heritability ✔

Option A: Genotypic correlation

Option B: Phenotypic correlation

Option C: Simple correlation

Option D: Environmental correlation

Correct Answer: Genotypic correlation ✔

Option A: P (P-1)/2

Option B: P (P-1)

Option C: P (P+1)/2

Option D: P2

Correct Answer: P (P+1)/2 ✔

Option A: Sprague and Tatum (1942)

Option B: Cavalli (1952)

Option C: Mather (1956)

Option D: Wright (1951)

Correct Answer: Sprague and Tatum (1942) ✔

Option A: Hardy (1908)

Option B: Thoday (1953)

Option C: Salisbury (1940)

Option D: Muller (1950)

Correct Answer: Thoday (1953) ✔

Option A: Dominance gene action

Option B: Additive gene action

Option C: non-additive gene action

Option D: Partial dominance gene action

Correct Answer: Partial dominance gene action ✔

Option A: Thoday (1960)

Option B: Mather (1951)

Option C: Allard (1957)

Option D: Johannsen (1903)

Correct Answer: Johannsen (1903) ✔

Option A: Smith (1936)

Option B: Yates (1947)

Option C: Griffing (1956)

Option D: Kempt Horne (1957)

Correct Answer: Smith (1936) ✔

Option A: Robinson (1948)

Option B: Lemer (1954)

Option C: Perkins (1971)

Option D: Comstock and Moll (1963)

Correct Answer: Comstock and Moll (1963) ✔

Option A: Kearsey and Jinks (1960)

Option B: Mather (1949)

Option C: Anderson (1957)

Option D: Fisher (1960)

Correct Answer: Kearsey and Jinks (1960) ✔

Option A: Perkins (1968)

Option B: Jinks and Jones (1958)

Option C: Hayman (1958)

Option D: Comstock and Robinson (1948)

Correct Answer: Comstock and Robinson (1948) ✔

Option A: Gene interaction

Option B: Peliotropy

Option C: Dominance

Option D: Selection differential

Correct Answer: Peliotropy ✔

Option A: Cytoplasm

Option B: 5D + 5d

Option C: 2D

Option D: 1D

Correct Answer: 5D + 5d ✔

Option A: Hays and limner (1950)

Option B: Constock et al (1949)

Option C: Allard (1955)

Option D: Hull (1935)

Correct Answer: Constock et al (1949) ✔

Option A: Jones (1920)

Option B: Richy (1920)

Option C: Hays (1919)

Option D: East (1920)

Correct Answer: Richy (1920) ✔

Option A: brim (1966)

Option B: Jensen (1952)

Option C: Jensen (1970)

Option D: Russel (1978)

Correct Answer: Jensen (1970) ✔

Option A: Goulden (1939)

Option B: Simmonds (1979)

Option C: Giber (1953)

Option D: Brim (1966)

Correct Answer: Goulden (1939) ✔

Option A: Inbreed lines

Option B: Multi lines

Option C: Pure lines

Option D: All the above

Correct Answer: All the above ✔

Option A: Grafius (1965)

Option B: Mather (9153)

Option C: Thoday (1960)

Option D: Falconer (1960)

Correct Answer: Falconer (1960) ✔

Option A: Hetrozygosity

Option B: Homozygosity

Option C: Homogeneity

Option D: All the above

Correct Answer: Homozygosity ✔

Option A: Gene sequencing

Option B: Gene mapping

Option C: Identify new gene

Option D: All the above

Correct Answer: All the above ✔

Option A: Wheat

Option B: Sorghum

Option C: Maize

Option D: Barley

Correct Answer: Maize ✔

Option A: Jones and Davies (1944)

Option B: Devaries and Correns (1900)

Option C: Bruce and Keeble (1908)

Option D: Nilson (1900)

Correct Answer: Jones and Davies (1944) ✔

Option A: Allelic genes

Option B: Non alleleic genes

Option C: nuclear genes

Option D: All the above

Correct Answer: nuclear genes ✔

Option A: 10.00 am

Option B: 5.20 pm

Option C: 1.15 pm

Option D: 7.00 am

Correct Answer: 1.15 pm ✔

Option A: Six stamens

Option B: Eight stamens

Option C: Four stamens

Option D: None of the above

Correct Answer: Six stamens ✔

Option A: Papaya

Option B: Datepalm

Option C: Hemp

Option D: All the above

Correct Answer: All the above ✔

Option A: Cruciferae

Option B: Solanaceae

Option C: Leguminosae

Option D: All the above

Correct Answer: All the above ✔

Option A: GMS

Option B: CMS

Option C: CGMS

Option D: all the above

Correct Answer: GMS ✔

Option A: Bateman (1952)

Option B: Stout (1917)

Option C: Koelreuter (1763)

Option D: Braw baker (1958)

Correct Answer: Koelreuter (1763) ✔

Option A: Genetic assortative mating

Option B: Genetic disassortative mating

Option C: Random mating

Option D: None of the above

Correct Answer: Random mating ✔

Option A: Herkogamy

Option B: Dichogamy

Option C: Chasmogamy

Option D: Homogamy

Correct Answer: Homogamy ✔

Option A: Apogamy

Option B: Parthenogenesis

Option C: Apospory

Option D: Autogamy

Correct Answer: Parthenogenesis ✔

Option A: Rimpu (1890)

Option B: Nilson (1900)

Option C: De Vilmorin (1856)

Option D: Flemming (1882)

Correct Answer: Flemming (1882) ✔

Option A: Mitosis

Option B: Meiosis

Option C: Peleiotropy

Option D: None of the above

Correct Answer: Meiosis ✔

Option A: Inbreeding

Option B: Out breeding

Option C: Syn breeding

Option D: All the above

Correct Answer: Out breeding ✔

Option A: Centers of diversity

Option B: Land races

Option C: Genetic erosion

Option D: Genetic diversity

Correct Answer: Genetic erosion ✔

Option A: teriary gene pool

Option B: Obsolete cultivars

Option C: Land races

Option D: Modern cultivars

Correct Answer: Land races ✔

Option A: Genetic diversity

Option B: Genetic erosion

Option C: Gene sanctuaries

Option D: Field gene banks

Correct Answer: Genetic diversity ✔

Option A: Recalcitrant seeds

Option B: Active seeds

Option C: Orthodox seeds

Option D: Certified seeds

Correct Answer: Orthodox seeds ✔

Option A: ICARDA

Option B: Florida

Option C: CIP

Option D: ICRISAT

Correct Answer: ICARDA ✔

Option A: ICRISAT

Option B: ICARDA

Option C: CIP Peru

Option D: None of the above

Correct Answer: ICRISAT ✔

Option A: Exotic collection

Option B: Working collection

Option C: Indigenous collection

Option D: None of the above

Correct Answer: Working collection ✔

Option A: 12%

Option B: 20%

Option C: 15%

Option D: 18%

Correct Answer: 12% ✔

Option A: Mexico

Option B: Nigeria

Option C: Syria

Option D: Columbia

Correct Answer: Nigeria ✔

Option A: Wilkins

Option B: Jacob

Option C: Vavilov

Option D: None of the above

Correct Answer: Vavilov ✔

Option A: Knight

Option B: Morgan

Option C: Fischer

Option D: Muller

Correct Answer: Knight ✔

Option A: T.S. Venkatraman

Option B: R.S. Paroda

Option C: R.B. Singh

Option D: T.S. Verma

Correct Answer: T.S. Venkatraman ✔

Option A: Saponin

Option B: Coumarin

Option C: Neurotoxin

Option D: All the above

Correct Answer: Saponin ✔

Option A: Drosoplulla

Option B: Pea

Option C: Cluckens

Option D: All the above

Correct Answer: Cluckens ✔

Option A: High buffering capacity

Option B: Stability

Option C: Low buffering capacity

Option D: Adaptability

Correct Answer: High buffering capacity ✔

Option A: Top crosses

Option B: Biparental cross

Option C: Double cross

Option D: Test cross

Correct Answer: Test cross ✔

Option A: Fisher

Option B: Falconer

Option C: Mather

Option D: Hayman

Correct Answer: Fisher ✔

Option A: Different sets of females

Option B: Few females in a set

Option C: Same sets of females

Option D: All the above

Correct Answer: Same sets of females ✔

Option A: Heritability (broad sense)

Option B: Heritability (narrow sense)

Option C: Co-heritability

Option D: Genetic gain

Correct Answer: Heritability (narrow sense) ✔

Option A: Dominance variance

Option B: Additive x dominance epistasis

Option C: Dominance x dominance epistasis

Option D: All the above

Correct Answer: All the above ✔

Option A: Environmental covanance

Option B: Phenotypic covanance

Option C: Genotypic convanance

Option D: All the above

Correct Answer: All the above ✔

Option A: Lemer (1954)

Option B: Jinks (1968)

Option C: Warner (1952)

Option D: Freeman (1971)

Correct Answer: Lemer (1954) ✔

Option A: Yates (1947)

Option B: Hazel (1943)

Option C: Mather (1943)

Option D: Griffing (1956)

Correct Answer: Mather (1943) ✔

Option A: Mather (1949)

Option B: Wright (1921)

Option C: Fisher (1918)

Option D: Smith (1936)

Correct Answer: Mather (1949) ✔

Option A: Genetic gain

Option B: Genetic advance

Option C: Heritability

Option D: Coheritability

Correct Answer: Genetic advance ✔

Option A: Hayman (1958)

Option B: Griffing (1965)

Option C: Jink (1950)

Option D: Kempthome (1957)

Correct Answer: Hayman (1958) ✔

Option A: Watson & Crick

Option B: Iscki & Sakai

Option C: Beadle & Tatum

Option D: None of the above

Correct Answer: Iscki & Sakai ✔

Option A: Hull (1945)

Option B: Hull (1950)

Option C: Hays (1919)

Option D: Garber (1955)

Correct Answer: Hull (1945) ✔

Option A: Richy (1927)

Option B: Stadler (1944)

Option C: Hull (1945)

Option D: East (1920)

Correct Answer: Stadler (1944) ✔

Option A: Bulk

Option B: Backcross

Option C: Disruptive

Option D: Pedigree

Correct Answer: Backcross ✔

Option A: Harrington (1973)

Option B: Falconer (1960)

Option C: Vilomorin (1980)

Option D: Allard (91400

Correct Answer: Harrington (1973) ✔

Option A: Composites

Option B: Multi lines

Option C: Synthetic

Option D: All the above

Correct Answer: All the above ✔

Option A: Falconer (1960)

Option B: Goulden (1939)

Option C: Jensen (1952)

Option D: Johannsen (1903)

Correct Answer: Jensen (1952) ✔

Option A: Gene sequencing

Option B: Gene cloning

Option C: Gene splicing

Option D: Micro cloning

Correct Answer: Gene cloning ✔

Option A: Gene sequencing

Option B: Gene mapping

Option C: Identify new genes

Option D: All the above

Correct Answer: All the above ✔

Option A: Glebe and Hoffmann (1979)

Option B: Melchers et al (1978)

Option C: Sam Norum (1976)

Option D: Guha and Maheshwari (1974)

Correct Answer: Melchers et al (1978) ✔

Option A: Barley

Option B: Berseen

Option C: Lucrene

Option D: Alfalfa

Correct Answer: Alfalfa ✔

Option A: Nuclear genes

Option B: Plasma genes

Option C: Monoalleleic genes

Option D: None of the above

Correct Answer: Plasma genes ✔

Option A: Asexual reproduction

Option B: Sexual reproduction

Option C: Apomixes

Option D: None of the above

Correct Answer: Sexual reproduction ✔

Option A: 7.00 am

Option B: 10.00 am

Option C: 3.00 pm

Option D: 5.00 pm

Correct Answer: 7.00 am ✔

Option A: Maize

Option B: Caster

Option C: Colocasia

Option D: All the above

Correct Answer: All the above ✔

Option A: Gramineae

Option B: Solanaceae

Option C: Cruciferae

Option D: None of the above

Correct Answer: Gramineae ✔

Option A: Styler SL

Option B: Ovarian SL

Option C: Polyallelic SL

Option D: Diallelic SL

Correct Answer: Styler SL ✔

Option A: Koelreuter (1763)

Option B: Gerstel (1950)

Option C: East (1940)

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Inbreeding

Option B: Out breeding

Option C: Amphimixis

Option D: All the above

Correct Answer: Out breeding ✔

Option A: Male sterility

Option B: Dichiny

Option C: Herkogamy

Option D: All the above

Correct Answer: All the above ✔

Option A: Hamogamy

Option B: Cleistogamy

Option C: Chasmogamy

Option D: All the above

Correct Answer: Cleistogamy ✔

Option A: Grafting

Option B: Budding

Option C: Layering

Option D: All the above

Correct Answer: All the above ✔

Option A: Flemming (1882)

Option B: De Vries and correns (1908)

Option C: Bruce and Keeble (1908)

Option D: Non of these

Correct Answer: Flemming (1882) ✔

Option A: Homozy gosity

Option B: Heterozy gosity

Option C: Segregation

Option D: none of the above

Correct Answer: Heterozy gosity ✔

Option A: Sewell Wright (1921)

Option B: Mather (1953)

Option C: Bruce and Keebel (1908)

Option D: Shall and East (1920)

Correct Answer: Sewell Wright (1921) ✔

Option A: Genetic diversity

Option B: Micro centers

Option C: Gene sanctuaries

Option D: Centers of diversity

Correct Answer: Centers of diversity ✔

Option A: Active collection

Option B: Working collection

Option C: Indigenous collection

Option D: Exotic collection

Correct Answer: Indigenous collection ✔

Option A: Modern cultivars

Option B: Advanced breeding materials

Option C: Land race

Option D: All the above

Correct Answer: All the above ✔