Plant Breeding & Genetics Mcqs - Set 2

1)   Self incompatibility in which the genes express in the style is known as__________________?

a. Styler SL
b. Ovarian SL
c. Polyallelic SL
d. Diallelic SL
Answer  Explanation 

ANSWER: Styler SL

Explanation:
No explanation is available for this question!

2)   Self incompatibility which is controlled by two genes is found in___________________?

a. Gramineae
b. Solanaceae
c. Cruciferae
d. None of the above
Answer  Explanation 

ANSWER: Gramineae

Explanation:
No explanation is available for this question!

3)   Plants having monoecious flowers are found in____________________?

a. Maize
b. Caster
c. Colocasia
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!

4)   Anthesis starts in Allium cepa at___________________?

a. 7.00 am
b. 10.00 am
c. 3.00 pm
d. 5.00 pm
Answer  Explanation 

ANSWER: 7.00 am

Explanation:
No explanation is available for this question!

5)   Amphimixis refers to_______________________?

a. Asexual reproduction
b. Sexual reproduction
c. Apomixes
d. None of the above
Answer  Explanation 

ANSWER: Sexual reproduction

Explanation:
No explanation is available for this question!

6)   Cytoplasmic sterility is govemed by________________________?

a. Nuclear genes
b. Plasma genes
c. Monoalleleic genes
d. None of the above
Answer  Explanation 

ANSWER: Plasma genes

Explanation:
No explanation is available for this question!

7)   Herkogamy is found in___________________?

a. Barley
b. Berseen
c. Lucrene
d. Alfalfa
Answer  Explanation 

ANSWER: Alfalfa

Explanation:
No explanation is available for this question!

8)   Somatic hybrid “Pomato” was produced by fusion between potato and tomato by__________________?

a. Glebe and Hoffmann (1979)
b. Melchers et al (1978)
c. Sam Norum (1976)
d. Guha and Maheshwari (1974)
Answer  Explanation 

ANSWER: Melchers et al (1978)

Explanation:
No explanation is available for this question!

9)   RELP’s, RAPD are helpful in________________?

a. Gene sequencing
b. Gene mapping
c. Identify new genes
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!

10)   The process of producing several indentical copies of a gene sequence referred to as__________________?

a. Gene sequencing
b. Gene cloning
c. Gene splicing
d. Micro cloning
Answer  Explanation 

ANSWER: Gene cloning

Explanation:
No explanation is available for this question!

11)   The concept of multi line varieties was developed by_________________?

a. Falconer (1960)
b. Goulden (1939)
c. Jensen (1952)
d. Johannsen (1903)
Answer  Explanation 

ANSWER: Jensen (1952)

Explanation:
No explanation is available for this question!

12)   A heterogeneous population include_______________?

a. Composites
b. Multi lines
c. Synthetic
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!

13)   Mass pedigree method was developed by__________________?

a. Harrington (1973)
b. Falconer (1960)
c. Vilomorin (1980)
d. Allard (91400
Answer  Explanation 

ANSWER: Harrington (1973)

Explanation:
No explanation is available for this question!

14)   The most effective method for the transfer of oligogenic characters________________?

a. Bulk
b. Backcross
c. Disruptive
d. Pedigree
Answer  Explanation 

ANSWER: Backcross

Explanation:
No explanation is available for this question!

15)   Genetic selection was proposed by_________________?

a. Richy (1927)
b. Stadler (1944)
c. Hull (1945)
d. East (1920)
Answer  Explanation 

ANSWER: Stadler (1944)

Explanation:
No explanation is available for this question!

16)   The term recurrent selection was coined by_________________?

a. Hull (1945)
b. Hull (1950)
c. Hays (1919)
d. Garber (1955)
Answer  Explanation 

ANSWER: Hull (1945)

Explanation:
No explanation is available for this question!

17)   Plasmids are discovered by___________________?

a. Watson & Crick
b. Iscki & Sakai
c. Beadle & Tatum
d. None of the above
Answer  Explanation 

ANSWER: Iscki & Sakai

Explanation:
No explanation is available for this question!

18)   Concept of generation means analysis was developed by_______________________?

a. Hayman (1958)
b. Griffing (1965)
c. Jink (1950)
d. Kempthome (1957)
Answer  Explanation 

ANSWER: Hayman (1958)

Explanation:
No explanation is available for this question!

19)   Difference between mean phenotypic value of the progeny of selected plants and the parental population is known as__________________?

a. Genetic gain
b. Genetic advance
c. Heritability
d. Coheritability
Answer  Explanation 

ANSWER: Genetic advance

Explanation:
No explanation is available for this question!

20)   Concept of path coefficient analysis was given by_________________?

a. Mather (1949)
b. Wright (1921)
c. Fisher (1918)
d. Smith (1936)
Answer  Explanation 

ANSWER: Mather (1949)

Explanation:
No explanation is available for this question!

Related Content

▲