agriculture MCQs – Page 265

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

5281. Maximum mutants varieties are evolved in_________________?
comments icon0

A. Wheat

B. Rice

C. Maize

D. Barley

5282. The concept of disruptive was given by____________________?
comments icon0

A. None of the above

B. Morgan

C. Shull and East

D. Mather
5283. In wheat, Hessian fly pest is genetically controlled by__________________?
comments icon0

A. 1D

B. 2D

C. Cytoplasm

D. 5D + 5d
5284. Fertilization in a flower occurs within the____________________?
comments icon0
A. Ovule

B. Anther

C. Style

D. Pollen tube

5285. Haploid plants have been produced by another culture in tomato by_________________?
comments icon0

A. Tyagi and Prasad (1965)

B. Singh (1960)

C. Greshof and Doy (1972)

D. Mehta and Upadhya (1960)

5286. Biometrics for the study of quantitative genetics was provided by ___________________?
comments icon0

A. Mather

B. Fisher

C. Falconer

D. Hayman

5287. Mutation was first discovered by________________?
comments icon0
A. Wright (1791)

B. deVries (1900)

C. Morgan (1910)

D. Stadler (1928)

5288. System of mating were given by_________________?
comments icon0
A. Sewell Wright (1921)

B. Bruce and Keebel (1908)

C. Shall and East (1920)

D. Mather (1953)

5289. Jumping gene was first discovered in______________________?
comments icon0

A. Oenothera

B. Maize

C. Barley

D. Sorghum

5290. Concept of disruptive selection was first developed by__________________?
comments icon0

A. Grafius (1965)

B. Mather (9153)

C. Falconer (1960)

D. Thoday (1960)

5291. The term self incompatibility was coined by________________?
comments icon0
A. None of the above

B. East (1940)

C. Gerstel (1950)

D. Koelreuter (1763)

5292. Artificial vegetative reproduction is done by_________________?
comments icon0
A. All the above

B. Grafting

C. Layering

D. Budding

5293. Neurotoxin is found in___________________?
comments icon0
A. Sorghum

B. Lucem

C. Berseem

D. Pearl millet

5294. Development of embryo from egg cell without fertilization is known as___________________?
comments icon0

A. Apogamy

B. Autogamy

C. Apospory

D. Parthenogenesis
5295. Plant breeder right are operating in____________________?
comments icon0

A. 3 meters

B. 50 meters

C. Geneva

D. 200 meters
5296. Increased flower size has made tetraploidy important for___________________?
comments icon0

A. Agronomist

B. Horticulturist

C. Plant breeder

D. Pathologist

5297. Plants having monoecious flowers are found in____________________?
comments icon0
A. All the above

B. Caster

C. Colocasia

D. Maize

5298. The term mitosis was coined by________________?
comments icon0

A. De Vries and correns (1908)

B. Non of these

C. Flemming (1882)

D. Bruce and Keeble (1908)

5299. The process of producing several indentical copies of a gene sequence referred to as__________________?
comments icon0

A. Micro cloning

B. Gene splicing

C. Gene cloning

D. Gene sequencing

5300. The term poly genes was coined by___________________?
comments icon0

A. Hazel (1943)

B. Mather (1943)

C. Griffing (1956)

D. Yates (1947)