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Home » GAT Subject » Agriculture » Aptitude Test - 24
1.Cucumber, Kidney bean, pea and tomato are the example of _______?
A. Long day plants
B. Long night plants
C. Long day and Long night plants
D. Long day plants
2.Plant growth regulator found in terminal and lateral buds is___________________?
A. Abscisic acid
B. Gibberellins
C. Auxins
D. Abscisic acid
3.What is 2,4-D____?
A. 2-4 napthalene acetic acid
B. IAA
C. 2-4 diclorophenoxy acetic acid
D. 2-4 napthalene acetic acid
4.Commercial growth inhibitors include_______?
A. Daminozide
B. Chlormequat
C. Cycocel
D. Daminozide
5.Rooting of shoots, stems or branches while they are still attached to the parents is called____?
A. Budding
B. Layering
C. Ground Layering
D. Budding
6.A propagation technique in which instead of wrapping the notched portion is burried in the ground is called____?
A. Ghooti
B. Layering
C. Ground layering
D. Ghooti
7.A technique which involves separating vegetative parts like rhizome offset, corns and sucker from the parent plant is called____?
A. Root cutting
B. Stool layering
C. Mound layering
D. Root cutting
8.Protein content in barely is higher than_______?
A. maize
B. maize
C. maize
D. maize
9.Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
A. Barley
B. Barley
C. Barley
D. Barley
10.ICARDA is located at___________________?
A. Columbia
B. Tamil Nadu
C. Tamil Nadu
D. Columbia
11.The concept of disruptive was given by_______?
A. Morgan
B. Shull and East
C. Mather
D. Morgan
12.Germplasm gene banks for different crop plants in world are about?
A. 980
B. 1080
C. 1200
D. 980
13.Global gene pool rice is maintained at_____?
A. China
B. IRRI Philippines
C. Mexico
D. China
14.In the long term storage, germplasm can be stored upto?
A. 200 years
B. 150 years
C. 100 years
D. 200 years
15.Global gene bank of Potato is located at?
A. Columbia
B. Florida
C. CIP Peru
D. Columbia
16.Conservation of germplasm under natural condion is called?
A. In-situ conservation
B. Gene bank
C. Ex-situ conservation
D. In-situ conservation
17.Gene pool consist of?
A. Modern cultivars
B. Land race
C. Advanced breeding materials
D. Modern cultivars
18.Germplasm collected within the country is known as?
A. Active collection
B. Working collection
C. Indigenous collection
D. Active collection
19.A place or area where maximum variability of crop plants is observed?
A. Genetic diversity
B. Micro centers
C. Gene sanctuaries
D. Genetic diversity
20.System of mating were given by?
A. Sewell Wright (1921)
B. Mather (1953)
C. Bruce and Keebel (1908)
D. Sewell Wright (1921)
21.Allogamy leads to?
A. Homozy gosity
B. Heterozy gosity
C. Segregation
D. Homozy gosity
22.The term mitosis was coined by?
A. Flemming (1882)
B. De Vries and correns (1908)
C. Bruce and Keeble (1908)
D. Flemming (1882)
23.Artificial vegetative reproduction is done by?
A. Grafting
B. Grafting
C. Grafting
D. Grafting
24.When pollination and fertilization occur in unopened flower bud it is known as
A. Hamogamy
B. Cleistogamy
C. Cleistogamy
D. Hamogamy
25.Allogamy is promoted by?
A. Male sterility
B. Dichiny
C. Dichiny
D. Male sterility
26.Mating between distantly related individuals is known as?
A. Inbreeding
B. Out breeding
C. Amphimixis
D. Inbreeding
27.The term self incompatibility was coined by?
A. Koelreuter (1763)
B. Gerstel (1950)
C. East (1940)
D. Koelreuter (1763)
28.Self incompatibility in which the genes express in the style is known as?
A. Styler SL
B. Ovarian SL
C. Polyallelic SL
D. Styler SL
29.Self incompatibility which is controlled by two genes is found in?
A. Gramineae
B. Solanaceae
C. Cruciferae
D. Gramineae
30.Plants having monoecious flowers are found in?
A. Maize
B. Caster
C. Colocasia
D. Maize
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