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Home » GAT Subject » Agriculture » Aptitude Test - 25
1.Anthesis starts in Allium cepa at?
A. 7.00 am
B. 10.00 am
C. 3.00 pm
D. 7.00 am
2.Amphimixis refers to?
A. Asexual reproduction
B. Sexual reproduction
C. Apomixes
D. Asexual reproduction
3.Cytoplasmic sterility is govemed by?
A. Nuclear genes
B. Plasma genes
C. Monoalleleic genes
D. Nuclear genes
4.Herkogamy is found in?
A. Barley
B. Berseen
C. Lucrene
D. Barley
5.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. Glebe and Hoffmann (1979)
6.RELP�s, RAPD are helpful in?
A. Gene sequencing
B. Gene mapping
C. Identify new genes
D. Gene sequencing
7.The process of producing several indentical copies of a gene sequence referred to as?
A. Gene sequencing
B. Gene cloning
C. Gene splicing
D. Gene sequencing
8.The concept of multi line varieties was developed by?
A. Falconer (1960)
B. Goulden (1939)
C. Jensen (1952)
D. Falconer (1960)
9.A heterogeneous population include?
A. Composites
B. Multi lines
C. Synthetic
D. Composites
10.Mass pedigree method was developed by?
A. Harrington (1973)
B. Falconer (1960)
C. Vilomorin (1980)
D. Harrington (1973)
11.The most effective method for the transfer of oligogenic characters?
A. Bulk
B. Backcross
C. Disruptive
D. Bulk
12.Genetic selection was proposed by?
A. Richy (1927)
B. Stadler (1944)
C. Hull (1945)
D. Richy (1927)
13.The term recurrent selection was coined by?
A. Hull (1945)
B. Hull (1950)
C. Hays (1919)
D. Hull (1945)
14.Plasmids are discovered by?
A. Watson & Crick
B. Iscki & Sakai
C. Beadle & Tatum
D. Watson & Crick
15.Concept of generation means analysis was developed by?
A. Hayman (1958)
B. Griffing (1965)
C. Jink (1950)
D. Hayman (1958)
16.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. Genetic gain
17.Concept of path coefficient analysis was given by?
A. Mather (1949)
B. Wright (1921)
C. Fisher (1918)
D. Mather (1949)
18.The process of producing several indentical copies of a gene sequence referred to as?
A. Gene sequencing
B. Gene cloning
C. Gene splicing
D. Gene sequencing
19.The concept of multi line varieties was developed by?
A. Falconer (1960)
B. Goulden (1939)
C. Jensen (1952)
D. Falconer (1960)
20.A heterogeneous population include?
A. Composites
B. Multi lines
C. Synthetic
D. Composites
21.Mass pedigree method was developed by?
A. Harrington (1973)
B. Falconer (1960)
C. Vilomorin (1980)
D. Harrington (1973)
22.The most effective method for the transfer of oligogenic characters?
A. Bulk
B. Backcross
C. Disruptive
D. Bulk
23.Genetic selection was proposed by?
A. Richy (1927)
B. Stadler (1944)
C. Hull (1945)
D. Richy (1927)
24.The term recurrent selection was coined by?
A. Hull (1945)
B. Hull (1950)
C. Hays (1919)
D. Hull (1945)
25.Plasmids are discovered by?
A. Watson & Crick
B. Iscki & Sakai
C. Beadle & Tatum
D. Watson & Crick
26.Concept of generation means analysis was developed by?
A. Hayman (1958)
B. Griffing (1965)
C. Jink (1950)
D. Hayman (1958)
27.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. Genetic gain
28.Concept of path coefficient analysis was given by?
A. Mather (1949)
B. Wright (1921)
C. Fisher (1918)
D. Mather (1949)
29.Which of the following are cold blooded animals?
A. Human beings
B. Rodents
C. Insects
D. Human beings
30.The substance used to treat pesticide poisoning is called as?
A. Detoxicant
B. Anti-poison
C. Antitode
D. Detoxicant
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