Plant Breeding & Genetics Quiz 6
1 / 50
Plant breeder right are operating in____________________?
2 / 50
Stadler, first used X-rays for induction of mutation in_________________?
3 / 50
Sugar present in DNA is_______________?
4 / 50
Primitive cultivars which are selected and cultivated by farmers for many years are___________________?
5 / 50
ICARDA is located at___________________?
6 / 50
The term ideotype was coined by_____________________?
7 / 50
Bacteria, single celled animals and plants are grouped to gather as_______________________?
8 / 50
In random mating population gene frequencies remain constant generation after generation in the absence of__________________?
9 / 50
Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
10 / 50
In wheat, Hessian fly pest is genetically controlled by__________________?
11 / 50
In oat an site-specific cross between Ivena sativa and A busantus_____________________?
12 / 50
Drought resistance is associated with___________________?
13 / 50
The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________?
14 / 50
A mutation is a change in_________________?
15 / 50
Reciprocal recurrent selection is effective with___________________?
16 / 50
Specific combining ability is primarily a function of___________________?
17 / 50
Epitasis implies_____________________?
18 / 50
The term cell was introduced in 1665 by__________________?
19 / 50
When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________?
20 / 50
A cross of hybrid with one of its recessive parent is termed____________________?
21 / 50
All the individuals derived by vegetative propagation from a single individual is known as___________________?
22 / 50
Synopsis occur in___________________?
23 / 50
haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?
24 / 50
The value of regression and correlation is the same when the correlation between two variables is________________?
25 / 50
Winter beats are grown in___________________?
26 / 50
The physical appearance of an organism is denoted by____________________?
27 / 50
The digestive vacuole in the animal cell are____________________?
28 / 50
The concept of multi line varieties was developed by_________________?
29 / 50
Triticuin aestivuin is_________________?
30 / 50
The term mitosis was coined by__________________?
31 / 50
The ratio of treatment variance to error variance is known as______________________?
32 / 50
The most effective method for the transfer of oligogenic characters________________?
33 / 50
Reciprocal recurrent selection was proposed by___________________?
34 / 50
Mating system in which each female gamete () with every male gamete is known as____________________?
35 / 50
Number of lindage groups of chromosomes____________________?
36 / 50
The process of transfer and deletion of several gene is_____________________?
37 / 50
Concept of path coefficient analysis was given by_________________?
38 / 50
Parthenogenesis is most commonly seen in___________________?
39 / 50
A genetic element which can exist in more than one of the two alternative forms is known as__________________?
40 / 50
Plants can be made disease resistant by___________________?
41 / 50
Genetic male sterility is controlled by_________________?
42 / 50
Eugenics refers to__________________?
43 / 50
A gene which exhibits higher mutation rate than others is referred as___________________?
44 / 50
Three important law of heredity proposed by Mendel relate to___________________?
45 / 50
As a general rule interbreeding is possible between______________________?
46 / 50
In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?
47 / 50
Which is the suitable perennial grass for lean periods__________________?
48 / 50
Carbohydrates synthesis is carried out by ___________________?
49 / 50
Which of the following is not a fruit____________________?
50 / 50
An individual lacking only one chromosome from the diploid set is referred as_________________?
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