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Plant Breeding & Genetics Quiz 6

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Plant Breeding & Genetics Quiz 6

1 / 50

The process of transfer and deletion of several gene is_____________________?

2 / 50

In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

3 / 50

Triticuin aestivuin is_________________?

4 / 50

Specific combining ability is primarily a function of___________________?

5 / 50

haploids are better for mutation studies because in them all the mutations whether recessive or dominant are expressed as_______________?

6 / 50

Parthenogenesis is most commonly seen in___________________?

7 / 50

The term cell was introduced in 1665 by__________________?

8 / 50

Number of lindage groups of chromosomes____________________?

9 / 50

Winter beats are grown in___________________?

10 / 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_________________?

11 / 50

An individual lacking only one chromosome from the diploid set is referred as_________________?

12 / 50

Plants can be made disease resistant by___________________?

13 / 50

The value of regression and correlation is the same when the correlation between two variables is________________?

14 / 50

Mating system in which each female gamete () with every male gamete is known as____________________?

15 / 50

Plant breeder right are operating in____________________?

16 / 50

Three important law of heredity proposed by Mendel relate to___________________?

17 / 50

A genetic element which can exist in more than one of the two alternative forms is known as__________________?

18 / 50

Eugenics refers to__________________?

19 / 50

Synopsis occur in___________________?

20 / 50

Primitive cultivars which are selected and cultivated by farmers for many years are___________________?

21 / 50

Bacteria, single celled animals and plants are grouped to gather as_______________________?

22 / 50

The most effective method for the transfer of oligogenic characters________________?

23 / 50

The term mitosis was coined by__________________?

24 / 50

In random mating population gene frequencies remain constant generation after generation in the absence of__________________?

25 / 50

A gene which exhibits higher mutation rate than others is referred as___________________?

26 / 50

In oat an site-specific cross between Ivena sativa and A busantus_____________________?

27 / 50

A mutation is a change in_________________?

28 / 50

Reciprocal recurrent selection was proposed by___________________?

29 / 50

Which of the following is not a fruit____________________?

30 / 50

Stadler, first used X-rays for induction of mutation in_________________?

31 / 50

As a general rule interbreeding is possible between______________________?

32 / 50

Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?

33 / 50

The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________?

34 / 50

Concept of path coefficient analysis was given by_________________?

35 / 50

Carbohydrates synthesis is carried out by ___________________?

36 / 50

Epitasis implies_____________________?

37 / 50

The digestive vacuole in the animal cell are____________________?

38 / 50

The concept of multi line varieties was developed by_________________?

39 / 50

ICARDA is located at___________________?

40 / 50

A cross of hybrid with one of its recessive parent is termed____________________?

41 / 50

The ratio of treatment variance to error variance is known as______________________?

42 / 50

Reciprocal recurrent selection is effective with___________________?

43 / 50

Genetic male sterility is controlled by_________________?

44 / 50

The term ideotype was coined by_____________________?

45 / 50

In wheat, Hessian fly pest is genetically controlled by__________________?

46 / 50

The physical appearance of an organism is denoted by____________________?

47 / 50

Which is the suitable perennial grass for lean periods__________________?

48 / 50

Sugar present in DNA is_______________?

49 / 50

Drought resistance is associated with___________________?

50 / 50

All the individuals derived by vegetative propagation from a single individual is known as___________________?

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