Plant Breeding Quiz | Plant Breeding Objective Type Questions and Answers

Questions
21 A nodal organisation in India to coordinate all the activities related to plant collection, introduction, documentation and sustainable management of germplasm
A NBPGR
B IARI
C ICRISAT
D IBPGR

Answer: NBPGR
22 The central Tuber Crops Research Institute located
A Trivandrum
B Kasargode
C Coimbatore
D Simla

Answer: Trivandrum

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23 Sewall Wright effect refers to random fluctuations in the gene frequencies in
A Small population
B Large population
C Ecosystem
D None of these

Answer: Small population
24 A scientist wants to study the viral effects on plants. Which of the following part of the plant should be excluded?
A pith
B shoot apex
C phloem
D cortex

Answer: shoot apex
25 Somatic hybridisation is achieved through
A Grafting
B Conjugation
C Protoplast fusion
D Recombinant DNA technology

Answer: Protoplast fusion
26 Heterosis is
A Appearance of spontaneous mutations
B Induction of mutations
C Mixture of two or more traits
D Superiority of hybrids over their parents

Answer: Superiority of hybrids over their parents
27 The new varieties of plants are produced by
A Introduction and mutation
B Selection and hybridisation
C Mutation and Selection
D Selection and Introduction

Answer: Selection and hybridisation
28 The quickest method of plant breeding is
A introduction
B Selection
C Hybridisation
D Mutation Breeding

Answer: Mutation Breeding
29 Who coined the term Mutation?
A James Watson
B Herman Joseph Muller
C Hugo de Vries
D None of the Above

Answer: Hugo de Vries
30 The highest number in Ophioglossum reticulatum
A 2n=1260
B 2n=1206
C 2n=1026
D 2n=1620

Answer: 2n=1260
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