Plant Breeding Test

Plant Breeding

This is online test 01 for CBSE class 12 Biology Strategies for Enhancement in Food Production (Plant breeding).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
Cutting of anthers from the bisexual flowers of female parents is called
  • A
    Male sterile line
  • B
    Selective reproduction
  • C
    Artificial selection
  • D
    Emasculation
    Correct
2
Which of the following variety of wheat is resistant to leaf and strip rust and hill bunt disease?
  • A
    IR-78
  • B
    Kalian sona
  • C
    Himgiri
    Correct
  • D
    Sonalika
3
Inbreeding is necessary if you want to evolve a
  • A
    GM food
  • B
    Better variety
  • C
    Pure line
    Correct
  • D
    Heterozygosis
4
Which of the following helps in absorption of phosphorus from soil by plants?
  • A
    Frankia
  • B
    Glomus
  • C
    Rhizobium
  • D
    Anabaena
    Correct
5
Soma clones are obtained by
  • A
    Genetic engineering
    Correct
  • B
    Plant breeding
  • C
    Irradiation
  • D
    Tissue culture
6
Which one of the following is commonly used in transfer of foreign DNA into crop plants?
  • A
    Trichoderma harzianum
  • B
    Meloidogyne incognita
  • C
    Agrobacterium tumefaciens
    Correct
  • D
    Penicillium expansum
7
Crosses between two plants by the same variety are called
  • A
    Intervarietal
  • B
    Interspecific
  • C
    Intergeneric
  • D
    Intravarietal
    Correct
8
Heterosis means
  • A
    Pollen-pistil incompatibility
  • B
    Hybrid vigour
    Correct
  • C
    Pollen sterility
  • D
    Hybrid compatibility
9
In which crops is the method of mass selection applied
  • A
    Self-pollinated
  • B
    Potato and sugarcane
  • C
    Cross pollinated
    Correct
  • D
    Both self and cross pollinated
10
"Jaya" and "Ratna" developed for green revolution in India are the varieties of
  • A
    Rice
  • B
    Wheat
  • C
    Maize
    Correct
  • D
    Bajara