Select the incorrect statement with respect to Atlas 66:

  • A wheat variety having high protein content

  • Used as a donor for improving cultivated wheat

  • Is a variety of mexican dwarf wheat

  • Has been used for biofortification

Find the mis-match:

  • Explant - Plant part used for tissue culture

  • Somaclones - Variations produced during micropropagation

  • Callus - Undifferentiated mass of cells

  • Totipotency- Capacity to generate a whole plant from any cell

To induce follicular maturation and super-ovulation, a cow is administered a hormone with activity like:

  • FSH

  • LH

  • Estrogen

  • Progesterone

Which of the following is a freshwater edible fish?

  • Hilsa

  • Mackerel

  • Pomfret

  • Common carp

The reduced biological fitness in a given population as a result of breeding of related individuals is called as:

  • Heterosis

  • Heterozygote advantage

  • 3 Inbreeding depression

  • Saltation

In MOET, the fertilized eggs at 8 – 32 cells stage is transferred to the surrogate rather than the genetic mother because:

  • 1 The surrogte chosen is of a different breed from the genetic mother

  • 2.The surrogate mother is of a younger age

  • 3.The geneti mother is available for another round of super ovulation

  • 4.The genetic mother is of an inferior bree

Germplasm collection is in the form of

  • Seeds

  • Whole plant

  • Tissue

  • All of these

Agriculture contributes about _____ of India’s GDP and gives employment to _______ of the population

  • 15%, 18%

  • 33%, 62%

  • 62%, 33%

  • 62%, 70%

Mutation breeding

powdery mildew

  • Is the use of induced mutations in plant breeding to develop improved varieties.

  • Can be done only by physical mutagens.

  • Has led to the development of mung bean resistant to yellow mosaic virus (YMV) and

  • Both 1. and 3.

Plants can be made disease resistant through

  • X-ray treatment

  • Hormone treatment

  • Colchicine treatment

  • Breeding with wild relatives

In wheat, stem sawfly unable to cause destruction of crop due to

  • Low nitrogen and sugar content

  • Hollow stem
  • Solid stem
  • Nectarless flowers

Find the correct match w.r.t. crop variety for their disease resistant 

   Column I                       Column II

(a) Pusa Komal                (i) Tobaccor mosaic virus

(b) Pusa Sadabahar         (ii) Black rot

(c) Pusa Shubhra             (iii) White rust

(d) Pusa Swarnim             (iv) Bacterial Blight

 

  • a(iv), b(i), c(ii), d(iii)

  • a(iv), b(i), c(iii), d(ii)
  • a(i), b(iv), c(ii), d(iii)
  • a(ii), b(iii), c(iv), d(i)

Which of the following in not the objective of bio fortification :-

  • Improvement of protein content and quality.

  • Increase oil content & quality
  • Reduction in micro nutrient and mineral content.
  • Improvement of vitamin content.

Atlas 66 is a variety of :-

  • Wheat

  • Bhindi

  • Rice

  • Sugar cane

Somaclones are produced by

  • Micropropagation.

  • Mutation.

  • Polyploidy.

  • Hybridisation.

Read the following statement and select the right choice

a. Semi-dwarf varieties, Jaya and Ratna were developed in IRRI, Phillippines.
b. Classical plant breeding involves crossing or hybridization of pure lines.
c. Saccharum barberi was originally grown in South India.
d. Genetic variability is the root of any breeding programme.

  • Only a is correct.

  • b and d are correct.

  • a, b and c are correct.

  • b, c and d are correct.

In maize, which of the following leads to resistance to maize stem borers?

  •   High aspartic acid and low sugar content.

  •   Solid stem and smooth leaves.

  •   Nectarless flowers.

  •   Solid stem and high sugar contents.

Genetically identical plants produced by micropropagation are called

  •   Explants

  •   Somaclones

  •   Somatic hybrids

  •   Cybrids

Study the following statements find the incorrect match.

  • Wild relatives are used in plant breeding.

  • Production of single cell protein is useful in reducing environmental pollution.

  • Somaclones are different from source of explant.

  • Maize hybrid have twice amount of amino acid lysine & tryptophan.

“Pusa Swarnim” is a/an

  • Aphid resistant variety of Brassica. 

  • White rust resistant variety of Brassica. 

  • Shoot and fruit borer resistant variety of flat bean.

  •   Hill bunt resistant variety of wheat.

In mung bean, resistance to yellow mosaic virus is induced by

  • Mutation breeding 

  • Hybridisation

  • Selection 

  • Polyploid breeding

Consider the following method of breeding in animals:
I. Matings take place between same breed
II. No common ancestor is present on either side for 4 – 6 generations
III. It is the best method to improve milk production in cattle

This method of breeding is called:

  • Inter-specific hybridization

  • Cross-breeding

  • Inbreeding

  • Out-crossing

The practice of mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4 – 6 generations, is called:

  • Inbreeding

  • Out crossing

  • Cross breeding

  • Inter-specific hybridization

Gelatin, an important raw material for preparation of photographic emulsion is a by product of
 
  •   chicken
  •   forest
  •   cattle
  •   fish

The crops engineered for glyphosate are resistant/tolerant to

 
  • fungi
  • bacteria
  • insects
  • herbicides
‘Jaya’ and ‘Ratna’ developed for green revolution in India are the varieties of

  •   rice

  •   wheat

  •   bajra

  •   maize

Bioethanol can be produced by using which of the following plants?

  •   Brassica

  •   Zea maize

  •   Jatropha

  •   Pongamia

Mutations can be induced with

  •   IAA

  •   ethylene

  •   gamma radiations

  •   infrared radiations

When two unrelated individuals or lines crossed, the performance of F1 hybrid is of superior to both its parents. This phenomenon is called

  •   transformation

  •   splicing

  •   metamorphosis

  •   heterosis

In virus-infected plants the meristematic tissue in both apical and axilary buds are free of virus because:

  • the dividing cells are virus resistant

  • meristems have anti viral compounds

  • the cell division of meristems are faster than the rate of viral multiplication

  • virus cannot multiply within meristem cell (s).

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