Principles of Inheritance and Variation MCQ Questions & Answers in Botany

351. Albinism is a congenital disorder resulting from thelack of enzyme

A Tyrosinase

B Catalase

C Fructokinase

D Xanthine - oxidase

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352. Dihybrid plants form how many types of pollen grains

A One

B Two

C Four

D Eight

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353. Which of the following symbols are used for representing chromosome of birds

A ZZ - ZW

B XX - XY

C XO - XX

D ZZ - WW

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354. Andalucian fowl exhibits

A Blending inheritance

B Mosaic inheritance

C Epistasis

D Co-dominance

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355. The two eukaryotic organelles responsible for cytoplasmic inheritance are

A Lysosome and Mitocondria

B Chloroplasts and Lysosomes

C Mitochondria and chloroplasts

D Mitochondria and Golgi-complex

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356. In a Random mating population of 28,800 individuals percentage of dominant homozygous individuals is 49 find out the percentage of heterozygous individual

A 21%

B 42%

C 32%

D 9%

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357. A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of

A Pseudomonas

B Trichoderma

C Xanthomonas

D Bacillus

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358. The theory where ratio between the number of X-chromosomes and number of complete sets of autosomes will determine the sex is known as

A Chromosome theory of sex determination

B Genie balance theory of sex determination

C Harmonal balance theory of sex determination

D Environmental sex determination

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359. Select the incorrect statement from the following

A Baldness is a sex-limited trait

B Linkage is an exception to the principle oindependent assortment in heredity

C Galactosemia is an inborn error of metabolism

D Small population size results in random genetic drift in a population

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360. Among the following characters, which one was not considered by Mendel in his experiments on pea ?

A Trichomes - Glandular or non-glandular

B Seed - Green or Yellow

C Pod - Inflated or Constricted

D Stem - Tall or Dwarf

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351. Albinism is a congenital disorder resulting from thelack of enzyme

352. Dihybrid plants form how many types of pollen grains

353. Which of the following symbols are used for representing chromosome of birds

354. Andalucian fowl exhibits

355. The two eukaryotic organelles responsible for cytoplasmic inheritance are

356. In a Random mating population of 28,800 individuals percentage of dominant homozygous individuals is 49 find out the percentage of heterozygous individual

357. A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of

358. The theory where ratio between the number of X-chromosomes and number of complete sets of autosomes will determine the sex is known as

359. Select the incorrect statement from the following

360. Among the following characters, which one was not considered by Mendel in his experiments on pea ?

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