MCQs Plant Breeding and Genetics [9] Posted on 2024-05-19Author admin 0 1. Basic (Monoploid) chromosome number of hexaploidy wheat is _______ 42 21 7 14 2. An enzyme excited by a microorganism into the environment is called _______- Endoenzyme Exoenzyme Coenzyme Holoenzyme 3. DNA sequences that move from one location on the genome to another is called ____________ Transposase None of these Jumping genes Retrotransposons 4. Which crop drastically deteriorates upon inbreeding? Brinjal Carrot Okra Broccoli 5. _________ crop plant provides the best documented example of longterm effects of selection Sugarbeet Sugarcane Sweet Sorghum None of these 6. The proportion of homozygosis is maximum in the following forms of inbreeding Self Fertilization Double first cousin Self-pollination Self-compatibility 7. A fruit developed from an inflorescence is known as ______ Composite fruit Simple fruit Aggregate fruit None of these 8. The total length or size of the rice genome (Oryza sativa) is approximately _________ million base pairs (Mb). 2500 430 1700 1200 9. Extra chromosomes in organisms that are not essential for development and may have little to no effect on development of an organisms is called ________ Autosome Accessory chromosome Homologous chromosome Sex Chromosome 10. Wheat varieties, generally grown in Pakistan and India, during rabi season are of _________. None of these Both Spring and Winter types of wheat Spring type of wheat Winter type of wheat Loading … Question 1 of 10