This quiz works best with JavaScript enabled. Home > Science > Biology > Genetic And Mendel S Law Of Heredity – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Genetic And Mendel S Law Of Heredity Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Alleles A) The allele combination of an organism. B) Different forms of genes. C) Alleles for traits are the same. D) Factors that determine traits. Show Answer Correct Answer: B) Different forms of genes. 2. That genes control heredity through their control on enzymes synthesis and that one gene controls the synthesis of one enzyme ..... the, one gene one enzyme hypothesis ..... was proposed by. A) Beadle and Tatum. B) Darwin. C) Mendel. D) Morgan. Show Answer Correct Answer: A) Beadle and Tatum. 3. Hereditary characters are carried to the next generation by. A) Chromosomes. B) Plastids. C) Mitchondria. D) Ribosomes. Show Answer Correct Answer: A) Chromosomes. 4. Haploid chromosome number is not seen in. A) Primary spermatocytes. B) Spermatids. C) Sperms. D) Spermatids and sperms. Show Answer Correct Answer: A) Primary spermatocytes. 5. Consider the following discoveries in life sciences. 1. Principal 2. Nucleus 3. DNA as the genetic material 4. Light essential for the photosynthesis The correct chronological sequence of these discoveries is. A) 2, 3, 1, 4. B) 1, 2, 4, 3,. C) 4, 2, 1, 3. D) 2, 1, 3, 4. Show Answer Correct Answer: C) 4, 2, 1, 3. 6. Gene, the basic unit of heredity, was first synthesized in the laboratory by. A) Arthur Kornberg. B) Johannson. C) Gregor Johann Mendel. D) Watson and Crick. Show Answer Correct Answer: A) Arthur Kornberg. 7. Mutation may cause. A) Polyploidy. B) Chromosomal aberration. C) Variation. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. The theory of jumping genes was propounded by. A) Gregor Johann Medel. B) Thomas Hunt Morgan. C) Barbara McClintock. D) Watson and Crick. Show Answer Correct Answer: C) Barbara McClintock. 9. During protein synthesis a particular kind of RNA acts as an intermediary between DNA and ribosomes.This is. A) M-RNA. B) R-RNA. C) T-RNA. D) Cytoplasmic RNA. Show Answer Correct Answer: A) M-RNA. 10. The new techniques developed during the last few years have made it possible to produce an intergeneric hybrid between potato and tomato, the pomato through. A) Embryo culture. B) Endosperm culture. C) Genetic engineering. D) Protoplast culture. Show Answer Correct Answer: D) Protoplast culture. 11. Mutation cannot be caused by one of the following. A) X-ray. B) Infrared ray. C) Ultaviolet ray. D) Gamma ray. Show Answer Correct Answer: B) Infrared ray. 12. The molecules responsible for storing the genetic code are. A) DNA. B) RNA. C) Proteins. D) Chromosomes. Show Answer Correct Answer: A) DNA. 13. The sex of a child is determined by the. A) Chromosomes of the father. B) Chromosomes of the mother. C) Rh factor of the parents. D) Blood group of the father. Show Answer Correct Answer: A) Chromosomes of the father. 14. An exception to Mendel, s Laws is. A) Purity of gametes. B) Dominance. C) Independent assortment. D) Linkage. Show Answer Correct Answer: D) Linkage. 15. Who, amongst the following is regarded as the father of genetics? A) Robert Hooke. B) Gregor Johann Mendel. C) Charles Darwin. D) Hugo De Vries. Show Answer Correct Answer: B) Gregor Johann Mendel. 16. A test cross is one which is made to determine the. A) Phenotype. B) Genotype. C) Purity. D) Resistance. Show Answer Correct Answer: B) Genotype. 17. Tijo and Levan found out. A) Mutational changes. B) Sex-linked genes. C) Number of chromosomes in the human cell. D) Chromosomal aberrations. Show Answer Correct Answer: C) Number of chromosomes in the human cell. 18. What is the chromosomes number in a human ovum? A) 24. B) 46. C) 48. D) None of the above. Show Answer Correct Answer: D) None of the above. 19. Organisms which have similar external appearance with reference to a particular character are called. A) Analogous. B) Homologous. C) Phenocopies. D) Phenotypes. Show Answer Correct Answer: D) Phenotypes. 20. Dihybrid cross A) This cross is used when studying one trait. B) This cross is used when studying two traits. C) This cross is used when studying three or more traits. D) When two alleles for a trait are different. Show Answer Correct Answer: B) This cross is used when studying two traits. ← PreviousNext →Related QuizzesScience QuizzesGenetic And Mendel S Law Of Heredity Quiz 1Genetic And Mendel S Law Of Heredity Quiz 3Genetic And Mendel S Law Of Heredity Quiz 4Genetic And Mendel S Law Of Heredity Quiz 5Biological Sciences QuizBiology QuizBotany QuizCell Biology QuizCirculatory System QuizEndocrine Glands QuizHuman Body And Reproduction QuizHuman Physiology Anatomy QuizNervous System QuizPlant Kingdom QuizRespiration QuizScientific Names Of Plants And Animals QuizSkeletal System QuizVirus And Bacteria QuizVitamins Minerals Coenzymes And Deficiency Diseases QuizZoology Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books