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Principles of Inheritance and Variations (Class 12th – Biology) Revision Test | MCQs For NEET

Diksha Bhatla May 8, 20225k views 25 Questions 2 Attempts
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Q1. A recessive allele is expressed in
Q2. The characters which appear in the first filial generation are called
Q3. What will be the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus ?
Q4. In a monohybrid cross between two heterozygous individuals, percentage of pure homozygous individuals obtained in F1 generation will be
Q5. What is the probability of production of dwarf offsprings in a cross betweeen two heterozygous tall pea plants ?
Q6. Which of the following crosses will give tall and dwarf pea plants in same proportions ?
Q7. Which of the following is incorrect regarding ZW – ZZ type of sex determination ?
Q8. A couple has six daughters. What is the possibility of their having a girl next time ?
Q9. Number of autosomes present in liver cells of a human female is
Q10. Haplodiploidy is found in
Q11. Rate of mutation is affected by
Q12. Two or more independent genes present on different chromosomes which determine nearly same phenotype are called
Q13. Select the incorrect statement regarding pedigree analysis
Q14. To determine the genotype of a tall plant of F2 generation, Mendel crossed this plant with a dwarf plant. This cross represents a
Q15. Mendal formulated the law of purity of gametes on the basis of
Q16. The inheritance of flower colour in Antirrhinum (dog flower) is an example of
Q17. Phenotypic and genotypic ratio is similar in case of
Q18. What can be the blood group of offspring when both parents have AB blood group ?
Q19. Inheritance of roan coat in cattle is an example of
Q20. How many types of gametes can be produced by a diploid organism who is heterozygous for 4 loci ?
Q21. Law of independent assortment can be explained with the help of
Q22. Which three scientists independently rediscovered Mendel’s work ?
Q23. Chromosomal theory of inheritance was given by
Q24. Experimental verification of ‘chromosomal theory of inheritance’ was done by
Q25. Genes located very close to one another on same chromosome tend to be transmitted together and are called as

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This practice test includes 25 multiple choice Questions from class 12th chapter – Principles of inheritance and variation.

Written & Verified by Diksha Bhatla

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Diksha Bhatla is a Pharmacy graduate and a passionate academic content creator currently pursuing higher studies in Pharmacy. She contributes to SoloTutes by creating educational content, practice tests, and study resources for students preparing for NEET and Pharmacy examinations. With a strong understanding of **Biology, Chemistry, and Pharmacy**, Diksha focuses on developing clear, exam-oriented content that helps students strengthen their concepts and improve their preparation. At SoloTutes, she writes educational articles and develops practice questions and tests designed to support students in their learning and competitive exam preparation.

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