Q6. Which process occurs during meiosis and increases genetic variation?
- A. Crossing over
- B. Mitosis
- C. Replication
- D. Transcription
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This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Principles of Inheritance and Variation. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.
Key concepts covered in this specific test include Function, Genetics, Following, Incorrect, Statement, and Determination.
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What is the function of a Punnett square in genetics?
To analyze DNA sequences
To predict the probability of traits in offspring
To determine chromosome number
To identify mutations in genes
Which of the following is an incorrect statement about sex determination?
Humans follow the XY sex determination system.
Birds follow the ZW sex determination system.
Insects such as grasshoppers use the XO system.
Mammals use the haplodiploidy system for sex determination.
Which type of cross did Mendel perform to study the inheritance of two different traits?
Monohybrid cross
Test cross
Dihybrid cross
Back cross
Which of the following statements about Mendel's experiments is correct?
Mendel used Drosophila melanogaster for his experiments.
Mendel formulated the Law of Evolution.
Mendel's work was initially ignored by the scientific community.
Mendel studied inheritance only in animals.
Which of the following is an incorrect statement about Mendelian inheritance?
A monohybrid cross follows a 3:1 phenotypic ratio in the F2 generation.
Mendel’s laws are applicable only to plants.
The Law of Segregation explains how alleles separate during gamete formation.
Dihybrid crosses result in a 9:3:3:1 phenotypic ratio.
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