3,820 Questions

Science Questions

All Science MCQs for CTEVT entrance exam.

Showing 20 of 3820 questionsPage 69 of 191
ScienceMedium
Biology
Genetics

Which nitrogenous bases are purines?

View Question
ScienceMedium
Biology
Genetics

Variation that is sudden, random, and heritable is called:

View Question
ScienceMedium
Biology
Genetics

The sex of a child is determined by which parent?

View Question
ScienceMedium
Biology
Genetics

What is the result of a cross between a homozygous tall plant and a heterozygous tall plant?

View Question
ScienceMedium
Biology
Genetics

A sudden change in the structure of a chromosome or gene is called:

View Question
ScienceMedium
Biology
Genetics

Which of the following describes the genotype $Tt$?

View Question
ScienceMedium
Biology
Genetics

The point where two sister chromatids are joined together is the:

View Question
ScienceMedium
Biology
Genetics

In a human karyotype, how many pairs of autosomes are there?

View Question
ScienceMedium
Biology
Genetics

What would be the phenotypic ratio in the F1 generation of a cross between $TT$ and $tt$?

View Question
ScienceMedium
Biology
Genetics

If a man with color blindness marries a woman with normal vision (non-carrier), what is the chance their son will be color blind?

View Question
ScienceMedium
Biology
Genetics

How many total alleles for a single gene does an individual typically have in their somatic cells?

View Question
ScienceMedium
Biology
Genetics

The law which states that alleles for different traits are distributed to gametes independently is:

View Question
ScienceMedium
Biology
Genetics

Which of these blood groups is an example of codominance?

View Question
ScienceMedium
Biology
Genetics

Which scientist coined the term 'Gene'?

View Question
ScienceMedium
Biology
Genetics

What is the specific location of a gene on a chromosome called?

View Question
ScienceMedium
Biology
Genetics

A cross between an F1 individual and one of its parents is called a:

View Question
ScienceMedium
Biology
Genetics

Who is considered the father of modern genetics?

View Question
ScienceMedium
Biology
Genetics

During which phase of the cell cycle does DNA replication occur?

View Question
ScienceMedium
Biology
Genetics

What kind of bonds hold the nitrogenous bases together in the center of the DNA molecule?

View Question
ScienceMedium
Biology
Genetics

The 1:2:1 phenotypic ratio is characteristic of which pattern of inheritance in the F2 generation?

View Question