Question 1

Which of the following is true about DNA?

Accepted Answer

It contains genetic information.

Answer

It is made up of proteins.

Answer

It controls the body's functions.

Answer

It is only found in animals.

Question 2

What is the role of genes in heredity?

Accepted Answer

They carry the instructions for traits from parents to offspring.

Answer

They determine the number of chromosomes in an organism.

Answer

They produce proteins that control body functions.

Answer

They are the building blocks of DNA.

Question 3

What are chromosomes?

Accepted Answer

They are thread-like structures that carry genes.

Answer

They are the building blocks of DNA.

Answer

They determine an organism's traits.

Answer

They are proteins that control cell division.

Question 4

What is the function of genes?

Accepted Answer

To control the production of proteins in an organism.

Answer

To regulate cell division.

Answer

To determine the size of chromosomes.

Answer

To store genetic information in DNA.

Question 5

What is the function of DNA in heredity?

Accepted Answer

It carries the genetic information from parents to offspring.

Answer

It produces genes that regulate traits.

Answer

It controls the body's functions.

Answer

It determines the number of chromosomes in an organism.

Question 6

What are the building blocks of DNA?

Accepted Answer

Nucleotides

Answer

Genes

Answer

Chromosomes

Answer

Proteins

Question 7

Where is DNA found in a cell?

Accepted Answer

In the nucleus

Answer

In the cell membrane

Answer

In the cytoplasm

Answer

In the mitochondria

Question 8

What is the purpose of heredity?

Accepted Answer

To pass on genetic traits from parents to offspring.

Answer

To determine the structure of DNA.

Answer

To produce genes that regulate traits.

Answer

To control the body's functions.

Question 9

What is the role of chromosomes in heredity?

Accepted Answer

They carry the genes that determine traits from parents to offspring.

Answer

They are responsible for genetic mutations.

Answer

They produce proteins that control body functions.

Answer

They determine the shape of DNA molecules.

Question 10

How many chromosomes do humans have?

Accepted Answer

Humans have 46 chromosomes.

Answer

Humans have 64 chromosomes.

Answer

Humans have 38 chromosomes.

Answer

Humans have 23 chromosomes.

Question 11

What is the function of the sex chromosomes?

Accepted Answer

The sex chromosomes determine the gender of an individual and carry genes related to sexual characteristics.

Answer

The sex chromosomes regulate blood circulation in the body.

Answer

The sex chromosomes control the production of enzymes in cells.

Answer

The sex chromosomes govern the growth and development of muscles.

Question 12

How many pairs of chromosomes are found in a human body cell?

Accepted Answer

There are 23 pairs of chromosomes in a human body cell.

Answer

There are 46 pairs of chromosomes in a human body cell.

Answer

There are 12 pairs of chromosomes in a human body cell.

Answer

There are 10 pairs of chromosomes in a human body cell.

Question 13

What is the purpose of chromosomes in the process of reproduction?

Accepted Answer

Chromosomes help in passing on genetic traits from parents to offspring.

Answer

Chromosomes help in maintaining cell structure.

Answer

Chromosomes help in producing energy for the cell.

Answer

Chromosomes help in regulating body temperature.

Question 14

What is the role of DNA in inheritance?

Accepted Answer

DNA carries genetic information from parents to offspring.

Answer

DNA helps in digestion and nutrient absorption.

Answer

DNA regulates the body's metabolism.

Answer

DNA determines the color of an individual's eyes.

Question 15

What are dominant and recessive genes?

Accepted Answer

variations of genes that determine the expression of traits

Answer

enzymes that break down proteins

Answer

types of cells found in the human body

Answer

organelles that store genetic information

Question 16

What is genetic variation?

Accepted Answer

the diversity of genetic material within a population

Answer

the formation of new genes

Answer

an inherited genetic disorder

Answer

the process of DNA replication

Question 17

What is a genetic trait?

Accepted Answer

a specific characteristic or feature determined by genes

Answer

a hormone produced by genes

Answer

a type of cell division

Answer

a process of DNA replication

Question 18

How are genes passed from parents to children?

Accepted Answer

Through reproduction.

Answer

Through exercising regularly.

Answer

Through eating certain foods.

Answer

Through getting enough sleep.

Answer

Through magic.

Question 19

What is the human genome?

Accepted Answer

The complete set of DNA in a human body.

Answer

The system of blood vessels in the human body.

Answer

The fluid that surrounds and protects the brain and spinal cord.

Answer

The major organ responsible for digestion.

Answer

The largest bone in the human body.

Question 20

What is genetic variation?

Accepted Answer

Differences in the genetic makeup between individuals of the same species.

Answer

The process of creating new genes in a laboratory.

Answer

The occurrence of mutations in an individual's DNA.

Answer

The occurrence of identical genes in siblings.

Answer

The process of passing genes from parents to children.

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