GED Science 3

Question 1

Which type of blood vessel carries oxygenated blood AWAY from the heart to body tissues?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Lymph vessels

Question 2

What is the role of the kidneys in the human body?

Accepted Answer

Filter blood and remove waste as urine

Answer

Produce insulin to regulate blood sugar

Answer

Pump oxygenated blood throughout the body

Answer

Produce digestive enzymes

Question 3

Which process occurs during mitosis that ensures each daughter cell receives a complete set of chromosomes?

Accepted Answer

DNA replication before cell division

Answer

Random chromosome distribution

Answer

Halving of the chromosome number

Answer

Fusion of gametes

Question 4

What is the primary function of red blood cells (erythrocytes)?

Accepted Answer

Transport oxygen from the lungs to body tissues

Answer

Fight infections by producing antibodies

Answer

Help blood clot when a vessel is damaged

Answer

Carry nutrients absorbed from the digestive system

Question 5

Which of the following is an example of a mutualistic relationship between two organisms?

Accepted Answer

Bees pollinating flowers while collecting nectar

Answer

A tapeworm living inside a dog's intestines

Answer

A lion hunting and eating a zebra

Answer

Barnacles attached to a whale's skin

Question 6

A gene has two forms: a dominant allele (T) for tall plants and a recessive allele (t) for short plants. What is the phenotype of a plant with genotype Tt?

Accepted Answer

Tall

Answer

Short

Answer

Medium height

Answer

Cannot be determined