HiSET Science: Life Science Practice Test

Question 1

Which organelle is responsible for producing ATP through cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Ribosome

Answer

Golgi apparatus

Question 2

Which process do plants use to convert light energy into chemical energy stored in glucose?

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Fermentation

Answer

Transpiration

Question 3

What is the term for the process by which a cell divides to produce two genetically identical daughter cells?

Accepted Answer

Mitosis

Answer

Meiosis

Answer

Binary fission

Answer

Budding

Question 4

Which type of molecule carries the genetic instructions from the nucleus to the ribosomes?

Accepted Answer

mRNA

Answer

DNA

Answer

tRNA

Answer

rRNA

Question 5

In Mendel's experiments, what term describes a trait that is hidden when a dominant trait is present?

Accepted Answer

Recessive

Answer

Codominant

Answer

Polygenic

Answer

Heterozygous

Question 6

Which level of biological organization is directly above the organ level?

Accepted Answer

Organ system

Answer

Tissue

Answer

Cell

Answer

Organism

Question 7

What is the primary role of decomposers in an ecosystem?

Accepted Answer

Breaking down dead organic matter into nutrients

Answer

Producing energy from sunlight

Answer

Converting nitrogen gas to ammonia

Answer

Consuming living plants

Question 8

Which structure controls what enters and exits a cell, maintaining homeostasis?

Accepted Answer

Cell membrane

Answer

Cell wall

Answer

Nucleus

Answer

Vacuole

Question 9

According to Darwin's theory of natural selection, which individuals in a population are most likely to survive and reproduce?

Accepted Answer

Those with traits best suited to the environment

Answer

The largest individuals

Answer

The oldest individuals

Answer

Those that reproduce the most offspring regardless of survival

Question 10

What type of symbiosis describes a relationship where one organism benefits and the other is neither harmed nor helped?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Competition