Master NY Regents Biology: Timed Practice Test

Question 1

Which process allows plants to store energy from sunlight in chemical bonds?

Accepted Answer

Photosynthesis

Question 2

Which organelle is responsible for protein synthesis?

Accepted Answer

Ribosome

Question 3

A mutation in a gene is best described as

Accepted Answer

a change in DNA sequence

Question 4

Which structure regulates what enters and leaves a cell?

Accepted Answer

Cell membrane

Question 5

Which process results in the production of gametes?

Accepted Answer

Meiosis

Question 6

Which molecule carries genetic information?

Accepted Answer

DNA

Question 7

Which process maintains internal balance in organisms?

Accepted Answer

Homeostasis

Question 8

Which type of reproduction produces genetically identical offspring?

Accepted Answer

Asexual reproduction

Question 9

Which system is responsible for removing wastes from the body?

Accepted Answer

Excretory

Question 10

Which process involves the movement of molecules from high to low concentration?

Accepted Answer

Diffusion

Question 11

Which structure contains hereditary material in eukaryotic cells?

Accepted Answer

Nucleus

Question 12

What is the primary function of enzymes?

Accepted Answer

Speed up chemical reactions

Question 13

Which process results in variation among offspring?

Accepted Answer

Sexual reproduction

Question 14

Which structure is found in plant cells but not animal cells?

Accepted Answer

Cell wall

Question 15

Which gas is released during photosynthesis?

Accepted Answer

Oxygen

Question 16

Which level of organization is made up of similar cells working together?

Accepted Answer

Tissue

Question 17

Which factor is most likely to cause evolution over time?

Accepted Answer

Mutation

Question 18

Which organelle releases energy from food?

Accepted Answer

Mitochondria

Question 19

Which statement best describes natural selection?

Accepted Answer

Organisms with favorable traits survive and reproduce

Question 20

Which molecule is the main source of energy for cells?

Accepted Answer

Glucose