Combined Science Trilogy Biology foundation paper 2

Question 1

What is the function of the cell membrane?

Answer 1

To control the movement of substances in and out of the cell.

Question 2

True or False: Mitosis results in two identical daughter cells.

Answer 2

True

Question 3

Fill in the blank: The process by which plants convert sunlight into chemical energy is called _______.

Answer 3

photosynthesis

Question 4

What organelle is responsible for energy production in the cell?

Answer 4

Mitochondria

Question 5

Multiple Choice: Which of the following is NOT a type of RNA? a) mRNA b) tRNA c) rRNA d) dRNA

Answer 5

d) dRNA

Question 6

What is the basic unit of life?

Answer 6

Cell

Question 7

True or False: DNA is double-stranded.

Answer 7

True

Question 8

What is the role of enzymes in biological reactions?

Answer 8

To speed up the reactions by lowering the activation energy.

Question 9

Fill in the blank: The process of cell division that produces gametes is called _______.

Answer 9

meiosis

Question 10

Multiple Choice: Which part of the plant is primarily responsible for water absorption? a) Leaves b) Roots c) Stems d) Flowers

Answer 10

b) Roots

Question 11

What is the primary function of red blood cells?

Answer 11

To transport oxygen throughout the body.

Question 12

True or False: All living organisms are made up of cells.

Answer 12

True

Question 13

What is the genetic material found in cells?

Answer 13

DNA

Question 14

Fill in the blank: The part of the brain that controls balance and coordination is called the _______.

Answer 14

cerebellum

Question 15

Multiple Choice: Which of the following processes occurs in the mitochondria? a) Photosynthesis b) Respiration c) Fermentation d) Transcription

Answer 15

b) Respiration

Question 16

What is homeostasis?

Answer 16

The maintenance of a stable internal environment in an organism.

Question 17

True or False: Hormones are chemical messengers in the body.

Answer 17

True

Question 18

What is the primary role of chlorophyll in plants?

Answer 18

To absorb light energy for photosynthesis.

Question 19

Fill in the blank: The basic building blocks of proteins are called _______.

Answer 19

amino acids

Question 20

Multiple Choice: Which type of blood vessel carries blood away from the heart? a) Veins b) Capillaries c) Arteries d) None of the above

Answer 20

c) Arteries

Question 21

What is the role of the ribosome in a cell?

Answer 21

To synthesize proteins.

Question 22

True or False: The heart is part of the respiratory system.

Answer 22

False

Question 23

What is a mutation?

Answer 23

A change in the DNA sequence of an organism.

Question 24

Fill in the blank: The human skeleton is made up of _______ bones.

Answer 24

206

Question 25

Multiple Choice: Which of the following is a function of the liver? a) Insulin production b) Bile production c) Oxygen transport d) Nutrient absorption

Answer 25

b) Bile production

Question 26

What is the primary purpose of the immune system?

Answer 26

To protect the body against pathogens.