biology

Question 1

What is the basic unit of life?

Answer 1

Cell

Question 2

True or False: Bacteria are eukaryotic organisms.

Answer 2

False

Question 3

What type of cell is responsible for immune responses?

Answer 3

White blood cell

Question 4

Fill in the blank: Bacteria can reproduce through a process called __________.

Answer 4

Binary fission

Question 5

Which organelle is known as the powerhouse of the cell?

Answer 5

Mitochondria

Question 6

What is the primary function of white blood cells?

Answer 6

To fight infections

Question 7

Multiple choice: Which of the following is a type of white blood cell? A) Neuron B) Erythrocyte C) Lymphocyte D) Osteocyte

Answer 7

C) Lymphocyte

Question 8

True or False: All bacteria are harmful to humans.

Answer 8

False

Question 9

What structure protects the bacterial cell and maintains its shape?

Answer 9

Cell wall

Question 10

Fill in the blank: The __________ is a gel-like substance inside the cell membrane.

Answer 10

Cytoplasm

Question 11

What type of immunity do white blood cells provide?

Answer 11

Adaptive immunity

Question 12

Which component of the blood carries oxygen?

Answer 12

Erythrocytes

Question 13

Multiple choice: Which of the following is NOT a function of white blood cells? A) Phagocytosis B) Antibody production C) Oxygen transport D) Immune response

Answer 13

C) Oxygen transport

Question 14

True or False: Prokaryotic cells lack a nucleus.

Answer 14

True

Question 15

What is the function of ribosomes in a cell?

Answer 15

Protein synthesis

Question 16

Fill in the blank: __________ are single-celled organisms that can be found in various environments.

Answer 16

Bacteria

Question 17

What is the role of T cells in the immune system?

Answer 17

To directly kill infected cells or help other immune cells

Question 18

Multiple choice: Which of the following is a characteristic of bacterial cells? A) Membrane-bound organelles B) Unicellular C) Multicellular D) Nucleus

Answer 18

B) Unicellular

Question 19

True or False: All cells contain DNA.

Answer 19

True

Question 20

What is the main difference between prokaryotic and eukaryotic cells?

Answer 20

Eukaryotic cells have a nucleus; prokaryotic cells do not.

Question 21

Fill in the blank: The __________ is the outer boundary of a cell that regulates what enters and leaves.

Answer 21

Cell membrane

Question 22

What type of white blood cell is primarily involved in allergic reactions?

Answer 22

Basophil

Question 23

Multiple choice: Which of the following is a common shape of bacteria? A) Spiral B) Cubic C) Flat D) Oval

Answer 23

A) Spiral

Question 24

True or False: Bacteria can be found in extreme environments.

Answer 24

True

Question 25

What is the primary component of bacterial cell walls?

Answer 25

Peptidoglycan

Question 26

Fill in the blank: __________ are responsible for producing antibodies in the immune system.

Answer 26

B cells

Question 27

What is the function of phagocytes?

Answer 27

To engulf and digest pathogens

Question 28

Multiple choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Transport C) Photosynthesis D) Communication

Answer 28

C) Photosynthesis

Question 29

True or False: White blood cells can move through blood vessels and tissues.

Answer 29

True

Question 30

What is the role of macrophages in the immune system?

Answer 30

To engulf and digest pathogens and debris

Question 31

Fill in the blank: The __________ is involved in the synthesis of lipids and detoxification of drugs.

Answer 31

Smooth endoplasmic reticulum

Question 32

What type of bacteria are known to require oxygen for survival?

Answer 32

Aerobic bacteria

Question 33

Multiple choice: Which of the following is a function of white blood cells? A) Blood clotting B) Hormone secretion C) Immune defense D) Nutrient transport

Answer 33

C) Immune defense