B1 cell structure and transport

Question 1

What is the basic unit of life?

Answer 1

The cell

Question 2

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

Answer 2

True

Question 3

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

Answer 3

photosynthesis

Question 4

What are the two main types of cells?

Answer 4

Prokaryotic and Eukaryotic

Question 5

Which organelle is known as the powerhouse of the cell?

Answer 5

Mitochondria

Question 6

Multiple Choice: Which of the following structures is found in plant cells but not in animal cells? A) Cell Membrane B) Chloroplast C) Nucleus D) Ribosome

Answer 6

B) Chloroplast

Question 7

What is the function of ribosomes?

Answer 7

Protein synthesis

Question 8

True or False: DNA is located in the nucleus of eukaryotic cells.

Answer 8

True

Question 9

Fill in the blank: The semi-permeable membrane surrounding a cell is called the _______.

Answer 9

cell membrane

Question 10

What is the primary function of the cell wall?

Answer 10

To provide structure and protection

Question 11

Multiple Choice: Which process involves the movement of water across a semi-permeable membrane? A) Diffusion B) Osmosis C) Active Transport D) Endocytosis

Answer 11

B) Osmosis

Question 12

What is the role of enzymes in biological reactions?

Answer 12

To speed up the reactions

Question 13

True or False: Enzymes are consumed in the reactions they catalyze.

Answer 13

False

Question 14

What are the building blocks of proteins?

Answer 14

Amino acids

Question 15

Fill in the blank: The genetic material of an organism is composed of _______.

Answer 15

DNA

Question 16

What is the process of cell division called?

Answer 16

Mitosis

Question 17

Multiple Choice: Which phase of mitosis involves the alignment of chromosomes along the cell’s equatorial plane? A) Prophase B) Metaphase C) Anaphase D) Telophase

Answer 17

B) Metaphase

Question 18

True or False: Photosynthesis occurs in the mitochondria.

Answer 18

False

Question 19

What is the primary pigment involved in photosynthesis?

Answer 19

Chlorophyll

Question 20

Fill in the blank: Organisms that produce their own food are called _______.

Answer 20

autotrophs

Question 21

What is the main product of cellular respiration?

Answer 21

ATP (adenosine triphosphate)

Question 22

Multiple Choice: Which of the following is a characteristic of prokaryotic cells? A) Nucleus B) Membrane-bound organelles C) Circular DNA D) Both A and B

Answer 22

C) Circular DNA

Question 23

What type of bond holds the two strands of DNA together?

Answer 23

Hydrogen bonds

Question 24

True or False: All living organisms require oxygen to survive.

Answer 24

False

Question 25

What is the function of the Golgi apparatus?

Answer 25

To modify, sort, and package proteins and lipids

Question 26

Fill in the blank: The process by which cells take in materials is called _______.

Answer 26

endocytosis

Question 27

Definition of Osmosis

Answer 27

A process by which molecules of a low concentration to an area of high concentration through a semi-permeable membrane

Question 28

Definition of Diffusion

Answer 28

the net movement of particles from an area of high concentration to an area of low concentration

Question 29

definition of active transport

Answer 29

the movement of dissolved molecules into or out of a cell membrane, from a region of lower concentration to a region of high concentration

Question 30

Diffusion Pathways

Answer 30

The distance of which a substance must diffuse.

Question 31

Exchange Surface

Answer 31

A place where exchange of substances take place

Question 32

What does multicellular mean?

Answer 32

This describes an organism made of lots of cells(plants or animal cells)

Question 33

specialised cells

Answer 33

almost all cells in multicellular organisms have a particular job or function

Question 34

Tissue

Answer 34

a group of cells with similar structures and functions

Question 35

Organ

Answer 35

an organ is a collection of tissues performing a special function

Question 36

organ system

Answer 36

organs don't operate alone; they work together to form organ system

Question 37

Organisms

Answer 37

An organ has many organ systems ; all contributing to its survival

Question 38

Rate of diffusion is affected by?

Answer 38

1)how steep the concentration gradient 2)Temperature 3)The surface area