WorksheetsKeystone biology Module A
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Which process involves the movement of molecules from an area of high concentration to an area of low concentration without using energy?
a)
a. Osmosis
b)
b. Active transport
c)
c. Passive transport
d)
d. Endocytosis
2.
What is the process by which living organisms maintain a stable internal environment?
a)
a. Photosynthesis
b)
b. Homeostasis
c)
c. Fermentation
d)
d. Aerobic respiration
3.
The smallest unit of life is the:
a)
a. Organism
b)
b. Cell
c)
c. Tissue
d)
d. Organ
4.
What organelle is responsible for producing energy (ATP) in a cell?
a)
a. Ribosome
b)
b. Mitochondrion
c)
c. Golgi apparatus
d)
d. Endoplasmic reticulum
5.
What is the primary function of the cell membrane?
a)
a. Regulate the passage of substances into and out of the cell
b)
b. Store genetic information
c)
c. Produce proteins
d)
d. Break down cellular waste
6.
Which of the following is TRUE about enzymes?
a)
They increase the activation energy of a reaction
b)
b. They are consumed in chemical reactions
c)
c. They are have an active site that has a specific shape for a specific substrate.
d)
d. They slow down metabolic processes
7.
What is the main function of chloroplasts in plant cells?
a)
a. Protein synthesis
b)
b. Energy production
c)
c. Nutrient storage
d)
d. Photosynthesis
8.
Which organelle is responsible for making proteins in the cell?
a)
Lysosome
b)
b. Ribosome
c)
c. Nucleus
d)
d. Cytoskeleton
9.
Which type of transport requires energy input from the cell?
a)
a. Passive transport
b)
b. Osmosis
c)
c. Active transport
d)
d. Facilitated diffusion
10.
The process of converting glucose into ATP in the presence of oxygen is known as:
a)
a. Fermentation
b)
b. Anaerobic respiration
c)
c. Photosynthesis
d)
d. Cellular respiration
11.
The process by which water moves across a cell membrane from an area of high water concentration to an area of low water concentration is called:
a)
a. Active transport
b)
b. Diffusion
c)
c. Osmosis
d)
d. Endocytosis
12.
Which is a characteristic of prokaryotic cells?
a)
a. Have a nucleus
b)
b. Complex internal membrane system
c)
c. No nucleus
d)
d. Found in both plants and animal cells
13.
Why is caron able to make large biomolecules like lipids and proteins?
a)
It can create 4 bonds
b)
It makes water
c)
It is part of the atmosphere
d)
Because of the solar eclipse
14.
What type of macromolecule is DNA?
a)
a. Protein
b)
b. Carbohydrate
c)
c. Lipid
d)
d. Nucleic acid
15.
Which of the following is NOT a property of water?
a)
a. Cohesion
b)
b. Adhesion
c)
c. High heat capacity
d)
d. Opaque
16.
Which property of water allows insects to walk on its surface?
a)
a. Cohesion
b)
b. Adhesion
c)
c. High heat capacity
d)
d. Solvent properties
17.
Which of the following is NOT a form of passive transport in cells?
a)
a. Diffusion
b)
b. Osmosis
c)
c. Endocytosis
d)
d. Facilitated diffusion
18.
What is the role of carrier proteins in facilitated diffusion?
a)
a. To help transport molecules across the membrane
b)
b. To provide structural support to the cell
c)
c. To synthesize ATP for cellular processes
d)
d. To regulate the cell cycle
19.
Which of the following is an example of active transport?
a)
a. Facilitated diffusion of glucose
b)
b. Osmosis of water
c)
c. Sodium-potassium pump
d)
d. Diffusion of oxygen
20.
What process do plants use to convert light energy into chemical energy stored in glucose?
a)
a. Photosynthesis
b)
b. Cellular respiration
c)
c. Fermentation
d)
d. Osmosis
21.
How do plant cells maintain their structure and rigidity?
a)
a. Through the large central vacuole
b)
b. Through the cell membrane
c)
c. Through the cell wall
d)
d. Through the endoplasmic reticulum
22.
The process by which cells engulf ( bring in) large particles by wrapping extensions of the cell membrane around them and creating a vessicle?
a)
a. Phagocytosis
b)
b. Pinocytosis
c)
c. Exocytosis
d)
d. Endocytosis
23.
What type of molecule has a partial positive charge on one end and a partial negative charge on the other end?
a)
a. Nonpolar molecule
b)
b. Polar molecule
c)
c. Ionic molecule
d)
d. Covalent molecule
24.
Proteins, nucleic acids, and carbohydrates are examples of:
a)
a. Monosaccharides
b)
b. Biomacromolecules
c)
c. Lipids
d)
d. Vitamins
25.
In which solution would a red blood cell placed shrink due to water loss?
a)
a. Hypotonic
b)
b. Hypertonic
c)
c. Isotonic
d)
d. Osmotic
26.
Which solution has an equal concentration of solutes compared to the cell placed in it and the cell stays a normal size?
a)
a. Hypotonic
b)
b. Hypertonic
c)
c. Isotonic
d)
d. Osmotic
27.
What is the general term for the process that links or joins monomers together by removing water?
a)
a. Dehydration synthesis
b)
b. Hydrolysis
c)
c. Denaturation
d)
d. Polymerization
28.
What type of bond holds together the atoms within a water molecule and gives water its properties?
a)
a. Hydrogen bond
b)
b. Ionic bond
c)
c. Covalent bond
d)
d. Metallic bond
29.
In which type of solution would a red blood cell placed swell and potentially burst?
a)
a. Hypotonic
b)
b. Hypertonic
c)
c. Isotonic
d)
d. Osmotic
30.
What is the general term for the process that breaks monomers apart by adding water?
a)
a. Dehydration synthesis
b)
b. Hydrolysis
c)
c. Denaturation
d)
d. Polymerization
100 %
