Which type of molecule forms structures in cells and stores energy? (5 points) Lipid
Nucleic acid
Protein
Water
2.
(04.01 LC)

What is a group of specialized cells called when they work together to perform a specific function? (5 points)
Atom
Organ
Organ system
Tissue
3.
(04.01 LC)

Which of the following is the highest level in the organization of living things? (5 points)
Organ system
Organism
Tissue
Compound
4.
(04.02 LC)

Based on the cell theory, which of the following is true? (5 points)
Large organisms have fewer cells than small organisms.
Small organisms have smaller cells than large organisms.
All living things are made of more than one cell.
Cells vary in size depending on their type.
5.
(04.02 LC)

Anton Leeuwenhoek devised a primitive microscope to observe a sample of his tooth scrapings. How did this help contribute to cell theory? (5 points)
It helped to show that cells cannot function independently.
It helped to show that some bacteria can swim like fish.
It helped to show that some bacteria are just one cell.
It helped to show that cells can be created from thin air.
6.
(04.02 MC)

A scientist eliminated all living organisms in a jar of soup by heating it. He then left the soup jar uncovered for some days. After a few days, he saw molds in the soup. What most likely formed the mold? (5 points)
Mold spores present around the jar
Nonliving matter in the environment
Water molecules in the soup
Glass particles in the jar
7.
(04.02 LC)

Which of these is likely to be true about a scientific theory? (5 points)
It can never be changed or replaced.
It is supported by exactly one true hypothesis.
It is accepted by a large scientific community.
It is a random guess about how something happened.
8.
(04.02 MC)

Read the two statements given below.

Statement 1: An alert neighbor called in the paramedics
Statement 2: A stray cat entered using the pet entrance and soiled the rug

Which of the following best relates the statement to the correct type of theory? (5 points)
Both statements are about scientific theories.
Both statements are about everyday life theories.
Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory.
Statement 1 is about a scientific theory, and statement 2 is about an everyday life theory.
9.
(04.03 LC)

The diagram shows the structure of an animal cell. (5 points)

The image of an animal cell is shown with some organelles labeled numerically from 1 to 6. The outer double layer boundary of the cell is labeled 1. A stacked disc like structure is labeled 2. A broad rod shaped structure with an irregular shape inside it is labeled 3. The entire plain section that forms the background of the cell and is within the outer boundary is labeled 4. A small circular shape within the large circular shape is labeled 5. The large central circular shape is labeled 6.

Which number label represents the mitochondria?
1
2
3
6
10.
(04.03 LC)

Which organelle captures sunlight and helps in food synthesis? (5 points)
Chloroplast
Mitochondrion
Nucleus
Ribosome
11.
(04.03 MC)

Plant cells and animal cells were observed under a microscope. The characteristics of two cells are listed below.

Cell X: Has chloroplast
Cell Y: Does not have a cell wall

Which statement about the two cells is correct? (5 points)
Cell X has a cell membrane.
Cell X has a small vacuole.
Cell Y has a large vacuole.
Cell Y has chloroplast.
12.
(04.03 MC)

What will most likely happen in the absence of a cell membrane? (5 points)
Photosynthesis will not take place.
The cell will not store food, water, nutrients, and waste.
Energy will not be released during cellular respiration.
Substances will pass in and out of the cell in an uncontrolled manner.
13.
(04.04 LC)

Which of the following organisms is a prokaryote? (5 points)
Cyanobacteria
Dinosaur
Fungus
Insect
14.
(04.04 LC)

Which of the following is a characteristic of a prokaryotic cell? (5 points)
It does not have a nucleus.
It has membrane-bound organelles.
It is larger in size than a eukaryotic cell.
It is not present in unicellular organisms.
15.
(04.04 MC)

Which of the following is true for a cell that has a flagellum? (5 points)
It cannot be a part of a multicellular organism.
It cannot be a part of the oldest known fossil.
It cannot have a cell membrane.
It cannot have ribosomes.
16.
(04.04 LC)

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? (5 points)
Active
Diffusion
Isotonic
Osmosis
17.
(04.04 MC)

The diagram below shows a cell placed in a solution. (5 points)

A cell is shown placed inside a beaker. It is labeled Cell. The solution inside the beaker is labeled 2% salt solution and the solution inside the cell is labeled 4% salt solution.

What will most likely happen to the cell?
It will expand as water moves out of it.
It will shrink as water moves out of it.
It will expand as water moves into it.
It will shrink as water moves into it.