WorksheetsCells and Cell Reproduction
Total questions: 38
Worksheet time: 38mins
A student viewing a cell with a microscope observes a cell wall, a cell membrane, and a nucleus. The presence of these structures indicates that the student is looking at a cell from a
rabbit
carrot
worm
fly
What do all organisms need to survive?
energy
blood
carbon dioxide
soil
What is the name of the process represented in this diagram that produces the oxygen?
photosynthesis
metamorphosis
respiration
fertilization
In which process is oxygen used to release the energy stored in food?
photosynthesis
respiration
digestion
reproduction
To provide energy for the work that cells do, all cells need
chloroplasts
nutrients
atmospheric nitrogen
carbon dioxide
Which statement best explains the relationships shown?
Water changes over time to a nonrenewable resource.
Living things exchange materials with their environment.
Minerals recycle the dead materials in the environment.
Living things produce other living things.
Which sequence lists the levels of organization in the human body from simplest to most complex?
organ system → tissue → cell → organ
tissue → cell → organ → organ system
organ → organ system → tissue → cell
cell → tissue → organ → organ system
Which statement about the labeled structures is correct?
They normally can be seen without magnification.
They can survive outside the cell.
They help carry on life activities within the cell.
They cause disease within the cell.
The structures found in a living cell can be compared to the parts of a factory that produces cars. Which part of the factory is most similar to the nucleus of a living cell?
a conveyor belt that transports materials
a storage bin that holds the pieces needed to assemble a car
the computer room that controls the assembly process
the generator that provides energy for the factory
What is the outermost structure in a plant cell?
cell membrane
cytoplasm
cell wall
chloroplast
Which structure’s main function is to produce food (sugar) in a plant?
flower
leaf
root
seed
Which life process is shown?
reproduction
digestion
respiration
locomotion
Which activity occurs at X?
Plants are eaten by animals for food.
Carbon dioxide and water are used to make sugar.
Plants release water into the soil.
Animals breathe out carbon dioxide.
A single human body cell typically contains thousands of
genes
nuclei
chloroplasts
bacteria
Letter A represents a part of each cell. Which part of the cell is labeled A in both diagrams?
cell wall
chromosome
cytoplasm
nucleus
Which type of cell uses energy to carry out life processes?
plant cell, only
animal cell, only
both a plant cell and an animal cell
neither a plant cell nor an animal cell
Which substance in green plants needs to absorb sunlight during photosynthesis?
chlorophyll
cytoplasm
oxygen
water
Which cell structure do nutrients pass through to enter a cell?
cell membrane
chloroplast
cytoplasm
nucleus
Which conclusion can be made from these diagrams?
Plant and animal cells interact to make new organisms.
Plant and animal cells are similar in the way they grow and divide.
Animal cells require oxygen to release the energy stored in food while plant cells do not.
Nerve cells are present in plant and animal cells.
In a one-celled organism, cell division is responsible for
growth and maintenance
sexual reproduction
asexual reproduction
production of sex cells
The vast variety of different traits found in humans results from
intensive training and education
sexual reproduction and mutations
exercise and conditioning
birth defects and recessive genes
How many cells should exist in the fourth generation?
10
8
6
4
Which example would result in new cells that are most different from the parent cells?
yeast cells splitting into new cells
bacteria cells dividing into new cells
skin cells dividing to produce more skin cells
sperm and egg cells uniting to produce fertilized egg cells
Which bar graph best represents the number of chromosomes contained in the sperm and egg of a human before they united to make the fertilized egg?
Each body cell of a goldfish contains 94 chromosomes. How many chromosomes are contained in a goldfish sex cell?
23
47
94
188
In humans, a trait can be determined by one pair or many pairs of
genes
microbes
cells
organs
If the organisms continue to reproduce asexually at this same rate, how many organisms will there be after 30 hours?
6
7
8
16
What percentage of the offspring’s genetic information is the same as the genetic information of the parent?
25%
50%
75%
100%
Cancer is best described as
a type of genetic engineering
the merging of sex cells
abnormal cell division
tissue that stops growing
Which sequence lists the hereditary material found inside cells from the smallest unit to the largest unit?
chromosome → gene → nucleus
chromosome → nucleus → gene
gene → nucleus → chromosome
gene → chromosome → nucleus
Why is an organism that reproduces asexually genetically identical to its parent?
All of the offspring’s genes came from the parent.
All of the offspring’s genes mutated to look like the parent’s genes.
The offspring inherited only half of the parent’s genes.
The offspring inherited only the parent’s dominant genes.
Which process occurs in all of these cells?
metamorphosis
locomotion
reproduction
photosynthesis
Compared to the amount of hereditary information in a human body cell, how much hereditary information is contained in a human sex cell?
one-quarter the amount
one-half the amount
the same amount
twice the amount
In animal skin tissue, cell division is responsible for
growth and repair
sexual reproduction
obtaining energy
production of sex cells
What are genes composed of?
offspring
DNA
cells
traits
A change in an animal’s DNA, leading to a variation in a species, is called
a mutation
an infection
selective breeding
sexual reproduction
Which process occurs during the growth and development of a fertilized human egg?
cell division
natural selection
germination
evolution
A plant produces tiny plants around the edges of its leaves. When these tiny plants fall to the ground, they take root and become new plants. This process is an example of
sexual reproduction
asexual reproduction
evolution
extinction
