NEW
Font size
Worksheets7th Grade Semester 1 Review
Total questions: 27
Worksheet time: 16mins
The main function of muscle tissue is
to make oxygen
to release energy
to digest glucose
to make movement
______ is the movement of water though cell membranes
Respiration
osmosis
mitosis
condensation
This picture shows an animal cell. Which statement about the labeled structures is true?
They can be seen without a microscope
they live outside of the cell
They help carry on life activities in the cell
they cause diseases
________ is a group of specialized cells that work together to perform the same function
virus
tissue
organ
nucleus
Molecules flow from an area of high concentration to an area of low concentration across a semi-permeable membrane. This process is known as
Diffusion
Oxidation
Respriation
Reproduction
Plant cells have which of the following structures that animal cells do not
Nucleus- contains DNA
Mitochondria- makes energy
Ribosome- makes protein
Cell wall- gives structural support
The diagram shows changes in a cell that happened under a microscope. The process the scientist witnessed is
cell differentiation
cell division
sexual reproduction
homeostasis
______ is necessary for organisms to grow and reproduce
Mineral digestion
Cell division
Matter synthesis
enzyme activity
Which structure does photosynthesis?
Vacuole
ribosome
mitochondira
chloroplast
Plant cells have two structures different from animal cells. They are
Cell wall and chloroplast
Cell wall and Cell Membrane
Cell membrane and chloroplast
Chloroplast and Mitocondria
Cells make glucose from carbon dioxide, water and sun
Photosynthesis
Cellular Respiration
Digestion
Reproduction
Cells make energy from glucose and oxygen
Photosynthesis
Cellular Respiration
Digestion
Reproduction
______ is a waste of cellular respiration
carbon dioxide
sodium chloride
oxygen
sugar
The lungs, kidneys and skin all remove wastes from the body. This makes them important structures of the _______ system
digestive
respriatory
excretory
circulatory
Which of the following is an example of chemical digestion
teeth chewing food
enzymes breaking down food
food in the intestines
food churning in the stomach
Which of the following is mechanical digestion?
Enzymes digesting fats
Stomach acid breaking down proteins
Teeth chewing
The image shows several human body systems. Which statement best describes how all of them are similar?
All systems provide structure
All systems have specialized cells and tissues
all systems use the same organs
all systems create movement
A rabbit sees a hawk and runs away. What is the response?
A rabbit sees a hawk
A rabbit is present
Running away
A rabbit sees a hawk and runs away. What is the stimuli?
A rabbit sees a hawk
A rabbit is present
Running away
All of the following describe sexual reproduction EXCEPT
the process of meiosis in a dragonfly
fertilization of a robin egg
binary fission in bacteria
the development of an embryo in humans
This picture shows ______ in frogs
adolescence
genetic engineering
budding
metamorphosis
What is a fruit in flowering plants?
Fertilized seeds
Ripened ovary
Dead flowers
unfertilized embryo
