Biology Final Exam - Sem 1 - Grade 7

Phloem

________ transports nutrients made in leaf cells to all parts of the plant.

Chloroplasts

________ are green because they contain a green pigment called chlorophyll.

lysosome attaches

A(n) ________ to the vacuole and releases the digestive enzymes inside.

sexual reproduction

Many multicellular organisms reproduce through ________, during which a male sex cell fertilizes a female sex cell.

ribosome

The ________ is the organelle that makes proteins by putting together chains of amino acids using instructions encoded in the cells DNA.

Lysosomes

________ contain digestive enzymes, which break down worn- out or damaged organelles, waste materials, and foreign invaders in the cell.

Oxygen

________ enters the bloodstream and is carried to the cells of the body.

Mitochondria

________ have their own DNA and they have two membranes.

Photosynthesis

________ is the process by which plants use sunlight, carbon dioxide, and water to make sugar and oxygen.

cytoplasm

The ________ is the region between the cell membrane and the nucleus that includes fluid and all of the organelles.

cellular respiration

In ________, cells use oxygen to release energy stored in food.

Cells

________ break down the sugar glucose to release the energy stored in the sugar.

Stems

________ and roots are organs that function to transport and store water and nutrients in the plant.

Deoxyribonucleic acid

________ (DNA) is stored in the nucleus.

Plants

________ and some protists can make their own food using photosynthesis.

Proteins

________ control most chemical reactions of cells and provide structural support for cells and tissues.

Chlorophyll

________ absorbs the energy in sunlight.

Xylem

________ and phloem are tissues that make up the vascular system.

vacuole

The ________ is a fluid- filled vesicle found in the cells of most animals, plants and fungi.

Complex organisms

________ are made up of many systems.

DNA

________ is genetic material that contains information needed for cell processes.

endoplasmic reticulum

The ________ is a system of membranes near the nucleus.

cytoskeleton

The ________ is a network of protein filaments that gives shape and support to cells and is also involved in cell division and movement.

eukaryotes

In ________, some ribosomes are free, others are attached to the endoplasmic reticulum.

Golgi complex

The ________ is a system of flattened membrane sacs.

Plant cells

________ also have a large central vacuole that stores water.

small intestine

In the ________, nutrients are absorbed through thousands of finger- like projections in the wall of the ________, called villi, and then into the blood vessels of the circulatory system.

amino acid

A(n) ________ is any of the about 20 different carbon- based molecules that are used to make proteins.

Lipids

________ and proteins from the ER are delivered to the Golgi complex where they may be modified to do different jobs.

digestive system

Skin, lungs, the ________ and the kidneys all have processes for removing waste products from the body.

Folds

________ increase the surface area inside the mitochondria where cellular respiration occurs.

nervous

There are four types of animal tissue: ________, epithelial, connective and muscle.

smooth ER

The ________ makes lipids and breaks down toxic materials that could damage the cell.

nuclear membrane

The ________ is a double layer where each layer is similar in structure to the cell membrane.

issue contracts

When the muscle ________, food and stomach acids are mixed, and the food breaks down.

membrane

The outer ________ is smooth, the inner ________ has many folds.

membrane bound

The ________ organelle that packages and distributes materials such as proteins is called the Golgi Complex.

Prokaryotes

________ are made up of a single prokaryotic cell.

Ground tissue

________ provides internal support and storage and absorbs light energy to make food in photosynthesis.

Epithelial tissue

________ is protective and forms boundaries, such as skin.

Muscle tissue

________ helps produce movement.

Chloroplasts

________ are the organelles where photosynthesis occurs.

Ribosomes

________ on the rough ER make many of the cells proteins.

Cells

________ use ATP to carry out ________ processes.

Cellular respiration

________ occurs in an organelle called the mitochondria.

vacuole

A(n) ________ may contain enzymes, nutrients, water, or wastes.

nuclear membrane

The instructions for how to make proteins are stored in the DNA and sent out of the nucleus through pores in the ________.

Ribosomes

________ are not enclosed in a membrane.

Cells

________ get energy by breaking down food using a process called cellular respiration.

There are two types of organisms

prokaryotes and eukaryotes

There are four types of animal tissue

nervous, epithelial, connective and muscle

There are three types of plant tissue

transport, protective and ground

Phloem

________ transports nutrients made in leaf cells to all parts of the plant.

Chloroplasts

________ are green because they contain a green pigment called chlorophyll.

lysosome attaches

A(n) ________ to the vacuole and releases the digestive enzymes inside.

sexual reproduction

Many multicellular organisms reproduce through ________, during which a male sex cell fertilizes a female sex cell.

ribosome

The ________ is the organelle that makes proteins by putting together chains of amino acids using instructions encoded in the cells DNA.

Lysosomes

________ contain digestive enzymes, which break down worn- out or damaged organelles, waste materials, and foreign invaders in the cell.

Oxygen

________ enters the bloodstream and is carried to the cells of the body.

Mitochondria

________ have their own DNA and they have two membranes.

Photosynthesis

________ is the process by which plants use sunlight, carbon dioxide, and water to make sugar and oxygen.

cytoplasm

The ________ is the region between the cell membrane and the nucleus that includes fluid and all of the organelles.

cellular respiration

In ________, cells use oxygen to release energy stored in food.

Cells

________ break down the sugar glucose to release the energy stored in the sugar.

Stems

________ and roots are organs that function to transport and store water and nutrients in the plant.

Deoxyribonucleic acid

________ (DNA) is stored in the nucleus.

Plants

________ and some protists can make their own food using photosynthesis.

Proteins

________ control most chemical reactions of cells and provide structural support for cells and tissues.

Chlorophyll

________ absorbs the energy in sunlight.

Xylem

________ and phloem are tissues that make up the vascular system.

vacuole

The ________ is a fluid- filled vesicle found in the cells of most animals, plants and fungi.

Complex organisms

________ are made up of many systems.

DNA

________ is genetic material that contains information needed for cell processes.

endoplasmic reticulum

The ________ is a system of membranes near the nucleus.

cytoskeleton

The ________ is a network of protein filaments that gives shape and support to cells and is also involved in cell division and movement.

eukaryotes

In ________, some ribosomes are free, others are attached to the endoplasmic reticulum.

Golgi complex

The ________ is a system of flattened membrane sacs.

Plant cells

________ also have a large central vacuole that stores water.

small intestine

In the ________, nutrients are absorbed through thousands of finger- like projections in the wall of the ________, called villi, and then into the blood vessels of the circulatory system.

amino acid

A(n) ________ is any of the about 20 different carbon- based molecules that are used to make proteins.

Lipids

________ and proteins from the ER are delivered to the Golgi complex where they may be modified to do different jobs.

digestive system

Skin, lungs, the ________ and the kidneys all have processes for removing waste products from the body.

Folds

________ increase the surface area inside the mitochondria where cellular respiration occurs.

nervous

There are four types of animal tissue: ________, epithelial, connective and muscle.

smooth ER

The ________ makes lipids and breaks down toxic materials that could damage the cell.

nuclear membrane

The ________ is a double layer where each layer is similar in structure to the cell membrane.

issue contracts

When the muscle ________, food and stomach acids are mixed, and the food breaks down.

membrane

The outer ________ is smooth, the inner ________ has many folds.

membrane bound

The ________ organelle that packages and distributes materials such as proteins is called the Golgi Complex.

Prokaryotes

________ are made up of a single prokaryotic cell.

Ground tissue

________ provides internal support and storage and absorbs light energy to make food in photosynthesis.

Epithelial tissue

________ is protective and forms boundaries, such as skin.

Muscle tissue

________ helps produce movement.

Chloroplasts

________ are the organelles where photosynthesis occurs.

Ribosomes

________ on the rough ER make many of the cells proteins.

Cells

________ use ATP to carry out ________ processes.

Cellular respiration

________ occurs in an organelle called the mitochondria.

vacuole

A(n) ________ may contain enzymes, nutrients, water, or wastes.

nuclear membrane

The instructions for how to make proteins are stored in the DNA and sent out of the nucleus through pores in the ________.

Chloroplasts

________ have two outer membranes.