What is the purpose of an enzyme?

give permission for the reaction

control how many reactions occur

How does most of the water needed by the plant get into its leaves?

The roots absorb it and then it travels up the xylem

It's made during a chemical reaction in the stem

The flowers capture water and deliver it to the leaves

How does carbon dioxide get into the leaves of a plant?

It's made in a chemical reaction in the stem

Which of the following is the correct equation for PHOTOSYNTHESIS?

CO 2 + light + H 2 O --> O 2 + Sugar

CO 2 + sugar + H 2 O --> O 2 + light

O2 + light + H 2 O --> CO 2 + Sugar

CO 2 + O 2 + H 2 O --> Light+ Sugar

In which way are photosynthesis and cellular respiration different?

Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.

Cellular respiration stores ATP, while photosynthesis releases ATP.

Cellular respiration produces oxygen, while photosynthesis uses oxygen.

Photosynthesis releases energy, while cellular respiration stores energy.

What is the correct equation for cellular respiration?

6O 2 + C 6 H 12 O 6 -> 6CO 2 + 6H 2 O + Energy

6O 2 + C 6 H 12 O 6 + Energy -> 6CO 2 + 6H 2 O

6CO 2 + 6H 2 O -> 6O 2 + C 6 H 12 O 6 + Energy

6CO 2 + 6H 2 O + Energy -> 6O 2 + C 6 H 12 O 6

The process of cellular respiration

is performed by autotrophs and heterotrophs

is performed only by organisms that are incapable of photosynthesis

occurs before plants are able to carry out photosynthesis

At high temperatures enzyme activity declines because of:

Dissociation of Ionic Compounds

Which of the following conclusions can be drawn from this graph?

The optimum pH of the enzyme is 6.6.

The optimum pH of the enzyme is 5.8

The enzyme’s activity increases as pH increases 5.0 to 9.0

The enzyme’s activity is greater around pH of 8.0 .

A student reads this advertisement for a product containing a plant micronutrient that can be added to soil. Based on this information, the student can conclude that boron is absorbed by plant roots from soil and then —

transported to reproductive tissues by the plant’s shoot system

stored in plant stems until the flowers are pollinated

concentrated in the roots until the plant’s reproductive tissues mature

transported by the phloem to the stomata in leaves, where it attracts pollinators

A student conducted an investigation to study phototropism in grasses. The only difference between the control group and the experimental group was light conditions. The control group was provided full light, while the experimental group was shaded on one side. The diagrams show the average heights and positions of blades of grass in the investigation. Which statement best explains why the grass tips of the experimental group bent toward the light?

Light sensors in the grass tips stimulated a hormone in the shoot system.

Water evaporated faster on the side of the plant having full light

The xylem in the root system absorbed more nutrients from the shaded side.

The side facing the light has a greater chance of absorbing carbon dioxide from the atmosphere.

A student studying interactions between body systems constructs this table. The student plans to fill out the table with phrases that describe an interaction between each pair of systems. Which of these phrases could be placed in the position marked with an X?

Provides nutrients to muscle cells

Provides nutrients to kidney cells

Provides nutrients to brain cells

Provides nutrients to nerve cells

The diagram demonstrates a feedback process involving antidiuretic hormone (ADH). ADH increases the permeability of parts of the nephrons of the kidney, resulting in less water in the urine. This feedback loop is likely to be activated when —

the body experiences dehydration

blood glucose levels are stable

The picture shows bean-shaped glands called nodes. The clusters of cells in nodes include macrophages that break down viruses and other potentially harmful materials. Nodes also contain cells that produce protein particles capable of capturing harmful materials that flow in tissue fluid through the nodes. Different parts of the body are drained by nodes in different regions of the body. Which body systems are directly responsible for regulating these nodes and protecting the body from harmful materials in tissue fluid?

Endocrine and digestive systems

Circulatory and nervous systems

The surface of the stomach is lined with epithelial cells called surface mucous cells. These cells produce a thick mucus that coats the epithelium on the inside surface of the stomach. What is the purpose of the mucous coating?

It protects the epithelium from the acid content of the stomach.

It allows the epithelium to aid in the process of digestion.

It causes the epithelium to expand as food enters the stomach.

It traps nutrients inside the epithelium as food passes through the stomach

Scientists studying illnesses caused by chemically contaminated food conduct research to minimize the effects of these diseases on society. These chemicals harm the body through interactions between the digestive system and the immune system. Scientists conducting this research are likely to describe which of these interactions between the digestive and immune systems?

Chemicals enter the digestive system through contaminated foods. Once in the body, the chemical contaminants impair the body’s ability to fight off infectious diseases.

Chemicals enter the immune system through a break in the skin. The chemical contamination is then passed to the digestive system by the circulatory system.

The immune system transforms the chemicals in the contaminated foods into harmless chemicals. These harmless chemicals are then broken down by the digestive system.

When contaminated foods are eaten, the immune system prevents the chemicals from entering the digestive system.

Several structures work together to allow flowering plants to reproduce. The diagram shows a typical flower. Which table correctly identifies the function of each structure or group of structures in the reproduction of the plant?

X Attraction of pollinators Y Production of male sex cells Z Egg production and embryo development

X Pollen production Y Pollen transfer Z Production of eggs

X Protection for embryo Y Supply nourishment to embryo Z Place of embryonic development

X Photosynthesis Y Production of cells that protect internal organs Z Production of egg and sperm

The graph models core body temperature during a rapid change in environmental conditions. Which statement explains the pattern in the graph?

Body temperature is controlled by an internal feedback mechanism.

Body temperature varies in a predictable pattern during the day.

Vasodilation and vasoconstriction are dependent on the time of day.

Vasodilation and vasoconstriction trigger an immediate increase in body temperature.

Plants called sundews have rounded green leaves with many hair-like structures. The ends of these structures contain enzymes in a sticky liquid that looks like nectar or moisture, as shown in the picture. The hairs do not react to dust or nonliving material but will bend inward when insects get caught in the sticky liquid. Sundews digest trapped insects over a period of a few days. Based on this information, what functions do the specialized leaves of sundews perform?

Provide nutrients to the plant and respond to stimuli

Provide water to the plant and perform photosynthesis

Respond to stimuli and anchor the plant

Release pollen to insects and perform photosynthesis

During the final stages of human gestation, receptors for the hormone oxytocin increase on the smooth muscle cells of the uterus. The release of oxytocin during labor stimulates the smooth muscle tissue in the wall of the uterus. The vigorous contraction of the uterine smooth muscle helps push the baby through the birth canal so that delivery can occur. This process involves the interaction of which organ systems?

Endocrine, muscular, and reproductive

Endocrine and reproductive only

Endocrine, reproductive, and excretory

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STAAR Biology Review - Reporting Category #4

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9th - 10th Grade

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Practice Problem

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Medium

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NGSS

MS-LS1-7, MS-LS1-6, MS-LS1-5

+15

Standards-aligned

Sarah Hilliard

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50 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What biomolecule do enzymes belong to?

Carbohydrate

Lipid

Nucleic Acid

Protein

Which biomolecule is a main source of quick energy?

Nucleic Acid

Protein

Lipid

Carbohydrate

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy?

Proteins

Nucleic Acid

Lipids

Carbohydrate

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the function of a nucleic acid?

Stores genetic information

Stores energy

Quick source of energy

Builds structures

Which biomolecule is made of nucleotides and contain you DNA?

Carbohydrate

Lipids

Protein

Nucleic Acid

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which biomolecule helps form muscles?

Nucleic Acid

Carbohydrate

Protein

Lipids

Which biomolecule is responsible for insulation and energy storage?

Protein

Nucleic Acid

Lipid

Carbohydrate

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STAAR Biology Review - Reporting Category #4

50 questions

What biomolecule do enzymes belong to?

Which biomolecule is a main source of quick energy?

Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy?

What is the function of a nucleic acid?

Which biomolecule is made of nucleotides and contain you DNA?

Which biomolecule helps form muscles?

Which biomolecule is responsible for insulation and energy storage?

Which biomolecule has sugars and starches?

What elements are common to all 4 biomolecules?

A monomer is ...

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