Science Quiz on Life and Measurement
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Questions and Answers

Which of the following accurately describes the function of the cell membrane?

  • It stores genetic information.
  • It controls the movement of substances in and out of the cell. (correct)
  • It produces energy for the cell.
  • It packages proteins for export.

What is the correct sequence of the stages of mitosis?

  • Telophase, anaphase, prophase, metaphase
  • Prophase, metaphase, telophase, anaphase
  • Metaphase, prophase, anaphase, telophase
  • Prophase, metaphase, anaphase, telophase (correct)

Which of the following body systems is responsible for transporting nutrients and oxygen throughout the body?

  • Digestive system
  • Circulatory system (correct)
  • Respiratory system
  • Excretory system

What are the prefixes in the metric system that represent 100 and 1000 respectively?

<p>Hecto and Kilo (B)</p> Signup and view all the answers

What is the main function of a flower in a flowering plant?

<p>To facilitate reproduction by producing seeds (B)</p> Signup and view all the answers

Which of the following cells in the retina are responsible for color vision?

<p>Cones (B)</p> Signup and view all the answers

How does asexual reproduction in plants differ from sexual reproduction?

<p>Asexual reproduction results in genetically identical offspring (C)</p> Signup and view all the answers

What defines the central nervous system?

<p>It contains the brain and spinal cord. (C)</p> Signup and view all the answers

Which of the following tools is primarily used to measure temperature?

<p>Thermometer (A)</p> Signup and view all the answers

What type of genetic mutation involves the addition of one or more nucleotide base pairs into a DNA sequence?

<p>Insertion (B)</p> Signup and view all the answers

Which term refers to the process where organisms with traits that better suit their environment tend to survive and reproduce?

<p>Natural selection (D)</p> Signup and view all the answers

What is a common characteristic of homologous structures in different species?

<p>They have similar embryonic origins. (D)</p> Signup and view all the answers

Which of the following spheres of Earth includes all living organisms?

<p>Biosphere (C)</p> Signup and view all the answers

What is the primary method that conservation scientists use to address damage caused by deforestation?

<p>Reforestation (D)</p> Signup and view all the answers

Which of the following best describes the process of energy conversion from stored energy to motion?

<p>Potential energy to mechanical energy (B)</p> Signup and view all the answers

What type of resource is primarily extracted from hydrothermal vents?

<p>Geothermal energy (B)</p> Signup and view all the answers

Flashcards

Metric system prefixes

Kilo (1000), Hecto (100), Deka (10), Deci (0.1), Centi (0.01), Milli (0.001) are used to represent multiples or subdivisions of a basic unit in the metric system.

Scientific method steps

A systematic approach to solving problems: observation, question, hypothesis, experiment, analyze data, draw conclusions, communicate results.

Characteristics of life

All living things share these traits: organization, growth, reproduction, adaptation, response to stimuli, homeostasis, and energy.

Cellular organelles

Specialized structures within cells: cell membrane, Golgi body, lysosome, ribosome, vacuole, endoplasmic reticulum, nucleus, and mitochondria.

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Flowering plant life cycle

A plant life cycle involves seed germination, growth, flowering, pollination, seed production, and dispersal.

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Mitosis stages

A type of cell division where a cell divides into two identical daughter cells: prophase, metaphase, anaphase, telophase.

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Photosynthesis product

Plants produce glucose (sugar) during photosynthesis, using carbon dioxide, water, and light energy.

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Central vs. Peripheral Nervous System

Central nervous system (CNS) includes the brain and spinal cord, while the peripheral nervous system (PNS) connects the CNS to the rest of the body.

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Dominant vs. Recessive

Dominant traits mask recessive traits. A dominant allele expresses its trait even if only one copy is present, while a recessive allele only expresses its trait if two copies are present.

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Homozygous vs. Heterozygous

Homozygous describes an individual with two identical alleles for a trait, while heterozygous describes an individual with two different alleles for a trait.

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What is a Genetic Mutation?

A permanent change in the DNA sequence of an organism, leading to variations in traits.

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Drug-Resistant Bacteria

Bacteria that have evolved resistance to antibiotics due to mutations in their genes.

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What are Adaptations?

Inherited traits that help organisms survive and reproduce in their environment.

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How are Fossils Formed?

Fossils form when organisms die and are buried rapidly by sediment, preventing decomposition.

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Compounds vs. Mixtures

A compound is formed when two or more elements chemically combine in a fixed ratio. A mixture is a combination of two or more substances that are not chemically bonded.

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Earthquakes and Epicenters

Earthquakes are caused by the sudden release of energy in the Earth's crust. The epicenter is the point on the Earth's surface directly above the focus of the earthquake.

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Study Notes

Metric Prefixes

  • Kilo (k): 1,000
  • Hecto (h): 100
  • Deka (da): 10
  • Deci (d): 0.1
  • Centi (c): 0.01
  • Milli (m): 0.001

Conversions

  • 1 centimeter = 10 millimeters
  • Ratio for conversion from cm to mm: 10 mm / 1 cm
  • To convert 4 cm to mm, multiply: 4 cm * 10 mm/cm = 40 mm

Scientific Method Steps

  • Make observations
  • Ask questions
  • Construct a hypothesis
  • Test hypothesis with an experiment
  • Analyze results
  • Conclude findings
  • Communicate results
  • Repeat the process if needed

Characteristics of Life

  • The document asks for the characteristics of life and shared characteristics of living things.

Levels of Organization in Living Things

  • The document asks for naming the levels of organization in living things from cell to organism.

Cell Parts/Organelles

  • The document asks to describe what common objects represent parts of a cell. (Diagram included to help)
  • The image provides a diagram of a cell and labels various parts.

Cell Functions

  • The document asks for functions of the parts of a cell from the diagram

Body Systems

  • The image provides diagrams for the circulatory, nervous, respiratory, digestive, skeletal, and muscular systems
  • Digestive system function: The digestive system can be used to discuss constipation.
  • Other systems are listed for review.

Life Cycles

  • The document asks for descriptions of life cycles for specified organisms. Example: Flowering plants, Insects

Mitosis Stages

  • The image provides a diagram of the stages of mitosis.
  • Telophase, anaphase, prophase, and metaphase are the stages for review.

Asexual and Sexual Reproduction

  • The document asks for the difference between asexual and sexual reproduction through examples.

Flower Function

  • The document asks for the role/job of the flower within a flowering plant.

Photosynthesis

  • The image provides a diagram for the process of photosynthesis.
  • Includes inputs like water, carbon dioxide, and light energy; and outputs like oxygen and glucose.
  • Also shows wavelengths (colors) of light that plants absorb during photosynthesis

Strategies for Offspring Survival

  • The document asks for survival strategies of living things to ensure offspring survival

Sense Organs/Vision

  • The document asks about sense organs like the eye, how they function visually, and different receptors.
  • The eye uses different cell types for color/black and white vision.

Sense Organ/Smell

  • The document asks for the name of the receptors that detect smell/sense smell in the nose.

Nervous System Divisions

  • The document asks about the central and peripheral nervous system.

Respiration vs. Fermentation

  • The document asks about the differences between cellular respiration and fermentation
  • fermentation takes place when oxygen is low.
  • Different types of fermentation are discussed

Nutrition Facts

  • The document provides sample nutrition label data with percentages of daily values.
  • It shows information to perform calculations of percentages.

Enzymes

  • The document provides definitions for enzyme, substrate, complex, and lock-and-key mechanism.

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Related Documents

End of Semester Exam Study Guide Science 7A PDF
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Description

Test your knowledge on fundamental scientific concepts including metric prefixes, characteristics of life, and levels of organization in living things. This quiz also covers the scientific method and the functions of cell parts. Perfect for students seeking a comprehensive review of biology and measurement.

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