Life Science

Question 1

What is the most basic unit of an organism?

Answer 1

Cell

Question 2

What do we call anything that causes a reaction in organisms?

Answer 2

Stimuli

Question 3

Name the classification hierarchy

Answer 3

Domain, kingdom, phylum, class, order, family, genus, species

Question 4

What is the name of the system used to classify organisms? Who invented it?

Answer 4

Binomial nomenclature
Carolus Linnaeus

Question 5

What are the 6 kingdoms?

Answer 5

Plant, animal, fungi, protists, archaebacteria, eubacteria

Question 6

What is a strand of hereditary information enclosed in a protein coat?

Answer 6

Virus

Question 7

What is a virus that infects bacteria?

Answer 7

Bacteriophage

Question 8

What do we call the proteins our bodies produce to interfere with viruses?

Answer 8

Interferons

Question 9

Who observed the first cell?

Answer 9

Robert Hooke in the 1660s

Question 10

What is the general term for parts of the cell?

Answer 10

Organelles

Question 11

What holds the cell together and controls flow in and out of cell?

Answer 11

Cell membrane (semi-permeable)

Question 12

What makes up the cell wall of plants and fungi?

Answer 12

Cellulose - plants
Chitin -fungi

Question 13

What is the jelly like substance in the cell? What are the fibers and tubes that give it structure?

Answer 13

Cytoplasm and cytoskeleton

Question 14

What makes proteins inside the cell

Answer 14

Ribosomes

Question 15

What does DNA stand for

Answer 15

Deoxyribonucleic Acid
Code for genetic information

Question 16

What produces ribosomes?

Answer 16

Nucleolus- small structure inside nucleus that makes ribosomes and transports them to cytoplasm

Question 17

Whar are the bubbles produced in cells to store waste, food and water?

Answer 17

Vacuoles

Question 18

What part of a cell breaks down food, cell waste and foreign particles

Answer 18

Lysosome

Question 19

What part of a cell releases energy?

Answer 19

Mitochondria

Question 20

What is the transport facility? Made of folded membranes?

Answer 20

Endoplasmic reticulum

Question 21

What are a group of different cells that do a similar job called?

Answer 21

Tissue

Question 22

What are a group of similar tissues working together called?

Answer 22

Organ

Question 23

Passive transport where molecules move from area of high concentration to low concentration

Answer 23

Diffusion (osmosis when it is water molecules)

Question 24

What protein is used for active transport in and out of a cell

Answer 24

ATP adeninosine triphosphate

Question 25

What is the collection of all of the chemical reactions that allow a cell to survive

Answer 25

Metabolism

Question 26

What is the chemical reaction a plant Carrie’s out to produce energy from sunlight

Answer 26

Photosynthesis

Question 27

When glucose in food reacts with oxygen producing carbon dioxide, water and energy in the mitochondria

Answer 27

Cellular respiration

Question 28

Chemical reaction that releases energy from breakdown of food where there is no oxygen

Answer 28

Fermentation (alcoholic, lactic acid)

Question 29

WhT are molecules that help a chemical reaction proceed

Answer 29

Enzymes

Question 30

What is the process of cell division where the nucleus is divided

Answer 30

Mitosis (only for Eukaryotes)

Question 31

What is process of cell division for simple cells (prokaryotes)

Answer 31

Binary fission

Question 32

Plants that reproduce using runners that grow roots are doing what?

Answer 32

Vegetative propagation

Question 33

When a piece of plant breaks off and starts a new plant

Answer 33

Fragmentation

Question 34

When a male and female propagate by combining genetic material

Answer 34

Sexual reproduction

Question 35

Joining together of a sperm cell and egg is called?

Answer 35

Fertilization

Question 36

Cell that results from fertilization

Answer 36

Zygote

Question 37

The teeth of the DNA zipper are made of?

Answer 37

Nitrogen bases Adenite - a Thymine- T Cytosine - C Guanine - G A Trait Could Grow

Question 38

Fashioned froM DNA strands this strand is a pattern or mold from which proteins are made

Answer 38

RNA -Ribonucleic Acid MRNA - messenger rRNA - ribosomal tRNA - Transfer

Question 39

What are segments of DNA strands that code for specific traits?

Answer 39

Genes

Question 40

What are molecules that are made by stringing together amino acids?

Answer 40

Proteins

Question 41

Where are proteins made in cells?

Answer 41

The ribosomes

Question 42

What is the green pigment in plants

Answer 42

Chlorophyll

Question 43

What are the other pigments in plants that aren’t green

Answer 43

Carotenoids (red, orange and yellow)

Question 44

What is the waxy protective layer that helps plants conserve water?

Answer 44

Cuticle

Question 45

What are the tubelike cells that when stacked together form vessels that distribute water from roots?

Answer 45

Xylem

Question 46

What are the tubelike cells that form tubes to distribute food in a plant?

Answer 46

Phloem

Question 47

What are the cells that produce xylem and phloem cells?

Answer 47

Cambium

Question 48

What are the small reproductive units for plants that don’t seed?

Answer 48

Spores

Question 49

What are the tiny stringy structures in place of roots on non vascular plants like moss

Answer 49

Rhizoids

Question 50

What are the organs of a plant where photosynthesis takes place?

Answer 50

Leaves

Question 51

What are the plants where seeds are in fruit?

Answer 51

Angiosperms

Question 52

What are the layers/parts of a leaf?

Answer 52

Epidermis Stomata - openings to exchange gas Palisade layer - contains chloroplasts Spongy layer loose Ky packed w/air povkets

Question 53

What are the female parts of a plant?

Answer 53

Stigma (ovary and pistol)

Question 54

What are the males parts of the plant?

Answer 54

Stamen

Question 55

When a plant grows towards light?

Answer 55

Phototropism

Question 56

When a plant adjusts growth in response to stimuli (light, walls, gravity)?

Answer 56

Tropism

Question 57

What is it when a plant releases water vapor in to the environment?

Answer 57

Transpiration

Question 58

When a plant stops growing and activity (tree in winter)

Answer 58

Dormant

Question 59

Any behavior or structure that allows organism to survive in its environment?

Answer 59

Adaptation

Question 60

When an animal is inactive during cold/winter?

Answer 60

Hibernation

Question 61

When an animal is inactive during warm weather /summer?

Answer 61

Estivation

Question 62

What are 3 kinds of mammals?

Answer 62

Monotremes - platypus, echidnas Marsupials - oppossum, kangaroo Placentals

Question 63

What are the structures that carry out gas exchange with water?

Answer 63

Gills

Question 64

What is the internal balloon like structure that inflates/deflates to help fish rise or sink

Answer 64

Swim bladder

Question 65

Two types of fish based on structure

Answer 65

Cartilaginous (sharks and rays) Bony fish

Question 66

What is least common blood type?

Answer 66

AB negative

Question 67

What is most common blood typed?

Answer 67

O positive