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7th Life Science Final 2018

Total questions: 55

Worksheet time: 51mins

Name
Class
Date
1.
What is true of all plants?
a)
they are multicellular
b)
they are unicellular
2.
What is true of all plants?
a)
they are consumers
b)
they are decomposers
c)
they are producers
3.
___ is the process in which plants make food.
a)
reproduction
b)
fertilization
c)
photosynthesis
d)
binary fission
4.
Which organelle stores sap, water, or waste in plant cells?
a)
Vacuole
b)
Mitochondria
c)
Cell Membrane
d)
Cytoplasm
5.
What is a cuticle?
a)
waxy layers that help protect the plant reduce water loss
b)
food for bugs
c)
to hold the veins
d)
to protect the upper leaf cells
6.
I am only found in a plant cell. What am I?
a)
cell membrane
b)
mitochondria
c)
cytoplasm
d)
chloroplast
7.

What are vertebrates?

a)

Animals with a backbone

b)

Animals without a backbone

8.

There are five categories of vertebrates. Which one is not a vertebrate?

a)

Mammals

b)

Birds

c)

Arthropods

d)

Reptiles

9.

I have a 4-chambered heart and my body is covered with fur. What am I?

a)

Mammal

b)

Amphibian

c)

Bird

d)

Reptile

10.

I lay eggs without shells, and live in the water when I am young, then live on land. What am I?

a)

Amphibian

b)

Reptile

c)

Bird

d)

Fish

11.

I am covered in dry scales and I lay eggs with leathery covers. What am I?

a)

Mammal

b)

Fish

c)

Amphibian

d)

Reptile

12.

My body is cold, I use gills to breathe under water, and I lay eggs without shells. What am I?

a)

Fish

b)

Mammal

c)

Reptile

d)

Amphibian

13.

I lay eggs with hard shells and have light bones so I can fly. What am I?

a)

Mammal

b)

Bird

c)

Fish

d)

Reptile

14.

As adults, amphibians breathe through _____________.

a)

Gills

b)

Skin

c)

Lungs

d)

Feet

15.

Any animal lacking a backbone or notochord.

a)

vertebrate

b)

invertebrate

16.

What type of symmetry do organisms with two similar sides (like humans) have?

a)

Asymmetry

b)

Bilateral Symmetry

c)

Radial Symmetry

17.
Outer skeleton best describes which of the following types of skeleton:
a)
endoskeleton
b)
skeletons without hard parts
c)
exoskeleton
d)
skeletons
18.
Inner skeleton best describes which of the following types of skeleton:
a)
endoskeleton
b)
skeletons without hard parts
c)
exoskeleton
d)
skeletons
19.

A dog has which type of skeleton?

a)

Hydrostatic

b)

Endoskeleton

c)

Exoskeleton

20.

Animals with nerve cords have which type of symmetry?

a)

asymmetry

b)

radial symmetry

c)

bilateral symmetry

21.

What allows a sea anemone to contract and catch its food?

a)

nerve net

b)

nerve cord

22.

Which limbs allow an animal to fly?

a)

wings

b)

fins

c)

legs

23.

Which limbs allow an animal to walk?

a)

wings

b)

fins

c)

legs

24.

Which limbs allow an animal to swim?

a)

wings

b)

fins

c)

legs

25.

What type of motion do you expect from snakes and eels?

a)

walking

b)

swimming

c)

flying

d)

undulate motion

26.

What waste gas needs to get out of the body?

a)

oxygen

b)

methane

c)

carbon dioxide

27.
Gas exchange is needed to supply _____________  to cells and remove __________________
a)
carbon dioxide; oxygen
b)
oxygen; food
c)
oxygen; carbon dioxide
d)
carbon dioxide; water
28.
What is the main function of the circulatory system?
a)
Transport materials throughout the body
b)
supply the body with oxygen for breathing
c)
balance fluid levels in the body
d)
Filter blood
29.

What are the two phases of the cell cycle?

a)

prophase and cytokinesis

b)

interphase and mitosis

c)

metaphase and mitosis

d)

anaphase and telophase

30.

Which process increases the number of cells in an organism?

a)

respiration

b)

photosynthesis

c)

cell division

d)

fermentation

31.

Daughter cells have identical chromosomes as their parent cell.

a)

True

b)

False

32.

What makes two cells behave differently from one another?

a)

One is identical to the parent cell, the other is not

b)

They have the same chromosomes, so they behave the same

c)

Each cell uses slightly different parts of the instructions on chromosomes

d)

Cells are constantly changing what type they are

33.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
34.

In order from simplest to most complex, what are the five levels of organization in the body?

a)

organism, organ system, organ, tissue, cell

b)

cell, organ, organ system, tissue, organism

c)

cell, tissue, organ, organ system, organism

d)

cell, tissue, organ system, organ, organism

35.

Groups of cells with similar functions.

a)

Organs

b)

Molecules

c)

Tissues

d)

Organelles

36.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs

37.

Group of organs with similar functions.

a)

Organism

b)

Cell

c)

Organ

d)

Organ System

38.

This picture shows an esophagus, stomach, and intestines. What is this picture an example of?

a)

organ system

b)

cells

c)

organ

d)

tissue

39.

What is a single, living individual called? Complex ones like humans have multiple organ systems.

a)

Community

b)

Cell

c)

Population

d)

Organism

40.

What process combines genetic information from TWO CELLS to produce an offspring?

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Meiosis

d)

Mitosis

41.

What is the name of the process when an egg and sperm join together?

a)

fertilization

b)

meiosis

c)

mitosis

d)

asexual reproduction

42.

What is the name of the cell that is created by fertilization?

a)

egg

b)

sperm

c)

embryo

d)

zygote

43.

What type of cell contains two of each chromosome?

a)

Diploid

b)

Haploid

c)

Monoploid

d)

Triploid

44.

What type of cell has a single set of unpaired chromosomes?

a)

Diploid

b)

Embryo

c)

Haploid

d)

Zygote

45.

What is the process that creates sex cells?

a)

Cell Division

b)

Fertilization

c)

Mitosis

d)

Meiosis

46.

Which of the following cell types is formed by meiosis?

a)

Haploid cells

b)

Diploid cells

47.

Which type of cells are diploid?

a)

sex cells

b)

body cells

48.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
49.

What is the passing of traits from parent to offspring?

a)

Heredity

b)

Genetics

c)

Dominant

d)

Recessive

50.

What is the study of how traits are passed from parents to offspring?

a)

gene

b)

genetics

c)

meiosis

d)

hybrid

51.

A human usually has _____ total chromosomes in each of their body cells.

a)

6

b)

22

c)

4

d)

46

52.

What is a genetic factor that blocks another genetic factor? (an example is the ability to roll your tongue)

a)

dominant trait

b)

recessive trait

53.

What is a genetic factor that is blocked by another genetic factor? (an example is attached earlobes)

a)

dominant trait

b)

recessive trait

54.

True or False? A bundle of DNA is a chromosome.

a)

False

b)

True

55.

What is a section on a chromosome that has genetic information for one trait?

a)

a gene

b)

a chromosome

c)

DNA

d)

dominant

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