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WorksheetsSemester 1 Rev
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
What 3 things do all organisms need to survive?
a)
food, water, oxygen
b)
living space, oxygen, food
c)
oxygen, water, living space
d)
food, water, living space
2.
Protects a cell and gives it its shape.
a)
cell membrane
b)
nucleus
c)
cytoplasm
d)
cell wall
3.
Uses light energy to make a sugar (photosynthesis). It is green.
a)
cytoplasm
b)
mitochondria
c)
chloroplasts
d)
ribosomes
4.
A storage area for food, water and waste.
a)
vacuole
b)
chloroplasts
c)
cell wall
d)
cell membrane
5.
Which of the following is NOT included in the Cell Theory?
a)
The cell is the basic unit of organization in an organism.
b)
All cells come from cells.
c)
All organisms are made of cells.
d)
All cells can survive independently.
6.
Powerhouse of the cell. It releases energy from food.
a)
mitochondria
b)
chloroplasts
c)
golgi bodies
d)
ribosomes
7.
What structures are only found in plant cells?
a)
cell wall, cell membrane, nucleus
b)
chloroplast, cell wall, large vacuole
c)
chloroplast, large vacuole, Golgi bodies
d)
large vacuole, cell wall, mitochondria
8.
Why is the vacuole larger in a plant cell?
a)
Plants have more room for it.
b)
To deliver water to the cells from roots.
c)
For storage of food and holding the shape of the cell.
d)
They use water more efficiently than an animal cell.
9.
Directs all cellular activities (the brain)
a)
cytoplasm
b)
golgi bodies
c)
nucleus
d)
ribosomes
10.
Which of the following is NOT a characteristic of living things?
a)
movement
b)
made of cells
c)
grow and develop
d)
respond to surroundings
11.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
12.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
13.
Which type of cell division produces 2 identical daughter cells?
a)
cell cycle
b)
meiosis
c)
mitosis
d)
telophase
14.
Which of the following lists, in order, the phases of mitosis?
a)
interphase, metaphase, anaphase, telophase
b)
prophase, metaphase, anaphase, telophase
c)
prophase, metaphase, anaphase, interphase
d)
prophase, anaphase, metaphase, telophase
15.
Which of the following is NOT true about DNA?
a)
chromosomes are found in the DNA
b)
genes found in DNA contain the codes for making proteins
c)
it contains information for an organism's development and function
d)
it's found in the nucleus, which contains the nucleolus
16.
In a DNA molecule, which nitrogen base would pair with adenine?
a)
uracil
b)
cytosine
c)
guanine
d)
thymine
17.
If B represents brown eyes and b represents blue eyes, what will the offspring most likely have for eye color?
a)
100% brown eyes
b)
25% brown eyes, 75% blue eyes
c)
25% blue eyes, 75% brown eyes
d)
50% brown eyes, 50% blue eyes
18.
What type of genotype does Tt represent?
a)
dominant
b)
heterozygous
c)
homozygous
d)
phenotype
19.
Which of the following describes a trait that is supreme over, or hides other traits?
a)
dominant
b)
heterozygous
c)
homozygous
d)
recessive
20.
Which of the following is NOT an area which advances in genetics have been made?
a)
genetically engineered medicine
b)
genetically engineered organisms to correct genetic disorders
c)
genetically engineered plants to increase production
d)
genetically engineered robots
21.
What is genetics?
a)
The passing of traits from parents to offspring
b)
the study of the passing of traits
22.
What is heredity?
a)
the passing of traits from parents to offspring
b)
the study of the passing of traits
23.
If the population of rabbit decreased, how would the food web be affected?
a)
the population of lynx would increase
b)
the population of hawks would increase
c)
the population of red fox would decrease
d)
the population of willow would decrease
24.
Which of the following is an abiotic factor?
a)
air
b)
dead flower
c)
frog
d)
grass
25.
The population of Red Tailed Hawks has increased drastically. Which of these can become a limiting factor for the further growth of the Red Tailed Hawk population?
a)
increase in vegetation
b)
migration to another forest
c)
new water source
d)
shortage of food
26.
An Oxpecker (a bird) lives on the rhino and gets its food by eating the bugs and parasites from the rhino's back. Which type of symbiotic relationship is represented by the Oxpecker and rhino?
a)
commensalism
b)
parasitism
c)
mutualism
d)
socialism
27.
What could happen when a mutation occurs?
a)
the mutation is harmful
b)
the mutation is beneficial (helpful)
c)
the mutation is neither helpful or harmful
d)
all of the above
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