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Biology Science Bee

Total questions: 51

Worksheet time: 40mins

Name
Class
Date
1.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
2.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
3.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
4.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
5.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
6.

A ______________ is a large molecule.

a)

Micromolecule

b)

Polymer

c)

Amino Acid

d)

Macromolecule

7.

Which of the following is not one of the four major classes of macromolecules?

a)

Lipids

b)

Carbon

c)

Protein

d)

Carbohydrates

e)

Nucleic Acid

8.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

9.

Which macromolecule stores energy?

a)

Carbohydrates

b)

Proteins

c)

Lipids/Fats

d)

Nucleic Acids

10.

This macromolecule breaks down into sugars such as glucose.

a)

Lipids/Fats

b)

Nucleic Acids

c)

Protein

d)

Carbohydrates

11.

Salmon is an example of what 2 macromolecules?

a)

Carbohydrates

b)

Lipids/Fats

c)

Protein

d)

Nucleic Acids

12.
When a protein is broken down into smaller units, what are those smaller units?
a)
amino acids
b)
glucose
c)
glycogen
d)
fatty acids
13.

This macromolecule is in charge of storing genetic information.

a)

Protein

b)

Carbohydrate

c)

Nucleic Acid

d)

Lipid

14.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
15.

Lipids are also known as...

a)

fat

b)

starch

c)

glucose

d)

hemoglobin

16.
What suffix (word ending) is used in the names of most carbohydrates?
a)
-ase
b)
-nic
c)
-ose
d)
-yme
17.

The reactants of photosynthesis

a)

CO2

b)

CO2, H2O

c)

CO2, H2O, Sunlight

d)

none of the above

18.

The products of cellular respiration

a)

CO2

b)

CO2, H2O

c)

CO2, H2O, glucose

d)

CO2, H2O, ATP

19.

Occurs in plants

a)

photosynthesis only

b)

cellular respiration only

c)

photosynthesis and cell respiration

d)

all of the above

20.

The reactants of cellular respiration

a)

CO2, H2O, sunlight

b)

O2, glucose

c)

CO2, glucose

d)

H2O, sunlight

21.

The products of photosynthesis

a)

CO2, H2O, sunlight

b)

CO2, H2O, ATP

c)

O2, Glucose

d)

CO2, Glucose

22.

Location for aerobic respiration

a)

mitochondria

b)

chloroplasts

c)

cytoplasm

d)

vesicle

23.

What does aerobic mean?

a)

without ATP

b)

without oxygen

c)

with ATP

d)

with oxygen

24.

Where does photosynthesis occur in the cell?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

nucleus

25.

What is the purpose of cellular respiration?

a)

produce glucose for all living things

b)

produce ATP for plants

c)

produce glucose for plants

d)

produce ATP for all living things

26.

What is the name of the green pigment in plants?

a)

chloroplast

b)

glucose

c)

chlorophyll

d)

ATP

27.

What is the definition of photosynthesis?

a)

plants use glucose to produce ATP

b)

uses the sun's energy to produce glucose

c)

the breakdown of carbon dioxide to glucose

d)

uses the sun's energy to produce ATP

28.
This organelle contains chlorophyll.
a)
Mitochondria 
b)
Chloroplast
c)
Both Mitochondria and Chloroplast
29.

C₆H₁₂O₆

a)

Water

b)

Glucose

c)

Energy

d)

Carbon dioxide

30.

What three things do plants need for the process of photosynthesis?

a)

Sunlight,oxygen and sugar

b)

Water, soil, and oxygen

c)

Sunlight, oxygen, and water

d)

Sunlight, soil, water

31.
What does chlorophyll capture?
a)
Chlorophyll captures water from the air.
b)
Chlorophyll captures carbon dioxide from the air.
c)
Chlorophyll captures the energy of sunlight.
d)
Chlorophyll captures baseballs.
32.
Black fur is dominant (B) over white fur (b).  Find the probability of heterozygous offspring using the following genotype of these parents.
Bb + bb
a)
0%
b)
25%
c)
50%
d)
100%
33.
What are genes?
a)
Something you wear.
b)
Segments of DNA that carry traits for offspring.
c)
The powerhouse of cells.
d)
None of the above.
34.
What would be the results of a genetic cross between the following parents?  TT + Tt
a)
Tt, tt, tt, tt
b)
TT, TT, TT, Tt
c)
Tt, Tt, Tt, TT
d)
TT, TT, Tt, Tt
35.
Which of the following is an example of phenotype?
a)
bb
b)
blue eyes
36.
Which of these is homozygous recessive?
a)
Rr
b)
rR
c)
RR
d)
rr
37.

What is true about the alleles HH and hh?

a)

They are both heterozygous

b)

HH is homozygous and hh is heterozygous

c)

HH is heterozygous and hh is homozygous

d)

They are both homozygous

38.

Each segment on the DNA that controls the trait is called a

a)

genotype

b)

gene

c)

phenotype

d)

characteristic

39.

The different forms of the genes are called....

a)

alleles

b)

genotypes

c)

phenotypes

d)

traits

40.

Which vocabulary word means the physical appearance of the organism?

a)

phenotype

b)

genotypes

c)

genes

d)

alleles

41.

Which vocabulary word means the allele/gene combination of the organism

a)

phenotype

b)

genotype

c)

traits

d)

genetics

42.

The passing of traits from parents to their offspring

a)

genetics

b)

heredity

c)

genotype

d)

phenotype

43.

Let's say black fur is dominant to white fur in hamsters.. What letter would you use to represent white fur

a)

B

b)

b

c)

W

d)

w

44.

What goes in the missing square?

a)

AA

b)

aa

c)

A

d)

a

45.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
46.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
47.

The only way for a recessive trait to appear is for an organism to have

a)

two dominant alleles

b)

two recessive alleles

c)

one dominant allele and one recessive allele

48.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
49.

Chromosomes are made of

a)

DNA

b)

genes

c)

proteins

d)

traits

50.

What are the structures in this image called?

a)

chromosomes

b)

centromere

c)

sister chromatids

d)

chromatin

51.

Eye color, hair color, having freckles, etc. are examples of:

a)

DNA

b)

Chromosomes

c)

Genes

d)

Traits

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