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WorksheetsUIL Science - Released District Test Questions
Total questions: 17
Worksheet time: 39mins
Name
Class
Date
1.
Carnivores that eat herbivores are considered:
a)
primary consumers
b)
secondary consumers
c)
tertiary consumers
d)
secondary producers
2.
The process that converts sunlight energy into organic material occurs within the ____ of some eukaryotic cells.
a)
chloroplasts
b)
mitochondria
c)
peroxisomes
d)
plasma membranes
3.
A recessive gene located on the X chromosome is lethal. What percentage of any surviving offspring will be a carrier for the gene in the following genetic cross?
XAXa x XAY
XAXa x XAY
a)
75%
b)
66.6%
c)
33.3%
d)
25%
4.
All of the following are forms of asexual reproduction except:
a)
budding
b)
mitosis
c)
parthenogenesis
d)
conjugation
5.
____ light has the highest energy per photon.
a)
Infrared
b)
Red
c)
Ultraviolet
d)
Green
6.
Which of the following represents an early stage in primary succession?
a)
Pine tree
b)
Moss and lichens on bare rock
c)
Weedy annual plants in an open field
d)
wildflowers
7.
Which one of the following pairs of elements would be expected to form the most ionic compound?
a)
hydrogen, carbon
b)
rubidium, chlorine
c)
arsenic bromine
d)
sulfur, fluorine
8.
The minimum level of organization required for a division of labor is the _ level.
a)
cellular
b)
organ
c)
tissue
d)
organ system
9.
The number of valence electrons in the lowest valence state of one tin atom is ___.
a)
14
b)
8
c)
2
d)
4
10.
If R is dominant to r, the offspring of the cross of RR with rr will ____.
a)
be homozygous
b)
display the same phenotype as the RR parent
c)
have the same genotype as the RR parent
d)
have the same genotype as the rr parent
11.
Plant stamens contain ___.
a)
petals
b)
sepals
c)
anthers
d)
stigmas
12.
Which of the following phyla contains plants that lack vascular tissue?
a)
Bryophyta
b)
Pterophyta
c)
Coniferophyta
d)
Cycadophyta
13.
If all of the offspring of a cross have the genotype Aa, the parents of the crosses would most likely be ___.
a)
AA x aa
b)
Aa x Aa
c)
Aa X aa
d)
aa x aa
14.
The number of valence electrons in a gallium atom is ___.
a)
13
b)
1
c)
2
d)
3
15.
Macroevolution refers to change in all but which of the following?
a)
phyla
b)
classes
c)
species
d)
genera
16.
The uranium isotope used in nuclear reactors and atomic bombs is 235U. How many neutrons are in an atom of 235U?
a)
146
b)
92
c)
143
d)
235
17.
Malaria, which - after AIDS and tuberculosis - is the third largest infectious cause of death worldwide, is caused by a(n) ____.
a)
bacterium
b)
virus
c)
protist
d)
fungus
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