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Regents Exam Practice
Test Description: This is a review of regents exam practice questions.
Instructions: Answer all questions to get your test result.
1) Which type of organism can obtain energy directly from any of the other organisms in an ecosystem?
A
producer
B
decomposed
C
herbivore
D
carnivore
2) Which structures are listed in order from the least complex to the most complex?
A
chloroplast, leaf, plant cell, rose bush
B
plant cell, leaf, chloroplast, rose bush
C
chloroplast, plant cell, leaf, rose bush
D
rose bush, leaf, plant cell, chloroplast
3) The ameba is a single-celled organism what two processes are most closely associated with the ameba's cell membrane?
A
nervous regulation and circulation
B
active transport and diffusion
C
replication and photosynthesis
D
insertion and deletion
4) Skin cells perform different functions from liver cells the most likely reason for this is that the cells
A
use different enzymes in their mitochondria
B
use different parts of the DNA code
C
have different DNA codes in their nuclei
D
have different amounts of water in their cytoplasm
5) A piece of refrigerated, cooked meat will remain safe to eat for a longer period of time that a refrigerated piece of raw meat of similar size. Why?
A
Cooked meat contains antibodies that destroy decomposers.
B
Raw meat cannot be preserved.
C
Cool temperatures stimulate the growth of microbes on raw meat.
D
Cooking meat kills many bacteria and fungi.
6) Animals that eat other organisms for nutrition are known as
A
regulatory
B
autotrophic
C
heterotrophic
D
excretory
7) If the ribosomes of a cell were destroyed, what effect would this most likely have on the cell?
A
Development of abnormal hereditary features would occur in the cell.
B
The cells would be unable to synthesize proteins.
C
Increased protein absorption would occur through the cell membrane.
D
It would stimulate mitotic cell division.
8) Which substances play an important role in communication between cells in a multicellular organism by acting as chemical messengers?
A
minerals
B
hormones
C
fats
D
antibiotics
9) Because yeast reproduce asexually their offspring usually have
A
genes that are identical to those of the parent
B
genes that are different from those of the parent
C
organelles that are not found in the parent
D
half of the genetic information of the parent
10) The Double Helix DNA is found in living things, which statement describes on characteristic of this molecule?
A
It is the template for replication of genetic information.
B
Organic catalysts are made up of these molecules.
C
It is different in each cell of an organism.
D
Cell membranes contain many of these molecules
*select an answer for all questions
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