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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
decomposed
B
producer
C
herbivore
D
carnivore
2) Which structures are listed in order from the least complex to the most complex?
A
chloroplast, plant cell, leaf, rose bush
B
rose bush, leaf, plant cell, chloroplast
C
chloroplast, leaf, plant cell, rose bush
D
plant cell, leaf, chloroplast, rose bush
3) The ameba is a single-celled organism what two processes are most closely associated with the ameba's cell membrane?
A
active transport and diffusion
B
insertion and deletion
C
replication and photosynthesis
D
nervous regulation and circulation
4) Skin cells perform different functions from liver cells the most likely reason for this is that the cells
A
have different DNA codes in their nuclei
B
have different amounts of water in their cytoplasm
C
use different enzymes in their mitochondria
D
use different parts of the DNA code
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
Cool temperatures stimulate the growth of microbes on raw meat.
C
Raw meat cannot be preserved.
D
Cooking meat kills many bacteria and fungi.
6) Animals that eat other organisms for nutrition are known as
A
regulatory
B
excretory
C
heterotrophic
D
autotrophic
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
It would stimulate mitotic cell division.
C
Increased protein absorption would occur through the cell membrane.
D
The cells would be unable to synthesize proteins.
8) Which substances play an important role in communication between cells in a multicellular organism by acting as chemical messengers?
A
minerals
B
fats
C
hormones
D
antibiotics
9) Because yeast reproduce asexually their offspring usually have
A
half of the genetic information of the parent
B
genes that are identical to those of the parent
C
genes that are different from those of the parent
D
organelles that are not found in 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
It is different in each cell of an organism.
C
Organic catalysts are made up of these molecules.
D
Cell membranes contain many of these molecules
*select an answer for all questions
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