WorksheetsGRADE 9 QUIZ
Total questions: 15
Worksheet time: 3mins
It is a segment of DNA or RNA molecule that contains the information needed to code for protein.
a. exon
b. Introns
c. phenotype
d. promoter region
(a) are the basic units of heredity in living organisms.
____ is the molecule that carries the genetic instructions for life.
a. Genes
b. RNA
c. DNA
d. None of these
DNA is composed of two long strands that form a double helix, containing sequences of four chemical bases. Enumerate the four chemical bases.
(a)
True or false, eating or drinking in the laboratory is acceptable as long as you are careful not to spill anything.
a. True
b. False
c. Neither A or B
d. None is correct
(a) are specific sequences of DNA that play a crucial
role in regulating gene expression.
True or False, You should always wear safety goggles when handling chemicals, even if you are wearing prescription glasses.
a. True
b. false
c. Neither A or B
d. None is correct
True or False, It is fine to directly smell a chemical substance to identify it, as long as you do it quickly.
a. False
b. True
c. Neither B or A
d. None is correct
It is a segments of DNA within a gene that does not code for
proteins.
(a)
It play's a crucial role in integrating information from various
parts of the brain to prepare and initiate voluntary movements.
(a)
For prokaryotes, the
genetic material is
suspended in the ____.
a. ribosome
b. cytoplasm
c. nucleus
d. none of these
True or False, All spills, no matter how small, should be reported to the teacher immediately.
a. False
b. Maybe
c. True
d. None of these
Enumerate at least 3 functions of Genes
(a)
True or False, It is okay to work alone in the laboratory if you are confident in your abilities.
a. true
b. false
c. neither A or B
True or False, It is important to read all safety instructions and labels before starting an experiment.
a. True
b. false
c. Neither A or B
