FTCE MIDDLE GRADES SCIENCE 5-9 |
COMPREHENSIVE Q&A FOR GUARANTEED
SUCCESS 2025
What is the name of the cloud of gas and dust that, in theory, condenses to form a
planetary system?
A. galaxy
B. constellation
C. nebula
D. comet - correct-answer-C
Saltwater surged into a pond, causing the Elodea population to decrease. What
process contributed to the decrease in the population of these plants?
A. Saltwater is hypertonic, so water diffused into the plant cells.
B. Saltwater is hypertonic, so water diffused out of the plant cells.
C. Saltwater is hypotonic, so water diffused out of the plant cells.
D. Saltwater is hypotonic, so water diffused into the plant cells. - correct-answer-B
Which of the following is a distinguishing characteristic of prokaryotes?
A. no nucleus
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B. no cell wall
C. cell organelles
D. mitochondria - correct-answer-A
A muscle cell contains a large number of which organelles?
A. lysosomes
B. endoplasmic reticula
C. nuclei
D. mitochondria - correct-answer-D
In humans, nondisjunction during meiosis may result in which of the following
irregularities?
A. cystic fibrosis
B. pleiotropy
C. sickle cell
D. Down syndrome - correct-answer-D
What is the inheritance pattern typified by a 9:3:3:1 phenotype ratio in the F-2
generation?
A. complete dominance in a dihybrid cross
B. complete dominance in a monohybrid cross
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C. incomplete dominance in a monohybrid cross
D. incomplete dominance in a dihybrid cross - correct-answer-A
Sickle-cell disease is a recessive genetic condition. Which genotype indicates that
an individual has this disorder?
A. AA
B. Aa
C. AB
D. aa - correct-answer-D
Which sequence of events precedes protein synthesis?
A. DNA replicates RNA, which goes to the lysosomes.
B. RNA translates DNA, which goes to the lysosomes.
C. DNA transcribes RNA, which goes to the ribosomes.
D. RNA synthesizes DNA, which goes to the ribosomes. - correct-answer-C
A new aquatic invertebrate has been found. Its body is bilaterally symmetrical and
flat, and it has the ability to regenerate. To what phylum does it belong?
A. Porifera
B. Platyhelminthes
C. Nematoda
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D. Annelida - correct-answer-B
What characteristic is used in the classification of protozoans?
A. their mode of locomotion
B. their manner of obtaining food
C. their method of reproduction
D. the toxicity of their waste - correct-answer-A
Which of the following organelles is present in plant cells but not in animal cells?
A. ribosome
B. Golgi apparatus
C. chloroplast
D. endoplasmic reticulum - correct-answer-C
The endodermis of a mature primary root plays a role in
A. absorbing water and minerals from the soil.
B. regulating transport of water and minerals into vascular tissue.
C. storing water, minerals, or nutrients for the plant.
D. supporting the root structure of the plant. - correct-answer-B