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WorksheetsScience 8 - Q4 Remedial
Total questions: 15
Worksheet time: 5mins
Digestion of food is carried out by the organs and substances of the digestive system. Where does the chemical digestion starts?
anus
intestine
mouth
esophagus
Different species of organisms have different ways of digesting their food. Which tube moves food from the back of the throat to the stomach?
Epiglottis
Esophagus
Intestine
Pharynx
Which of the following is INCORRECTLY matched?
Mouth: Ingestion
Large intestine: Absorption
Stomach: Digestion
Anus: Elimination
Which of the following play important roles in digestion, elimination of wastes, and regulation of body temperature?
Water
Fiber
Protein
Carbohydrates
The digestion process starts when food is taken into the mouth. What do you call this process?
Absorption
Assimilation
Excretion
Ingestion
Which of the following conditions result when something happens that interferes with the removal of water from the large intestine?
Diabetes
Hypertension
Diarrhea
Ulcer
What type of cell division produces two identical cells with the same number of chromosomes?
Cytokinesis
Meiosis
Karyokinesis
Mitosis
Which of the following refers to the process wherein sex cells are formed?
Spermatogenesis
Oogenesis
Gametogenesis
Crossing-over
Which stage of mitosis shows that chromosomes are thicker and shorter because of repeated coiling?
Anaphase
Prophase
Metaphase
Telophase
What do you call the process when an egg cell and sperm cell unite?
Fertilization
Meiosis
Mitosis
Ovulation
Which term is used to refer to a cell that contains only a single set of chromosomes?
Diploid
Polyploid
Haploid
Polar bodies
Which of the following shows the role of meiosis?
It replicates the chromosomes.
It combines with another chromosome.
It doubles the number of chromosomes.
It reduces the chromosome number in half.
Scientists grouped the organisms into meaningful classifications. Which one refers to a group of similar organisms that are capable of reproducing their own kind?
Domain
Species
Family
Phylum
Which of the following involves evaporation, transpiration, condensation, and precipitation?
Water cycle
Nitrogen cycle
Oxygen-carbon dioxide cycle
Carbon dioxide cycle
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