NCSCOS Grade 7 Science - 7.L.2.1 Mitosis / Meiosis
Quiz by NCDPI
Grade 7
Science
North Carolina Standard Course of Study
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10 questions
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- Q1Which BEST describes sexual reproduction in all animals?Egg and sperm join together.Pollen and seed join together.Offspring are identical to one parent.Offspring have traits of only one parent.30s7.L.2.1
- Q2In animals, what passes the mother’s DNA to offspring?pollenspermseedseggs30s7.L.2.1
- Q3What types of cells are found only in organisms that reproduce sexually?neuronsgametesblood cellsskin cells30s7.L.2.1
- Q4Mitosis and meiosis are similar processes. Which BEST describes what can only occur after meiosis?The number of chromosomes per nucleus remains the same after division.Products of cell division result in identical genotypes.Four daughter cells are produced by a single parent cell.Parent cells can be either haploid or diploid.30s7.L.2.1
- Q5A parent cell includes the alleles B and b for a trait. When the cell divides, each daughter cell inherits one allele. What does this process indicate about the organism from which the parent cell originated?it has genetic mutationsit reproduces sexuallyit reproduces asexuallyit is unicellular30s7.L.2.1
- Q6Which of these is accomplished by the interaction of haploid cells in sexually reproducing organisms?production of a zygote with a complete set of chromosomes with genetic material from two parentsproduction of offspring with identical chromosomal combinations from both parentselimination of genes that selection pressures are acting againstdeletion of genetic material that has mutated30s7.L.2.1
- Q7Which process that occurs during meiosis contributes to a gamete having unique genetic material?transcriptioncrossing overspindle formationreplication30s7.L.2.1
- Q8Meiosis is a type of cell division in which diploid divide to produce haploid cells. Where does meiosis occur?musclebrainovarybone30s7.L.2.1
- Q9An elephant has 62 chromosomes in each body cell. How many chromosomes are in the EGG cell of an elephant?622441223130s7.L.2.1
- Q10What is the main goal of MITOSIS?growth, repair and replacement of cellscausing the DNA to disappearcreation of sex cells for reproductionproducing haploid cells30s7.L.2.1