SCIENCE 8TH GRADE TESTVersion en ligne Science tests about cells and sexual reproduction par Marilyn Yulissa Gomez 1 What is the correct order of the process represented in the pictures? a B-C-A b C-A-B c A-C-B d ABC 2 How is the process in the picture A called? a Segmentation b Fertilization c Fertilizaton d Implantation 3 How many sperms fertilize an egg? Written answer 4 What is the process of fusion? a The journey of sperms through the fallopian tubes b The initial division of the zygote c The entrance of the sperm in an ovum d The combination of the nucleus of the sperm and an ovum 5 What is the delivery stage? a When the baby comes out of the uterus. b When the placenta comes out of the uterus. c When the amniotic sac breaks. 6 Who determined that all living beings are made up of cells? a HooK b Schleiden c Dutrochet 7 What are some consequences of a STD? a Immunity for future contagion b Resistance to antibiotics c Resistance to antibiotics d Infertility and permanent damage 8 What system is mainly attacked by AIDS? Choose one or more answers a Reproductive system b Immune system 9 Who determined that all living beings are made up of cells? a Hook b Schleiden c Dutrochet 10 Why is the cell considered the structural unit of living beings? a Because it carries out all vital functions. b Because it contains the genetic material of living beings. c Because living beings are formed by the same chemical substances. d Because all living beings are made up of cells.
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