This quiz works best with JavaScript enabled. Home > Agriculture > Plant > Genetics > Plant Genetics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Plant Genetics Quiz 1 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A plant's root grow in a downward direction in response to what force? A) Sunlight. B) Gravity. C) Soil. D) Turgor pressure. Show Answer Correct Answer: B) Gravity. 2. What force or substance causes turgor pressure? A) Water. B) Glucose. C) Gravity. D) Light. Show Answer Correct Answer: A) Water. 3. Before Mendel how did people think you got your traits A) More from the mom. B) From a stork. C) Equal from each parent. D) More from the dad. Show Answer Correct Answer: C) Equal from each parent. 4. This stalk supports the stigma. A) Anther. B) Ovary. C) Style. D) Filament. Show Answer Correct Answer: C) Style. 5. What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)? A) Genesis. B) Elective traits. C) Alleles. D) Quadrants. Show Answer Correct Answer: C) Alleles. 6. The pollen grains are found and made in this part of the stamen. A) Anther. B) Ovary. C) Style. D) Stigma. Show Answer Correct Answer: A) Anther. 7. The enlarged base of the carpel that stores the eggs of the plant is the ..... A) Ovule. B) Style. C) Ovary. D) Stigma. Show Answer Correct Answer: C) Ovary. 8. What do we call the table used to calculate the probability of an offspring's genotype? A) Avogadro's Graph. B) Venn Diagram. C) Punnett Square. D) Circle of Life. Show Answer Correct Answer: C) Punnett Square. 9. The pollen grains are found in this part of the stamen. A) Anther. B) Style. C) Pistil. D) None of above. Show Answer Correct Answer: A) Anther. 10. An allele or gene that always shows is A) Hidden. B) Recessive. C) Dominant. D) Present. Show Answer Correct Answer: C) Dominant. 11. What is a Molecular marker? A) Are used to select a plant for a specific trait if it has a desirable gene in its DNA. B) Are used to highlight an important piece of information on a book. C) Are used to select a plant for a specific group of cells. D) None of above. Show Answer Correct Answer: A) Are used to select a plant for a specific trait if it has a desirable gene in its DNA. 12. In a seed, the radicle grows into? A) The shoot. B) The leaves. C) The stem. D) The roots. Show Answer Correct Answer: D) The roots. 13. When a seedling emerges upright from the soil, which force is it overcoming? A) Gravity. B) Heat. C) Repulsion. D) Magnetism. Show Answer Correct Answer: A) Gravity. 14. What does the term Genome mean? A) An organisms cells. B) An organism's complete set of DNA. C) An organisms gene on one chromosome. D) None of above. Show Answer Correct Answer: B) An organism's complete set of DNA. 15. ..... is the field of science that studies of how traits are passed on, or inherited. A) Dominant traits. B) Genetics. C) Ratio. D) Phenotype. Show Answer Correct Answer: B) Genetics. 16. What organism did Mendel use to prove his 3 main ideas about inheritance? A) Ants. B) Pea plants. C) Pigeons. D) Dogs. Show Answer Correct Answer: B) Pea plants. 17. What does the term "open pollination" mean? A) Pollination between two plants of the same species naturally by wind/insect or water. B) The transfer of pollen by a technician from one plant to another. C) The transfer of seeds from a plant. D) None of above. Show Answer Correct Answer: A) Pollination between two plants of the same species naturally by wind/insect or water. 18. What force allows a plant to become more rigid and stand upright? A) Phototropism. B) Geotropism. C) Photosynthesis. D) Turgor pressure. Show Answer Correct Answer: D) Turgor pressure. 19. Which amongst these is NOT a part of PISTIL A) Stigma. B) Style. C) Stamen. D) Ovary. Show Answer Correct Answer: C) Stamen. 20. The stalk that supports or holds up the anther is the A) Filament. B) Style. C) Pistil. D) Ovary. Show Answer Correct Answer: A) Filament. 21. Steven sets a brand new plant near the window. After several weeks Steven realizes the flower is starting to tilt towards the sunlight. What would be considered the stimuli in this scenario? A) The window. B) Water. C) The dirt in the flower pot. D) The sunlight. Show Answer Correct Answer: D) The sunlight. 22. Contain a plant's male reproductive cell A) Pollen. B) Stamen. C) Stigma. D) Style. Show Answer Correct Answer: A) Pollen. 23. Changes in an organism's environment that cause a response A) Stimuli. B) Response. C) Hormone. D) Tropism. Show Answer Correct Answer: A) Stimuli. 24. They enclose the egg cells inside the ovaries. A) Anther. B) Ovules. C) Stamen. D) Seeds. Show Answer Correct Answer: B) Ovules. 25. Roots grow downward in the soil in response to- A) Wind. B) Water. C) Gravity. D) Sunlight. Show Answer Correct Answer: C) Gravity. 26. Which of these is NOT a genetic trait? A) Scar on a leg. B) Color of fur. C) Length of tail. D) Height of a person. Show Answer Correct Answer: A) Scar on a leg. 27. A stimulus is ..... A) A reaction to a change in surroundings. B) Process in which organisms grow larger. C) Tropism. D) A change in an organisms surroundings. Show Answer Correct Answer: D) A change in an organisms surroundings. 28. The female part of a flower is A) Filament. B) Sepal. C) Stamen. D) Pistil. Show Answer Correct Answer: D) Pistil. 29. What do we call the result of the genotype (for example, the color of the peas)? A) Genotype 2. B) Phenotype. C) Physiotrait. D) Visible traits. Show Answer Correct Answer: B) Phenotype. 30. .....'s principles can be used to study heredity in dogs, cats, and sheep. A) Mendel. B) Darwin. C) Smith. D) Franklin. Show Answer Correct Answer: A) Mendel. Next →Related QuizzesPlant QuizzesAgriculture QuizzesPlant Genetics Quiz 2Plant Genetics Quiz 3Principles Of Genetics Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books