01:13CBSE Class 12 Biology, Sexual Reproduction in Flowering Plants-2, Female Reproductive OrgansBest for NEET940views
12:48Fertilisation, zygote, embryo, germination | How do organisms reproduce | Biology | Khan AcademyKhan Academy India - English566views
08:48Flower: Sexual parts (unisexual & bisexual) | How do organisms reproduce | Biology | Khan AcademyKhan Academy India - English774views
09:42The Reproductive Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36CrashCourse411views
Multiple ChoiceThe male structures of angiosperms are called __________, and they produce __________. 545views
Multiple ChoiceThe female structures of angiosperms are called __________, and they produce __________. 360views
Multiple ChoiceIn the process of pollination, pollen grains are transferred from the __________ to the __________. 981views
Multiple ChoiceLike gymnosperms, many grasses and angiosperm trees are wind-pollinated. To conserve energy, these angiosperms do not produce complete flowers (complete flowers have all four of the basic parts). Which basic part would most likely be missing from wind-pollinated angiosperm flowers? 315views
Multiple ChoiceIn this type of asexual reproduction, seeds are produced even without the joining of sperm and eggs. 510views
Multiple ChoiceIn an environment that is very stable, with reliable moisture and temperature, what type of reproduction would be most advantageous for a plant, and why? 324views
Multiple ChoiceWhich statement below accurately describes the role of S-genes in plants? 357views1rank
Textbook QuestionIn angiosperms, each pollen grain produces two sperm. What do these sperm do? a. Each one fertilizes a separate egg cell. b. One fertilizes an egg, and the other is kept in reserve. c. Both fertilize a single egg cell. d. One fertilizes an egg, and the other fertilizes a cell that develops into stored food.915views
Textbook QuestionMatch questions 3–8 with options a–f. 3. Attracts pollinator 4. Develops into seed 5. Protects flower before it opens 6. Produces sperm 7. Produces pollen 8. Houses ovules a. pollen grain b. ovule c. anther d. ovary e. sepal f. petal538views
Textbook QuestionSome dioecious species have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the embryos and endosperm nuclei? a. embryo XY/endosperm XXX or embryo XX/endosperm XXY b. embryo XX/endosperm XX or embryo XY/endosperm XY c. embryo XX/endosperm XXX or embryo XY/endosperm XYY d. embryo XX/endosperm XXX or embryo XY/endosperm XXY1249views
Textbook QuestionA small flower with green petals is most likely a. bee-pollinated. b. bird-pollinated. c. bat-pollinated. d. wind-pollinated.1043views
Textbook QuestionName two kinds of asexual reproduction among plants. Explain two advantages of asexual reproduction over sexual reproduction. What is the primary drawback of asexual reproduction?677views