12:48Fertilisation, zygote, embryo, germination | How do organisms reproduce | Biology | Khan AcademyKhan Academy India - English269
Multiple ChoiceAfter fertilization, the __________ develops into a seed, and the __________ develops into a fruit. 285
Multiple ChoiceA pea pod is formed from __________. A pea inside the pod is formed from __________. 143
Multiple ChoiceWhich portion of an embryonic plant consists of the shoot tip with a pair of miniature leaves? 135
Multiple ChoiceA botanist had an apple tree in his yard that produced eight different varieties of apple. How was this tree most likely produced? 143
Textbook QuestionA fruit is a. a mature ovary. b. a mature ovule. c. a seed plus its integuments. d. an enlarged embryo sac.386Has a video solution.
Textbook QuestionWhich of the following does not occur during embryogenesis? a. formation of the radial axis b. production of the suspensor c. formation of the cotyledons and hypocotyl d. formation of the leaf lateral and proximal–distal axes163Has a video solution.
Textbook QuestionWhen does the apical–basal axis first become apparent? a. when the epidermal, ground, and vascular tissues form b. when the cotyledons, hypocotyl, and root form c. when the first cell division produces the apical cell and basal cell d. during the globular stage, when the suspensor is complete110Has a video solution.
Textbook QuestionWhy is the emergence of the radicle an important first step in germination? a. Its hook helps protect the shoot that emerges later. b. It carries out photosynthesis to supply the embryo with food. c. It is important for establishing a supply of water to the growing embryo.= d. It is necessary to break the seed coat.119Has a video solution.
Textbook QuestionThe black dots that cover strawberries are actually fruits formed from the separate carpels of a single flower. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry is a. a simple fruit with many seeds. b. both a multiple fruit and an accessory fruit. c. both a simple fruit and an aggregate fruit. d. both an aggregate fruit and an accessory fruit.708Has a video solution.
Textbook QuestionIn what sense are the tissues produced in the shoot and root apical meristems of a 300-year-old oak tree 'embryonic'?89Has a video solution.
Textbook QuestionPredict how a mutation that caused continuous production of active p53 would affect the cell.212Has a video solution.
Textbook QuestionConsider the following fruits: an acorn, a cherry, a burr, and a dandelion seed. Based on the structure of each of these fruits, predict how the seed is dispersed. Design a study that would estimate the average distance that each type of seed is dispersed from the parent plant.84Has a video solution.
Textbook QuestionOne hypothesis for differences between humans and chimpanzees involves differences in gene regulation. A study using RNA-seq showed that the overall patterns of gene expression were similar in the liver and blood of the two species, but the expression patterns were strikingly different in the brain. How do these results relate to the hypothesis?191Has a video solution.
Textbook QuestionWhile walking in the woods, you encounter an unfamiliar nonwoody flowering plant. If you want to know whether it is a monocot or eudicot, it would not help to look at the a. number of seed leaves, or cotyledons, present in its seeds. b. shape of its root system. c. arrangement of vascular bundles in its stem. d. size of the plant.88Has a video solution.
Textbook QuestionWhat part of a plant are you eating when you consume each of the following: celery stalk, peanut, strawberry, lettuce, beet?163Has a video solution.
