Podcast
Questions and Answers
What is the main reason flowers produce an enormous amount of pollen compared to the number of ovules available for pollination?
What is the main reason flowers produce an enormous amount of pollen compared to the number of ovules available for pollination?
- To conserve energy by producing excess pollen
- To decrease the chances of attracting abiotic agents for pollination
- To increase the chances of successful pollination due to uncertainties in pollen contact with stigmas (correct)
- To limit the number of pollinators attracted to the flowers
Which feature do wind-pollinated flowers typically possess to aid in the dispersal of pollen grains by wind?
Which feature do wind-pollinated flowers typically possess to aid in the dispersal of pollen grains by wind?
- Multiple ovules in each ovary
- Highly scented petals to attract insects
- Large and sticky stigma to capture pollen grains
- Exposed stamens for easy pollen dispersal (correct)
Why do wind-pollinated flowers usually have a single ovule in each ovary?
Why do wind-pollinated flowers usually have a single ovule in each ovary?
- To allow better focus on attracting wind currents for pollination
- To prevent wastage of pollen grains (correct)
- To conserve energy by producing fewer ovules
- To reduce the chances of successful pollination
What is a common characteristic of flowers undergoing water pollination?
What is a common characteristic of flowers undergoing water pollination?
What aspect did the individual emphasize in his work related to the reproductive capacity of flowering plants?
What aspect did the individual emphasize in his work related to the reproductive capacity of flowering plants?
How long can some seeds remain alive after dispersal?
How long can some seeds remain alive after dispersal?
Why is pollination by water rare in flowering plants compared to wind pollination?
Why is pollination by water rare in flowering plants compared to wind pollination?
What distinguishes pollination in lower plant groups, such as algae and bryophytes, from that in flowering plants?
What distinguishes pollination in lower plant groups, such as algae and bryophytes, from that in flowering plants?
Which of the following did the individual's work NOT involve in terms of reproductive capacity of flowering plants?
Which of the following did the individual's work NOT involve in terms of reproductive capacity of flowering plants?
How many eggs are typically present in an embryo sac of a flowering plant?
How many eggs are typically present in an embryo sac of a flowering plant?
In what way did the individual contribute to school education, specifically biology textbooks?
In what way did the individual contribute to school education, specifically biology textbooks?
Which of the following honors was NOT bestowed upon the individual for his work on the reproductive capacity of flowering plants?
Which of the following honors was NOT bestowed upon the individual for his work on the reproductive capacity of flowering plants?
Which plant category is known for containing fruits with thousands of tiny seeds?
Which plant category is known for containing fruits with thousands of tiny seeds?
What did the individual's work on test tube fertilization primarily focus on?
What did the individual's work on test tube fertilization primarily focus on?
In a typical flower, how many ovaries are usually present?
In a typical flower, how many ovaries are usually present?
Which plant species had a 2000-year-old viable seed discovered near the Dead Sea?
Which plant species had a 2000-year-old viable seed discovered near the Dead Sea?
Why does the passage mention the beauty of flowers and their scents in relation to sexual reproduction?
Why does the passage mention the beauty of flowers and their scents in relation to sexual reproduction?
Which plant had a viable seed excavated from Arctic Tundra that germinated after an estimated 10,000 years of dormancy?
Which plant had a viable seed excavated from Arctic Tundra that germinated after an estimated 10,000 years of dormancy?
Flashcards are hidden until you start studying
