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- IELTS Reading Summary Completion
- IELTS Reading True/False/Not Given
- IELTS Reading Sentence Completion
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IELTS Reading Passage – Pollination
Pollination
Plants have developed a broad variety of reproductive strategies over time. Some plants, such as garlic and lilies, reproduce asexually by cutting off new roots or bulbs, or even branches, stalks, or leaves (e.g., mangroves, spider plants). Asexually reproducing plants are basically replicas of themselves. This straightforward reproduction technique allows plants to create new plants relatively quickly and with fewer efforts than they can through sexual reproduction. However, most plants mainly reproduce sexually. From an evolutionary standpoint, the perks include more genetic diversity and better dispersion compared with colonies of clones produced by asexual reproduction. In flowering plants, pollen grains are transferred from the anther to the stigma, where they fertilise the female ovaries and produce seeds.
Some flowering plants, like peas, beans, and tomatoes, can pollinate themselves, but pollination between different plants is more common. This can actually occur either because pollen is carried by the wind (it occurs in most conifers and many grasses) or because of pollinators, which are animals that plants depend on to help move pollen from one plant to the ovaries of another. Although certain bird and bat species also contribute significantly, insects make up the majority of pollinators.
To persuade pollinators to perform their task, plants have developed a variety of tactics. Most plants produce nectar, a sweet mixture that pollinators consume as food. The honeybee, which gathers nectar and pollen for nourishment, is a well-known example. When a bee enters a flower, it rubs against the anther, causing the surface of its body to absorb pollen particles. When the honeybee enters a second flower and rubs against the stigma, some grain from that plant fertilises the second plant’s ovaries, resulting in seeds that include genetic material from the initial plant’s gametes coupled with the second plant’s female reproductive system. A significant proportion of bees, butterflies, and moths, as well as some kinds of bats and birds, are drawn to flowers that produce nectar.
Flowering plants have developed a variety of tactics to attract pollinators or otherwise simplify their job. Flowers with a “landing platform” that are open during the daytime and vibrant in colour—typically red, yellow, or orange—attract butterflies. On the contrary, most moths are active at night and are therefore attracted to flowers that are light in colour or white, have a strong aroma, and have a wide surface area for them to settle on. Long-tongued insects like butterflies and moths have evolved alongside plants that have formed deep pools of nectar that are exclusively accessible to certain species. Hummingbirds are captivated by bold colours, particularly red, and the flowers that entice them also have sturdy stems and are structured in such a way that the pollen may be rubbed across the heads of the little creatures while they drink nectar.
Bees cannot see red; hence, flowers that are pleasing to them are usually blue, yellow, or other hues. Nectar guides, which are specks in each flower’s centre that reflect ultraviolet light and enable the bees to reach the nectar, are another characteristic of several bee attractants. Similarly, flowers with a minty or sweet scent also lure bees. Snapdragons are not only aesthetically appealing to bees, but they are also intended to attract specific bee species: snapdragons possess a landing platform that unfolds if the bee is of appropriate weight, providing access to nectar and pollen.
In agriculture, pollinators play an essential role. For most fruits, vegetables, nuts, and seed crops, farmers must rely on pollinator species, unlike many staple crops like rice, maize, canola, and wheat, which can self-pollinate or be pollinated by the wind. Pollinator animals are essential for the production of more than 30% of all crops around the globe. The most prominent pollinators in agriculture are bees. Crops they pollinate include fruit trees like apples and cherries, vegetables like squash, beans, tomatoes, and eggplant, floral shrubs, seasonal and perennial flowers, forages like clover and alfalfa, and fibre crops like cotton. Other pollinating insects comprise midges (cocoa), wasps (figs), moths (yucca, papaya), butterflies (asters, daisies, marigolds), bats (agave, palms, durians), and even hummingbirds (fuchsia).
Concerns about the future of the food supply have been raised after recent drops in honeybees and other pollinator species across the globe. As a result, several scientists have urged for further research on the function of pollinators, the agricultural and environmental changes responsible for the decreases, as well as the consequences for the economy and the ecosystem, and strategies to stop further losses.
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Recommended Questions:
Renewable Energy IELTS Reading Question with Answer
Pollination IELTS Reading Questions
Questions 1-5
Complete the summary using the list words and phrases below. Write the correct letter, A-I in the numbered 1-5 on your answer sheet.
- pollen
- flowering plants
- roots
- grains
- spider plants
- air
- copies
- fertilisation
- time
The reproduction of plants occurs in different ways. Some plants send out new parts such as 1. _____ or bulbs. These grow into new plants, which are actually 2. _____ of the original plant. The advantage of this form of reproduction is that it does not require a lot of 3. _____ or energy. Many 4. _____ reproduce themselves by forming seeds through the process of pollination. Some plants pollinate through the 5. _____ or animals to carry the pollen from plant to plant.
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Questions 6-10
Do the following statements agree with the information given in the Reading Passage? In the boxes 6-10 of your answer sheet, write
TRUE if the statement agrees with the informationF
ALSE if the statement contradicts the information
NOT GIVEN if the information is not given the passage.
6. Some species of flowers have gradually developed such that they can be pollinated by hummingbirds.
7. If a flower is very attractive but small, the butterfly will use its leaves as a landing surface.
8. Honeybees consume both nectar and pollen.
9. Insects are the key pollinators of the majority of cereals.
10. Almost one-third of the global harvest is dependent on animals for pollination.
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Questions 11-13
Complete the sentences below. Choose NO MORE THAN TWO WORDS from the passage for each answer.
11. Butterflies are attracted to flowers that have ________.
12. Spots near the centre of each flower which helps the bees in finding nectar are called _________.
13. Agave, palms and durians are pollinated by ______.
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Recommended Questions:
Renewable Energy IELTS Reading Question with Answer
Pollination IELTS Reading answers
1. C
2. G
3. I
4. B
5. F
6. TRUE
7. NOT GIVEN
8. TRUE
9. FALSE
10. TRUE
11. landing platform
12. nectar guide
13. bats
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