Plant structure functions pollination and life cycles. - One Line Questions

1. Self-pollination occurs when pollen is transferred from the anther to the stigma of: — The same flower or another flower on the same plant
2. The process by which plants release water vapor into the atmosphere is called: — Transpiration
3. A plant that completes its life cycle in two growing seasons is called a: — Biennial
4. A plant that lives for many years, often producing flowers and seeds annually, is called a: — Perennial
5. Which structure contains the female gametes (egg cells) in a flower? — Ovule
6. Which part of the flower contains the ovules which develop into seeds? — Ovary
7. Grasses and many trees are typically pollinated by: — Wind
8. The transfer of pollen from the anther to the stigma without the involvement of external agents like wind or insects is known as: — Autogamy
9. Geitonogamy is pollination between: — Different flowers on the same plant
10. Xenogamy refers to pollination between: — Flowers of different plants of the same species
11. Which of the following is a method of seed dispersal? — All of the above
12. The waxy layer on the surface of a leaf that reduces water loss is called the: — Cuticle
13. What is the process of pollen transfer from the anther to the stigma called? — Pollination
14. The process by which a seed sprouts and begins to grow into a new plant is called: — Germination
15. Which type of root system consists of a main, thick taproot with smaller lateral roots branching off? — Taproot system
16. Which part of the stamen contains the pollen grains? — Anther
17. The stalk that supports the anther is called the: — Filament
18. The process of spreading seeds away from the parent plant is known as: — Seed dispersal
19. What is the term for the complete life cycle of a flowering plant, from seed to seed production? — Plant life cycle
20. The sticky tip of the pistil that receives pollen is called the: — Stigma
21. Which part of the flower develops into a seed after fertilization? — Ovule
22. The process where a plant produces seeds without fertilization is called: — Apomixis
23. The part of the flower that protects the bud before it opens is called a: — Sepal
24. Which tissue in plants is responsible for transporting water and dissolved minerals from the roots to the rest of the plant? — Xylem
25. What is the primary function of the root system in a plant? — Absorption of water and minerals, and anchorage
26. The male reproductive part of a flower is called the: — Stamen
27. The part of the seed that develops into the root system of the new plant is called the: — Radicle
28. What is the fusion of male gamete with the female gamete called? — Fertilization
29. The growth of a pollen tube from the pollen grain to the ovule is essential for: — Fertilization
30. The part of the seed that develops into the shoot (stem and leaves) of the new plant is called the: — Plumule
31. Which part of the plant is responsible for photosynthesis? — Leaf
32. After fertilization, the ovary of a flower typically develops into a: — Fruit
33. In many seeds, the stored food for the embryo is found in the: — Cotyledons or Endosperm
34. In the life cycle of a typical flowering plant, which stage follows fertilization? — Seed formation
35. Which part of the flower is typically brightly colored to attract pollinators? — Petal
36. Plants that rely on water for pollination often have: — No petals or sepals
37. The female reproductive part of a flower is called the: — Pistil
38. What are the essential requirements for seed germination? — Water and suitable temperature
39. Which plant part is a modified stem that stores food? — Tuber
40. Which type of root system has many thin, branching roots of similar size arising from the base of the stem? — Fibrous root system
41. Cross-pollination occurs when pollen is transferred from the anther of one plant to the stigma of: — A flower on a different plant of the same species
42. What is the main function of a stem? — To support leaves, flowers, and fruits, and transport water and nutrients
43. What is the primary role of stomata on a leaf? — To regulate gas exchange (CO2 intake, O2 release) and transpiration
44. What is the primary function of petals in entomophilous (insect-pollinated) flowers? — To attract pollinators
45. What is the function of the cotyledon in a germinating seed? — To provide nourishment to the embryo
46. What is the function of the endosperm in a seed? — To provide nourishment to the developing embryo
47. The arrangement of leaves on a stem is called: — Phyllotaxy
48. Which of the following is a common pollinating agent for plants? — All of the above
49. Plants with brightly colored, fragrant flowers and sticky pollen are usually pollinated by: — Insects
50. Which tissue in plants is responsible for transporting sugars produced during photosynthesis from the leaves to other parts of the plant? — Phloem
All One Line Questions
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