1. The sexual reproductive part of a flowering plant which may produce fruits and seeds is the
Answer: flower.
2. The part of the shooting system of a plant where gametes are produced is known as
Answer: flower.
3. Flowers have many different shapes and sizes, and there are many variations in
Answer:
· colour
· number of flower parts
· arrangement of flower parts.
4. The pedicel is also called
Answer: flower stalk.
5. What structure connects the flower to the stem?
Answer: The flower stalk or pedicel.
6. The uppermost part of the pedicel which is wider is known as the
Answer: receptacle.
7. The region of the flower stock to which the flower parts are attached is known as the
Answer: receptacle.
8. All the floral whorls arise from the
Answer: receptacle.
9. A flower consists of four whorls which forms a ring. List them.
Answer:
· Calyx (sepals)
· Corolla (petals)
· Androecium (stamen)
· Gynoecium (pistil).
10. The whorl which lies outside is the
Answer: calyx.
11. The whorl which lies inside of the calyx is the
Answer: corolla.
12. The whorl which is enclosed by the corolla is the
Answer: androecium.
13. The whorl which lies at the centre of a flower is the
Answer: gynoecium.
14. The outermost whorl of a flower is the
Answer: calyx.
15. The calyx consists of three to five sepals which are green in colour and look like
Answer: green leaves.
16. The sepals may be free from each other in some plants as in
Answer: radish.
17. An example of a plant whose sepals are fused to form a cup is
Answer: china rose.
18. The corolla is found on the inside of the
Answer: calyx.
19. The corolla is the most conspicuous part of the flower because it is usually
Answer: white or brightly coloured.
20. The corolla consists of a number of petals which are usually brightly coloured and larger than
Answer: sepals.
21. The petals may be separate or
Answer: fused.
22. The androecium forms the whorl on the inside of the
Answer: corolla.
23. Androecium consists of
Answer: stamens.
24. The male reproductive parts of a flower are known as
Answer: stamens.
25. Each stamen consists of an anther which is supported by a slender flexible stalk called the
Answer: filament.
26. The male reproductive organ in the flower is the
Answer: anther.
27. Each anther is made up of four pollen sacs in which
Answer: pollen grains are formed.
28. Fine, powdery, granular structures which contain the male gametes are known as
Answer: pollen grains.
29. The innermost whorl of the flower is the
Answer: gynoecium.
30. The gynoecium consists of one or more pistils or
Answer: carpels.
31. The female reproductive parts of a flower are known as
Answer: carpels.
32. Each carpel or pistil is made up of the stigma, an ovary and the
Answer: style.
33. The part of a flower which is structurally adapted to receive the pollen grains is the
Answer: stigma.
34. The part of a flower which contains the ovules is the
Answer: ovary.
35. The female gametes of a flower develop in the
Answer: ovules.
36. The part of a flower which connects the stigma to the ovary is the
Answer: style.
37. The structure that protects the flower at the bud stage and supports the inner whorls is the
Answer: sepals.
38. Brightly coloured petals and the presence of nectar attract animal pollinators to aid
Answer: pollination.
39. Petals protect and support the inner
Answer: whorls.
40. The structure in flowers which produces pollen grains is the
Answer: anther.
41. The male gamete for pollination are known as
Answer: pollen grains.
42. Which structure in flowers supports the anther?
Answer: Filament.
43. The structure in flowers that receives pollen grains during pollination is the
Answer: stigma.
44. The structure in flowers which protects the ovules that contain the female gametes is the
Answer: ovary.
45. Which structure in flowers supports the stigma? The
Answer: style.
46. There are two basic types of flowers. List them.
Answer:
· Bisexual flowers
· Unisexual flowers
47. Bisexual sexual flowers are also called
Answer: hermaphroditic flowers.
48. The type of flowers that has both male and female reproductive parts present in the plant are called
Answer: bisexual flowers.
49. Bisexual flowers possess both androecium and
Answer: gynoecium.
50. List four examples of plants that produce bisexual flowers.
Answer:
· Flamboyant
· Pride of Barbados
· Crotalaria
· Hibiscus
51. Unisexual flowers are flowers that have only one of the
Answer: reproductive parts.
52. Unisexual flowers may have either the male reproductive part (androecium) or the
Answer: female reproductive part (gynoecium).
53. When a unisexual flower has only the androecium, it is described as
Answer: staminate.
54. When a unisexual flower has only the gynoecium, it is described as carpellate or
Answer: pistillate.
55. List three example of plants that produce unisexual flowers.
Answer:
· Water melon
· Pawpaw
· Paretusa