(a)(i) List the functions of a typical foliage leaf. (ii) Name three types of leaf...
(a)(i) List the functions of a typical foliage leaf.
(ii) Name three types of leaf modifications giving one example in each case.
(b) Make a diagram 8 - 10cm long, of the female reproductive part of a flowering plant and label fully.
(c) Name three plants that are pollinated by insects.
Explanation
(a)(1) Functions of typical foliage leaf are:
-Respiration
-Excretion
-Exchange of gases
-Photosynthesis/manufacture of food
-Transpiration.
(ii) The following are the modifications of leaves and their examples:
(1) For (Food) storage; Onion, Garlic,
(2) Leaf tendrils; Gloriosa
(3) Leaf spines; Cactus, Opuntial Euphorbia,
(4) Leaf Hooks; Bignonia
(5) Vegetative propagation; Bryophyllum
(6)Animal traps; Venus flytrap, Nepenthes/ pitcher plants, Uticularia/ Bladderworts, Sundew, Butterwort, Pinguicula
(7) Protective scale leaves; Onions, Shallots, Canna
(b) Female reproductive part of a flowering plant
(c) Plants pollinated by insects include: Cow pea Nigna unguiculata, Hibiscus, Crotolaria, Flamboyant, Butterfly pea/ Clitoria ternatea, Orchid, Sunflower.