Question

1. What is an angiosperm? 2. Monocot/dicot leaves: a. The opening in the bottom of a leaf is called the and the cells surrounding it that control the size of the opening are called b. Look at the previous question. What is the function of this opening? and food (sugar) c. In leaf veins, water is transported through the is transported through the d. The waxy layer that protects leaves from water loss is the e. In dicot leaves, the column-like leaves just below the upper epidermis make up the These cells contain many the organelles in which photosynthesis occurs. 3. Reproductive structures in angiosperms: are typically large colorful structures whose function is to attract a. pollinators. b. The is the structure at the base of the carpel where ovules are produced. C. Indicate if each structure is male (M) or female (F): i. Style iv. Stigma ii. Stamen V. Anther iii. Filament vi. Carpel d. Fertilized ovules develop into and ovaries develop into 4. Give two examples of pollinators. 5. What is inside of a seed? 6. Why is it important for a parent plant to move its seeds far away from itself?

Answer 1

Ans-1 Angiosperms are the most diversified plants that are also known as flowering plants. These plants also produces seeds and have vascular tissues. The reproductive structures of these plants are known as flowers.

Ans-2 a- These openings on the lower side of leaves are known as Stomata as they offer gaseous exchange between the plants and the cells which surrounds such pores for controlling the size are known as Guard cells.

b- The function of opening known as Stomata is gaseous exchange or diffusion of gases.

c- In leaf veins, water is transported through xylem vessels while food is transported through phloem.

d- The waxy layer that protects the leaves from water loss are Cuticle.

e- These are Palisade mesophyll parenchyma cells that are present just below the upper epidermis. They contain organelles known as chloroplast which help in photosynthesis.

3- a- Petals( Corolla ) are the large colour ful structures which attracts the pollinators.

b- Ovary is the structure at the base of the carpel where ovules are produced.

c- Style- F , Stamen- M , Filament- M , Stigma- F, Anther- M and Carpel- F.

d- Fertilized ovules develops into Seeds and ovaries develop into fruits.

Ans-4 Two examples of pollinators are-

1 - Honey Bees

2- Birds.

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