TEST BIOLOGY

TEST BIOLOGY

1.         What is heterophylly?

2.         How is a fruit defined?

3.         What is pulvinus?

4.         Name two layers of seed coat.

5.         What is hilum?

SECTION-B

6.         What are endospermic seeds? Give two examples.

7.         Differentiate between fibrous roots and adventitious roots.

8.         What stilt roots? Give two examples.

SECTION-C

9.         What is phyllotaxy? Describe the kind of phyllotaxy in mango, mint and Nerium.

10.     What are pneumatophores? How do they help the plant? Name an example.

11.     Define venation. Differentiate between reticulate and parallel venation.

SECTION -D

12.     Describe the various types of placentation in flowering plants.
13.   Differentiate between monocot and dicot seeds with the help of  examples.Draw the diagrams of monocot and dicot seeds.