Botany
Occurrence It is common in soil water. Its various species live as saprophyte. Some of them live on decaying plant as parasites. The parasitic stage attacks the roots and the seedlings. It causes disease Damping-off. Pyd him debaryanum causes this disease. Some species are
MULTIPLE CHOICE QUESTIONS AND FILL IN BLANKS OF STRUCTURE OF PLANTS PARTS 1. Casparian strips are present in (a) Cortex (b) Epidermis (c) Stele (d) Endodermis 2. The outer most part of the stele consists of one or more layers of parenchymatous cells. The
SHORT QUESTIONS OF STRUCTURE OF PLANT PARTS 1. Differentiate between tap and adventitious roots. Ans: Tap root arise from the embryo. Adventitious root develops from other mature tissues of plant like stem etc. 2. What are root hairs? Give their functions. Ans: A root
SUBJECTIVE QUESTIONS OF STRUCTURE OF PLANTS PARTS 1. Describe structure of root. 2. Give secondary growth in root. 3. Compare monocots and dicot roots 4. Describe structure of stem. 5. Compare monocot and dicot stems. 6. Discuss primary growth in stem. 7. Discuss secondary
DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF STRUCTURE OF PLANTS PARTS
CHARACTERISTICS OF WOOD Wood is a I–41 fibrous tissue found in many plants. It has been used for centuries ice noth fuel and as a construction material. It is composed of 2 natural composite of cellulose fibers (which are strong in tensio .) embedded
Appendix Apiaceae (Umbelliferae) Carrot Family Diagnostic characters Habits: Annual or perennial herbs rarely shrubs. Roots: Tap root, branched, sometimes, tuberous due to presence of stored food. Stem: Herbaceous stem, erect or prostate with swollen nodes. Leaves: Petiolate, Alternate, simple, exstipulate, reticulate venation. Usually sheathing
MULTIPLE CHOICE QUESTIONS OF GYMNOSPERMS 1. Which of the followings is correct for vascular bundle of gymnosperms? (a) Stele (b) Exarch (c) Collateral (d) Conjoint 2. Secondary growth occurs by the activity of: (a) Phloem (c) Xylem (c) Cambium (d) Bark 3. Which of
DEVELOPMENT OF EMBRYO SAC OR FEMALE GAMETOPHYTE Types of embryo Sac Development There we types of embryo sac development. The classification is based on: The number of 9 ses or spore nuclei entering into the formation of embryo sac Thus embryo sac may be
SHORT QUESTIONS OF GYMNOSPERMS 1. Give occurrence of Gymnosperms. Ans: Gymnosperms are naked seeded plants. Gymnosperms are a group of ancient plants. They become dominant in the Jurassic period. Most of the gymnosperms are evergreen trees. Some shrubby plants are also found in this
