OBJECTIVES
saadiaOBJECTIVES Multiple Choice Questions MCQs 1. Portuguese man of war is: (a) Hydra (b) Physalia (c) Sea anemone (d) 550 Jelly fish 2. Multicellular organisms formed year ago: (a) 400 …
Poaceae (GFTAMINEAE) (Monocot) – Grass Family characteristics and floral diagram
sidraPoaceae (Grass Family) Diagnostic characters Habit: Annual or perennial herbs; rarely tree (bamboos. Roots: Fibious adventitidus. Stem: Herbaceous; cylindrical; jointed, hollow at intemodes. Sometimes, forms rhizome or runner. Leaves: Sessile…
FAMILY 13: LILIACEAE (Monocot Family)
(Onion Family) Diagnostic characters I. Habit: Mostly annual or biennial herbs. Some plants are xerophytic. Roots: Fibrous adventitious roots. In some cases roots become tuberous. Stem: Herbaceous; fleshy in…
Asteraceae (Compositae) Floral formula , characters & importance
(ASTERACEAE (COMPOSITAE) Sunflower Family) Diagnostic characters Habit: Annual or perennial herbs or small shrubs or small tree or climbers. Roots: Fibrous tap root Stein: Herbaceous; spiny or without spines; cylindrical,…
Type: Volvox – Occurrence , Structure & Reproduction
abidaOccurrence Volvox is freshwater algae. It makes water green. It appears in the spring. General structure Vegetative structure Volvox forms colony. The colony of volvox is called coenobium. It is…
Type Chlamydomonas structure , occurrence & reproduction
Kingdom: Plantae Division: Chlorophyta Class: Chlorophyceae , Order: Volvocales Family: Chlamydomonadaceae Genus: Chlamydomonas algae كلاميدوموناس Occurrence Chlamydomonas has 150 species. It is the commonest unicellular Volvocales. It is one of the…
ECOLOGICAL ENERGETIC
sanaThe flow of energy through an ecosystem is called ecological energetic. Energy is the ability to do some work. The sun emits light and other types of radiation. Some of…
Family 11 : Lamiaceae (LABIATAE) – characters , importance , pattern
(Mint Family) Diagnostic characters Habit: Annual herbs or rarely shrubs. Roots: Tap root Stem: Herbaceous; quadrangular; glandular hairs are present. Leaves: Petiolate; opposite and decussate; simple; exstipulate; Inflorescence: Verticillaster (opposite…
DIVISION CHLOROPHYTA
Occurrence: Majority members of this class are freshwater. are found in ponds, lakes, streams, moist rocks and damp plat Some species are marine. Vegetative structure: They have variety of vegetative…
Kingdom Protista : Algae kingdom Occurrence , Structure and Reproduction
Algae Kingdom Occurrence Algae are aquatic plants. They are both freshwater and marine. Freshwater includes ponds, streams, moist rocks and bark of trees. Marine forms are present from sea shore…