Category: Biology

Microsporogenesis in Angiosperms Microsporangium The terminal part of the stamen bears the anther.  It consists of two lobes.  Each lobe has two chambers or loculi, called the pollen sacs …

Structure of Ovule The ovule is a multicellular oval-shaped structure which originates from the placenta and lies inside the chamber of the ovary.  Each chamber may consist of one …

Mechanism of Opening and Closing of Stomata MECHANISM OF TRANSPIRATION  Water is absorbed by the roots and is conducted upwards through the xylem vessels.  Water from the stem enters …

Platyhelminthes (The Flat Worms ) MCQ (Multiple Choice Questions and Answers) A) Monoecious B) Vitelline glands C) Flat animals D) Flame cells Answer : D A) Diploblastic B) Triploblastic …

Coelenterata and Ctenophora MCQ (Multiple Choice Questions and Answers) A) Arthrology B) Splanchnology C) Cnidology D) Nidology Answer : C A) Hydra B) Spongilla C) Dugesia D) None of …

Porifera MCQ (Multiple Choice Questions and Answers) A) Protozoology B) Parazoology C) Nematology D) Helminthology Answer : B A) Water vascular system B) Canal system C) Circulating system D) …

Important Terms and Classification of Animals MCQ (Multiple Choice Questions and Answers) A) Phytoplankton B) Zooplankton C) Nekton D) Pelagic Answer : B A) Nekton B) Benthos C) Plankton …

Kingdom Plantae (Metaphyta) MCQ (Multiple Choice Questions and Answers) A) Ulothrix B) Spirogyra C) Chlamydomonas D) All the above Answer : C A) Chlamydomonas snowiae B) Chlamydomonas nivalis C) Both A …

Kingdom Fungi MCQ (Multiple Choice Questions and Answers) A) Cellulose B) Chitin C) Pectin D) Hemicellulose Answer : B A) Parasitic B) Saprophytic C) Symbiotic D) Autotrophic Answer : …

Kingdom Protista MCQ (Multiple Choice Questions and Answers) A) Unicellular procaryotes B) Unicellular eucaryotes C) Bacteriophages D) Blue-green algae Answer : B A) Euglenoids B) Zooflagellates C) Methanogens D) …