NEETGRADE - Biology NOTES and MCQs

Introduction The phylum Echinodermata consists of fascinating marine animals known for their distinctive spiny body structure. Exclusively marine, these creatu…

Introduction The phylum Mollusca is the second-largest animal phylum ( Kingdom Animalia ). Molluscs can be found in both terrestrial and aquatic environments, …

Introduction Phylum Arthropoda is the largest and most diverse phylum in the Animal Kingdom , encompassing a vast array of species, including insects. Over t…

Phylum Annelida includes a diverse group of organisms commonly known as segmented worms. This phylum is characterized by a range of anatomical and physiolo…

Phylum – Porifera Table of Contents Phylum – Porifera Characteristics of Phylum Porifera Water Transport Sys…

1. Which scientist demonstrated that viruses  could be crystallized?     a. Dmitri Ivanowsky       b. M.W. Beijerinek       c. W.M. Stanley…

1 Which of the following groups are included under Kingdom Protista ? a) Chrysophytes, Dinoflagellates, Euglenoids, Slime moulds, Protozoans  …

1. Assertion (A): Bacteria exhibit the most extensive metabolic diversity among all   organisms.    Reason (R): Some bacteria are autotrophic, while othe…

1. Who was the first to attempt a more scientific basis for classification of organisms?     a. Aristotle       b. Linnaeus       c. R.H. Whittaker   …