Why are living organisms classified?
Concept: What is Living
What do we learn from identification of individuals and populations?
Concept: What is Living
How is a key helpful in the identification and classification of an organism?
Concept: What is Living
Discuss how classification systems have undergone several changes over a period of time?
Concept: Introduction of Biological Classification
Match the following (column I with column II)
| Column I | Column II | ||
| a | Chlamydomonas | 1 | Moss |
| b | Cycas | 2 | Pteridophyte |
| c | Selaginella | 3 | Algae |
| d | Sphagnum | 4 | Gymnosperm |
Concept: Introduction of Plant Kingdom
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Concept: Introduction of Animal Kingdom
Match the following:
| a | Operculum | (i) | Ctenophora |
| b | Parapodia | (ii) | Mollusca |
| c | Scales | (iii) | Porifera |
| d | Comb plates | (iv) | Reptilia |
| e | Radula | (v) | Annelida |
| f | Hairs | (vi) | Cyclostomata and Chondrichthyes |
| g | Choanocytes | (vii) | Mammalia |
| h | Gill slits | (viii) | Osteichthyes |
Concept: Introduction of Animal Kingdom
Prepare a list of some animals that are found parasitic on human beings.
Concept: Introduction of Animal Kingdom
What is meant by modification of root? What type of modification of root is found in the
(a) Banyan tree
(b) Turnip
(c) Mangrove trees
Concept: Concept of Root
Justify the following statements on the basis of external features
Underground parts of a plant are not always roots
Concept: Concept of Root
Justify the following statements on the basis of external features
Flower is a modified shoot
Concept: Concept of Root
Differentiate between Fibrous root and adventitious root
Concept: Concept of Root
State the location and function of different types of meristems.
Concept: Types of Plant Tissues: Meristematic Tissues
What is the following and where do you find them in animal body?
Ciliated epithelium
Concept: Animal Tissues - Epithelial Tissues
Describe various types of epithelial tissues with the help of labelled diagrams
Concept: Animal Tissues - Epithelial Tissues
Distinguish between Simple epithelium and compound epithelium
Concept: Animal Tissues - Epithelial Tissues
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.
Concept: Concept of Cell
Cell is the basic unit of life. Discuss in brief.
Concept: Concept of Cell
Explain the composition of triglyceride.
Concept: Analyse - Chemical Composition
Can you attempt building models of biomolecules using commercially available atomic models (Ball and Stick models).
Concept: Analyse - Chemical Composition
