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’?
Plants are autotrophic. Can you think of some plants that are partially heterotrophic?
Concept: Kingdom Plantae
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: Kingdom Plantae
What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Concept: Kingdom Animalia
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: Kingdom Animalia
Prepare a list of some animals that are found parasitic on human beings.
Concept: Kingdom Animalia
Name the three basic tissue systems in the flowering plants. Give the tissue names under each system
Concept: Anatomy and Functions of Different Parts of Flowering Plants
How is the study of plant anatomy useful to us?
Concept: Anatomy and Functions of Different Parts of Flowering Plants
Mark the odd one in each series:
(a) Areolar tissue; blood; neuron; tendon
(b) RBC; WBC; platelets; cartilage
(c) Exocrine; endocrine; salivary gland; ligament
(d) Maxilla; mandible; labrum; antennae
(e) Protonema; mesothorax; metathorax; coxa
Concept: Introduction of Structural Organisation in Animals
Match the terms in column I with those in column II:
| Column I | Column II | ||
| a | Compound epithelium | 1 | Alimentry canal |
| b | Compound eye | 2 | Cockroach |
| c | Septal nephridia | 3 | Skin |
| d | Open circulatory system | 4 | Mosaic vision |
| e | Typhlosole | 5 | Earthworm |
| f | Osteocytes | 6 | Phallomere |
| g | Genitalia | 7 | Bone |
Concept: Introduction of Structural Organisation in Animals
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: Cell: the Fundamental Unit of Life
Cell is the basic unit of life. Discuss in brief.
Concept: Cell: the Fundamental Unit of Life
Discuss with your teacher about haploid insects and lower plants where cell-division occurs,
Concept: Introduction of Cell Division
Discuss with your teacher about some haploid cells in higher plants where cell-division does not occur
Concept: Introduction of Cell Division
Can there be DNA replication without cell division?
Concept: Introduction of Cell Division
What are respiratory substrates?
Concept: Respiration in Plant
Name the most common respiratory substrate.
Concept: Respiration in Plant
Differentiate between Respiration and Combustion
Concept: Respiration in Plant
