QUESTION BANK PDF

QUESTION BANK SECTION A Q.1 Select and write the correct answer: [1 MARK EACH] (i) Red algae is red due to the presence of _________ pigment. a] phycocyanin b] phycoerythrin c] anthocyanin...

QUESTION BANK SECTION A Q.1 Select and write the correct answer: [1 MARK EACH] (i) Red algae is red due to the presence of _________ pigment. a] phycocyanin b] phycoerythrin c] anthocyanin d] phytochrome (ii) ____________ is a secretory organ of the cell. a] Cell wall b] Nucleus c] Vacuoles d] Golgi complex (iii) When a living being loses its capacity to perform metabolism, it ______. a] dies b] grows c] develops d] ages (iv) ‘Organ of Bojanus’ means a] lungs b] liver c] kidneys d] gills (v) Tonoplast is a semipermeable membrane found in _______. a] lysosome b] vacuoles c] golgi complex d] peroxisomes (vi) The primary function of stem is ____. a] to bear and expose leaves to sunlight b] to anchor the plant in soil c] to absorb water and mineral salts from the soil d] to help in vegetative reproduction (vii) Leech belongs to Phylum __________. a] Arthropoda b] Mollusca c] Annelida d] Aschelminthes (viii) The mode of arrangement of leaves on the stem and the branch is known as ______. a] vernalization b]vernation c] venation d] phyllotaxy (ix) Plasma membrane is a fluid structure due to presence of a] Carbohydrates b] Lipid c] Glycoproteins d] Polysaccharide (x) Fruit developing from hypanthodium inflorescence is __________. a] syconus b] sorosis c] etaerio d] pseudocarp (xi) Bryophytes are ___________. a] first successful land plants b] vascular cryptogams c]non vascular cryptogams d] vascular embryophytes (xii) Find the odd man out. a] Metabolism b] Reproduction c] Responsiveness d] Sleeplessness (xiii) The salient feature of Arthropoda is a] soft-bodied animals b]Presence of gastrovascular cavity c] Presence of jointed appendages d] Presence of setae (xiv) ____________ is called suicide bag of the cell. a] Oxysosome b] Plastid c] Lysosome d] Golgi complex (xv) Which one of the following do not find place in five kingdom system of classification? a] Bacteria b] Lichens c] Cyanobacteria d] Viruses (xvi) Which of the following set of organelles contain DNA? a] Mitochondria, Peroxisome b] Plasma membrane, Ribosome c] Mitochondria, Chloroplast d] Chloroplast, Dictyosome (xvii) Angiosperms differ from Gymnosperms in having __________. a] Vessels in wood b] Mode of nutrition c] Siphonogamy d] Enclosed seed (xviii) A flower that can be divided into two equal halves in one plane only is ________. a] actinomorphic b] zygomorphic c] regular d] asymmetric (xix) Which statement is true for algae? a] Algae have root, stem and leaves b] Algae have true roots, but lack leaves c] Algae have rhizoid and leaves d] Algae have thalloid plant body (xx) In taxonomic hierarchy, the highest category is ___________. a] division b] family c] genus d] kingdom Q.2 Answer the following [1 MARK EACH] (i) Which bacteria are found in the gut of ruminants? (ii) Why are bryophytes called amphibians of the plant kingdom? (iii) Why root is called positively geotrophic? (iv) What is the name of the phylum that shows water vascular system? (v) What is nucleoid? (vi) Where are chromosomes present in the cell? (vii) Name the cell organelle which is found only in plant cell. (viii) What is ecdysis? (ix) Name the first vascular plants. (x) Define flora. (xi) Give any two examples of Gymnosperms. (xii) Define placentation. (xiii) Give two examples of unicellular organisms. (xiv) Explain the term Perianth. (xv) What is plasmodesmata? (xvi) Define apocarpous pistil. (xvii) Which phylum forms a connecting link between non-chordates and chordates? (xviiii) Name the longest cell in the human body. (xix) Define Parthenocarpic fruit. (xx) How is a compound leaf different from a simple leaf? SECTION B [2 MARKS EACH] Q.1 Give the distinguishing features of Phylum Ctenophora(any four). Q.2 Girth of a Maize plant does not increase over a period of time. Justify. Q.3 Sketch and label Chlamydomonas. Q.4 What are coralloid roots? Q.5 Match the group of bacteria with their respective shapes : A B 1. Coccus a. Rod shaped 2. Bacillus b. Spiral 3. Vibrio c. Spherical 4. Spirillum d. Comma shaped Q.6 a. Give any two examples of Phylum Annelida b. Name the locomotory organs present in Phylum Annelida. Q.7 Enlist the tools of maintaining biodiversity records. Q.8 Draw a neat labelled diagram of Nephrolepis. Q.9 Distinguish between Racemose and Cymose inflorescence. Q.10 Write a note on centrioles. Q.11 Explain the terms: a. Taxonomy b. Family Q.12 Give parasitic adaptations in Liverfluke. Q.13 Enlist the postulates of Modern cell theory. Q.14 Name the two invertebrate phyla in which closed circulatory system is present. Q.15 Distinguish between Dicot plants and Monocot plants (any four points). Q.16 Students observed large leaves of coconut and small leaves of Mimosa. Teacher asked in what way they are similar. Q.17 Draw a neat labelled diagram of Golgi apparatus. Q.18 Write a short note on ‘Key’. Q.19 Describe the sexual dimorphism characters of Ascaris. Q.20 What are the functions of Endoplasmic Reticulum.  Q.21 Complete the flow chart: Transport vesicle Golgi apparatus Autophagy Q.22 From the given diagram identify P, Q, R & S. SECTION C [3 MARKS EACH] Q.1 a. Sketch and Label Sycon. b. Give the functions of spicules. Q.2 Distinguish between group Hepaticae & group Musci. Q.3 Explain the typical leaf structure. Q.4 Give the general characteristics of Gymnosperms. Q.5 Describe the gynoecium of flowers. Q.6 a. Sketch and label the ultrastructure of nucleous. b. Define nucleoplasm. Q.7 Match the following: PHYLUM CHARACTERS 1. Annelida a. Tube feet 2. Mollusca b. Ostia 3. Ctenophora c. Legs 4. Porifera d. Radula 5. Echinodermata e. Parapodia 6. Arthropoda f. Comb plates Q.8 Mention unique features of phylum Platyhelminthes. Q.9 Describe the parts of typical stamen. Q.10 Explain the structure of seed. Q.11 Explain the life cycle of moss. Q.12 Explain the terms: a. Hypogyny b. Perigyny c. Epigyny Q.13 Give the functions of the cell wall. Q.14 Explain the terms: a) Radially symmetrical animals b) Bilateral symmetrical animals. c)Asymmetrical animals. Q.15 Write a short note on Glyoxysomes. Q.16 Distinguish between the plant cell and the animal cell.  SECTION D [4 MARKS EACH] Q.1 Describe the accessory whorls of a flower. Q.2 a. Draw a labelled diagram of Funaria. b. Give the economic importance of Mosses. Q.3 What are the salient features Angiosperms? Give any 4 examples. Q.4 Describe the structure of a typical root. Q.5 Describe the structure and function of Mitochondria. Q.6 Differentiate between a prokaryotic and eukaryotic cell. Q.7 Distinguish between class Chlorophyceae & class Phaeophyceae. Enlist the examples of Rhodophyceae Q.8 a. Write any four peculiar characters of phylum Hemichordata. b. Identify any four labels from the given diagram. Q.9 Give salient features of phylum porifera. Q.10 Describe the structure & functions of chloroplast. Q.11 a. Define Aestivation. b. Explain any three different types of aestivation. Q.12 Write a short note on cilia & flagella. Q.13 Give the characteristics of phylum which shows water vascular system. Q.14 What is placentation? Describe the types of placentation.