11th Biology : Important Question
Chapter 1 : The Living World : -
1. What is two Kingdom Classification ? Write their Names.
2. What are the two main contributions of Carolus Linnaeus ?
3. What are demerits of five kingdom classification ?
4. What are Viruses ? Write living and non-loving character of viruses.
5. Define Taxon and Categories.
Chapter 2 : Biological Classification :-
1. Draw Labelled Diagram of a Bacterial cell.
2. Write Difference between algae and fungi ?
3. What are Virus and Viroids ?
4. Write the main characteristics of kingdom Protista.
5. What do you mean by Sulphur bacteria ?
Chapter 5: Morphology in Flowering plants : -
1. What is Importance of Plant Morphology for their classification ?
2. Write floral formula of a actinomorphic, bisexual, hypogynous flower with five united sepals , five free petals, five free stamens and two united carpels with superior ovary and axile placentation.
3. Describe the arrangement of floral member in relation to their insertion on thalamus.
4. Explain general characteristics of respiratiory roots and phylloclade stem. Explain with example.
5. Type of root. What are modification of root ? What type of root modification found in.
a) Banyan tree
b) Turnip
c) Mangroove
6. Write the difference between Hypogynous and Perigynous ovary.
Chapter 6 : Anatomy of Flowering plants
1. Difference between Monocot leaf and Dicot leaf.
2. What is meant by endarch and exarch xylem ?
3. State the location and function of different types of Meristem .
4. Difference between Dicot Root / Stem and Monocot Root / stem ?
5. Explain the process of secondary growth in the stems of woody angiosperm with the help of schematic diagrams. What is it's significance. ?
Chapter : 7 : Structural Organisation in Animals : -
1. What is the Function of Nephridia ? How many type of Nephridia found in Earth worm.
2. Draw a labelled diagram of the reproductive organs of an earthworm.
3. Describe the various type of epithelial tissue with the help of labelled diagrams.
4. What is Lymph ? Write function's of lymph .
5. Difference between Cardiac Muscle and Striated Muscle.
Chapter 8 : Cell Unit of Life :-
1. What is called Protein Factory. It's important features.
2. Structure of Plant cell and Animal cell.
3. Describe the structure and function of chloroplast.
4. What are function of Lysosomes, Cilia and mitochondria.
5. What is Somatic type hybridisation. What are it's advantages ?
Chapter - 9 : Biomolecules :-
1. Draw the structure of the Amino Acid.
2. Proteins used as therapeutic agents. Find other applications of this proteins.
3. Illustrate a glycosidic, Peptide and a phosphodiester bond.
4. General formula and Properties of carbohydrates. write their Application also.
5. Explain the Composition of Triglyceride.
6. Write Important use of Carbohydrates ?
7. Explain Primary, Secondary and tertiary structure of protein.
Chapter -10 : Cell Division :-
1. Differentiate between event of Mitosis and Meiosis ?
2. Give Description of Meiosis cell division process with labelled diagram.
3. What is a) Somatic type Cell Division. b) Crossing Over and it's significance.
4. Describe Mitosis cell division along with Diagrams.
5. Mitotic cell division in plant cell and animal cell.
Chapter - 11 : Transport In Plants :-
1. How is mychorrhizal association helpful in absorption of water and minerals in plants ?
2. Define ascent of sap ? Which part of the plant body is involved in ascent of sap?
3. Opening and closing structure of stomata.
4. Explain the opening and closing of K+ ion transport hypothesis of stomatal opening ?
5. Define the water potential.
Chapter 12 : Mineral Nutrition :-
1. Write symptoms of nitrogen deficiency in plants .
2. Write the effects of potassium deficiency in plants.
3. Write the function of the following micro-nutritive elements related to plants : Manganese, Boron, Copper, Zinc.
4. Give four general importance of mineral Salt's.
5. Why Rhizobium are important ?
Chapter - 13 : Photosynthesis :-
1. In Which light Photosynthesis takes place maximum and why ?
2. What are differences between C³ pathway And C4 pathway.
3. Difference between Cyclic and Non Cyclic photophosphorylation.
4. Give Equation for photosynthesis.
5. Write the difference between light reaction and dark reaction.
Chapter - 14 : Respiration in Plants :-
1. What is aerobic Respiration ? Explain with example .
2. Explain Glycolysis Including it's Various Steps.
3. Explain Electron transport System.
4. What is respiratory substrates ? Name the most common respiratory substrate.
5. What is significance of yeast in fermentation .
Chapter - 15 : Plant Growth and Development :-
1. What is growth inhibitor hormone? Write it's two function's.
2. Write any four Function of cytokinin hormone.
3. What are function of Auxin.
4. Give main function of ethylene hormone .
Chapter - 16 : Digestion and Absorption :-
1. Write the Name of four Water Soluble Vitamins .
2. What is Vitamin 'A and where it is found ?
3. How are Polysaccharides and Disaccharides digested.
4. Why Bile Juice is important for digestion.
Chapter - 17 : Respiration and Exchange of Gases :-
1. Name the Organ Produces Sound.
2. Give four difference between Aerobic and Anaerobic respiration.
3. What happens to the respiratory process in a man going up a hill ?
4. What is Respiratory Quotient ( RQ ) .
Chapter - 18 : Body Fluid and Circulation :-
1. What are the Functions of valves in Heart.
2. What is Pericardium ?
3. Write the difference between Open Circulatory system and Closed Circulatory system.
4. Why do we consider blood as a connective tissue ?
Chapter - 22 : Chemical Coordination and Integration : -
1. Which Hormone is called delivery hormone ?
2. Name two diseases caused by hyposecretion of thyroxine.
3. What are sex hormones ? Describe any two sex hormones.
4. What is the effect of hypersecretion of thyroid on human life ?
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