Chapter 7 Introduction to Microbiology

Chapter 7 Introduction to Microbiology Question 1. Rewrite the following statements using correct of the options and explain the completed statements. (gluconic acid, coagulation, amino acid, 4% acetic acid, clostridium,…

Chapter 6 Animal Classification

Chapter 6 Animal Classification Question 1. a. I am diploblastic and acoelomate. Which phylum do I belong to ? Answer: I am from phylum Cnidaria or Coelenterata. b. My body…

Chapter 5 Towards Green Energy

Chapter 5 Towards Green Energy Question 1. Remake the table taking into account relation between entries in three columns. I II III Coal Potential energy Wind electricity plant Uranium Kinetic…

Chapter 4 Environmental management

Chapter 4 Environmental management Question 1. Reorganize the following food chain. Describe the ecosystem to which it belongs. Grasshopper – Snake – Paddy field – Eagle – Frog. Answer: Correct…

Chapter 1 Heredity and Evolution

Chapter 1 Heredity and Evolution Question 1. Complete the following diagram. Answer: Question 2. Read the following statements and justify same in your own words with the help of suituble…

Chapter 9 Carbon Compounds

Chapter 9 Carbon Compounds Question 1. Match the pairs. Group A Group B a. C2H6 1. Unsaturated hydrocarbon b. C2H2 2. Molecular formula of an alcohol c. CH4O 3. Saturated…

Chapter 8 Metallurgy

Chapter 8 Metallurgy Question 1. a. Alloy of sodium with mercury. Answer: Silver amalgam. b. Molecular formula of common ore of aluminium. Answer: Al2O3.nH2O c. The oxide that forms salt…

Chapter 7 Lenses

Chapter 7 Lenses Question 1. Match the columns in the following table and explain them: Column 1 Column 2 Column 3 Farsightedness Nearby object can be seen clearly Bifocal  lens…