भारत व बस्तर

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,  h...

Chapter 1  : Biodiversity And Classification :  - 1.   Write Important features of - Kingdom Monera,  Kingdom Pratista and Kingdom fungi.  2.  Difference between Amphibians and Reptiles.  3.  Difference between Angiosperms and Gymnosperm.   4.  What are the Basis of Five Kingdom of Classification. ? 5.  What are Nonchordata and Chordata.  6.  Diagram of a Prokaryotic cell.   Chapter 2  : Matter : Nature and Behavior : - 1.  Define Mixture , Saturated Solution and Colloids   ?  2.  What is common Salt ?  Element,  Mixture or Compound ? Explain . 3.  What is Brownian Motion.  Explain Tyndall Effect.  4.  200  g of washing soda is dissolved in 1Kg water to form a solution.  Calculate the concentration of this solution in percent.   5. What is  Suspension  ? Give Example.  Chapter 3  : Atomic structure :...

Chapter 1  : Sexual Reproduction in flowering plants   : - 1.   What is cleistogamous flowers ?  ( 1M )  2.   Which Substance is found in exine of pollen grain  ?  ( 1M  ) 3.  Which Part of flowers develop into Fruit ?  Explain Part of flowers.  ( 1M  ) 4. Why  Apple is called a false fruit  ?  ( 2M ) 5.  What is microscopic pollengrain tetrad  ?   ( 2M ) 6.  Write the main function of Tapetum ?  ( 2M  )  7.  Draw a  well labelled diagram of L.S. of a typical angiosperm ovule  ?  ( 3M  ) 8.  Diagram of pollen grain and lable their Part's.  ( 3M  ) 9.  Development of Male and female gametophyte takes place in which part of  angiosperm flowers.?   ( 3M )  10.  Explain Binucleate embryo sac and how they formed  .  ( 3M  ) Chapter - 2  : Human Reproduction   :...

Chapter  1  : Solution   : - 1.  Define Molarity and Molality,  And Write it's Formula.  ( 2M )  2.   Calculate molality(m) of KI solution. If the density of 20%  (mass/mass) aqueous solubility of KI is 1.202 gm/l.    When molar mass of potassium and iodine are 39 and 127 respectively. 3 .  A)  Define molal boiling point elevation constant . ( 1M )   B) why is it safe to inject 0.9% sodium chloride into a vein . ( 2M )  4.  2.46 gm  NaOH (Molar mass = 40) is dissolved in 100 cm3 water.  Determine the Molarity of the solution.    ( 2 M)     Ans:  Click for Answer 5.  2.91 gm glucose ( Molecular mass = 180 ) is dissolved in 30 gm water. Determine the mole fraction of glucose.   ( 2M )   6.  Calculate Mole Fraction of ethylene glycol  ( C2 H6 O2 ) if 20 % by mass of C2H6O2. is present in that solution.   ( 3M)...