Change Question
Q1 Mention two advantages for preferring CNG over diesel as an ...
Q2 What are transgenic animals. Give an example.
Q3 Write the probable differences ...
Q4 Mention the role of genetic mother in MOET.
Q5 A male honeybee has 16 chromoso...
Q6 Name a free-living and a symbiotic bacterium that serve as b...
Q7 Name the cells , HIV (Human Imm...
Q8 Explain the relationship between CFC’s and Ozone in th...
Q8 Why are sacred groves highly protected ?
Q9 Following are the features of g...
Q10 Out of many papaya plants growing in your garden,only a few ...
Q11 Write the two limitations of traditional breeding technique ...
Q11 Mention two advantages of micro propagation.
Q11 Give two examples where it (micro propagation) is commercial...
Q12 It is generally observed that t...
Q12 (b) What are interferons? Mention their role.
Q13 How do homologous organs repres...
Q14 When do farmers prefer using apomictic seeds ?
Q14 How are Parthenocarpic fruits produced by some plants and ap...
Q14 Name two hormones that are cons...
Q15 (a) What do ‘Y and ‘B...
Q16 Explain enzyme-replacement therapy to treat adenosine deamin...
Q17 What is a test cross ? How can ...
Q18 How do organic farmers control pests ? Give two examples.
Q18 State the difference in their (organic pest control) approac...
Q19 Name the selectable markers in the cloning vector pBR322 ? M...
Q19 Why is the coding sequence of an enzyme ( β -galactosid...
Q20 Differentiate between primary and secondary succession. Prov...
Q21 State the role of ‘biolistic gun’ in biotechnolo...
Q21 Why must a cell be made ‘competent’ in biotechno...
Q22 Explain Parasitism and co-evolution with the help of one exa...
Q23 A large number of married coupl...
Q24 How are pleiotropy and Mendelian pattern of inheritance diff...
Q24 Name the stage in the cell cycle where DNA replication occur...
Q24 Explain the mechanism of DNA replication.Highlight the role ...
Q24 Why is DNA replication said to be semiconservative ?
Q25 Name the type of food chain that exists in a pond.
Q25 Taking an example of a small pond, explain how the four comp...
Q25 (a) Name the two growth models ...
Q26 Explain the menstrual phase in a human female. State the lev...
Q26 Why is follicular phase in the menstrual cycle also referred...