Write the probable differences ...
Mention two advantages for preferring CNG over diesel as an ...
A male honeybee has 16 chromoso...
Mention two objectives of setting up GEAC by our Government....
Mention the role of genetic mother in MOET.
What is aminoacylation ? State its significance.
Why are sacred groves highly protected ?
Explain the relationship between CFC’s and Ozone in th...
Gynaeceum of a flower may be apocarpous or syncarpous. Expla...
"Large scale cultivation of spirulina is highly advanta...
Name a genus of baculovirus. Wh...
(a) What do ‘Y and ‘B...
Differentiate between divergent and convergent evolution Giv...
How does a farmer use the dormancy of seeds to his advantage...
List any four characteristics of an ideal contraceptive.
Name any two intrauterine contraceptive devices that affect ...
What advantage a seed provide to a plant?
It is generally observed that t...
(b) What are interferons? Mention their role.
Write the two limitations of traditional breeding technique ...
Mention two advantages of micro propagation.
Give two examples where it (micro propagation) is commercial...
Differentiate between primary and secondary succession. Prov...
Predation is usually referred t...
Explain enzyme-replacement therapy to treat adenosine deamin...
State the difference in their (organic pest control) approac...
How do organic farmers control pests ? Give two examples. Q20 State the role of ‘biolistic gun’ in biotechnolo... Q20 Why must a cell be made ‘competent’ in biotechno... Q21 Name the selectable markers in the cloning vector pBR322 ? M... Q21 Why is the coding sequence of an enzyme ( β -galactosid... Q22 What is a test cross ? How can ... Q23 A large number of married coupl... Q24 (a) Name the two growth models ... Q24 Taking an example of a small pond, explain how the four comp... Q24 Name the type of food chain that exists in a pond. Q25 Explain the menstrual phase in a human female. State the lev... Q25 Why is follicular phase in the menstrual cycle also referred... Q25 Explain the events that occur in a graafian follicle at the ... Q25 Draw a graafian follicle and label antrum and secondary oocy... Q26 Give a genetic explanation for ... Q26 Describe the series of experiments of F. Griffith. Comment o... Q26 State the contribution of Macleod, McCarty and Avery.
State the role of ‘biolistic gun’ in biotechnolo...
Why must a cell be made ‘competent’ in biotechno...
Name the selectable markers in the cloning vector pBR322 ? M...
Why is the coding sequence of an enzyme ( β -galactosid...
What is a test cross ? How can ...
A large number of married coupl...
(a) Name the two growth models ...
Taking an example of a small pond, explain how the four comp...
Name the type of food chain that exists in a pond.
Explain the menstrual phase in a human female. State the lev...
Why is follicular phase in the menstrual cycle also referred...
Explain the events that occur in a graafian follicle at the ...
Draw a graafian follicle and label antrum and secondary oocy...
Give a genetic explanation for ...
Describe the series of experiments of F. Griffith. Comment o...
State the contribution of Macleod, McCarty and Avery.
The two advantages of micro propagation are undermentioned:
1) In a short time very large number of plants can be grown.
2) With micro propagation healthy plants can be produced rather than diseased one.
Secondary producers are (a) Herbivores (b) Producers (c) Carnivores (d) None of the above