Find the integral values of x which satisfy the following inequality.              (3 marks)

Two spheres have surface areas of 36cm² and 49cm².  If the volume of the smaller sphere is 20.2cm³ calculate the volume of the larger one.              (3 mks)

Find the equation of a line through point (5, -1) and perpendicular to line 4x + 2y – 3 = 0.                      (3mks)

Explain the economic importance of plant excretory products.             (5 mks)           

(a)  What is photosynthesis?                                                          (1 mk)

(b)  Discuss three factors affecting the rate of photosynthesis.         (6 mks)

Describe the structure of the skin to its functions.                                      (5 mks)

What is diabetes insipidus?                                                                      (1 mk)

Name the conditions under which urine production increases in animals.    (2 mks)

The diagram below represents a cross section obtained from a plant.  Use it to answer the questions that follow.

(a)  From which part of the plant was the section obtained from?               (1 mk)

(b)  Give a reason for your answer in(a) above.                                         (1 mk)

(c)  Name part B.                                                                                     (1 mk)

(d)  Name the material that strengthens the part you named in (c) above.   (1 mk)

State three properties of lipids.                                                       (3 mks)