INTEGRATED SCIENCE 4

1.* (a)  (i)  What is an inorganic fertilizer?
         (ii). Give *three* examples of inorganic fertilizers that could be used in maize production.

(b) State:
              (i)  *two* industrial uses of each of the following metals:
      (£) aluminum;
      (¥) copper.
             (ii) *three* reasons why gold is regarded as a metal.

(c). A force acts on a body of mass 15g and causes the body to move with acceleration of 40.0 ms-^2. Calculate the force acting on the body. Seth Appiah

(d). (i) Give *one* reason why trypanosomiasis is considered as a parasite.
     (ii). State *two* ways of controlling trypanosomiasis. Seth Appiah

*2.*  (a). Write the *IUPAC* names of each of the following compounds:
       (i) CH3CH2COOH;
       (ii) H2SO3
       (iii) CH3CHCICH3.
    
       (b). (i)  List *three* organelles found in an animal cell .
             (ii). State *one* function of each of the organelles listed in (b) (i).

(c). State *three* reasons each for carrying out each of the following husbandry practices in poultry production:
  (i) identification;
  (ii) debeaking .

(d) (i). What is radioisotopes?
     (ii). Name *two* radioisotopes used in medicine.

*3.*  A student weighed 7.5 g of NaCHO3 in the laboratory.
 (i). Name the apparatus used.
 (ii). Calculate the number of moles of the substance weighed.
     *[ Na = 23, O = 16, C = 12, H = 1 ]*Seth Appiah

(b). Explain how each of the following respiratory structures in humans is adapted to its function:
    (i). nasal chamber;
    (ii). diaphragm;
    (iii). alveoli .

4) Explain the following terms as applied to sound waves:
(i) frequency; (ii) loudness; (iii) pitch. [6 marks]
(b) (i) What is crop rotation?
(ii) State two advantages of crop rotation. [4 marks]

(5) (i) List three kingdoms used in the classification of living things.
(ii) State two reasons for classification of living things. [5 marks]
(d) (i) Explain briefly how each of the following processes occurs:
(i) melting of a solid;
(ii) condensation of a gas. [5 marks]

6)Explain the following;
-Ecosystem

-Habitat

-power

-hedge

-mu|ching

-weaning -malnutrition

-drug

-sexual reproduction

-Displacement

6b.Distinguish between hay and silage.

6c.Give 5 reasons why farm records are kept.

7a) Draw a well labelled and generalised plant and animal cell.
(B) State one function of the following
(i) Nucleus 
(ii) Cytoplasm
(iii) Cell membrane
(iv) Cell wall
(C) What is specialized cell.
(D) list four examples of specialized cell

(8a) What is energy?
(B) Distinguish renewable and none renewable energy
(C) Give one example each.

(9a) Explain why energy and work are interredated
(B) Name four types of energy?

(10a) State three ways of conserving energy in the home.
(B) Explain what is meant by efficiency of energy

(11) Draw a well labelled diagram of the leaf structure.