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Biology Past Questions

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4686

observe specimen C carefully and answer the following questions.

(a)(i) State tne class to which specimen C belongs.

(ii) Give three reasons for placing Specimen C in that class.

(iii)State two food items which specimen C feeds on.

(b) State two observation of each of specimen C which adapt it to: (i) its mode of feeding (ii) locomotion 

(c) List three observable characters of specimen C which can be inherited.

(ii) If white feather colour (W) Is dominant in chickens over black feather colour (w),

with the aid of qenetic.diagrams show how it can be determined whether specimen C is homozygous dominant or heterozygous dominant.

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4687

Study carerully Specimens H, J, Kand L and use them to answer the following question:

(a) Make a drawing 8-10cm long of the longitudinal section of specimen H and label fully.

(ii) What type of fruit is specimen H?

(ii) State two other examples of the type of fruit to wnich specimen H belongs.

(iv) Is specimen H a true fruit or a false fruit?

 (v) Give one reason for your answer in  a(iv) above.

(vi) State the food classes present in specimen H.

(b)(i) State one(1) feature common to specimens J, K and L.

(ii) State two observable characteristic features each of specimens J, K and L.

(iii) State the mode of vegetative propagation of specimens K and L.

(C) State the biological significance of specimens K.

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4688

Which of the following organelles is common to both plant and animal cells

  • A. Cellulose cell wall
  • B. Chlorophyll
  • C. Cell membrane
  • D. Large vacuole
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The diagrams below are illustrations of different sections of a particular fruit. Study them and answer questions 2 and 3

4689

The sections in X and Y respectively, are

  • A. longitudinal and transverse
  • B. transverse and longitudinal
  • C. cross and transverse
  • D. transverse and cross
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4690

The fruit that has the illustrated sections is a

  • A. hesperidium
  • B. capsule
  • C. drupe
  • D. cypsela
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