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Biology Past Questions

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4631

Study specimens E, F, G1 and G2 carefully and use them to answer questions 2(a) to 2(d).

(a)(i) Name the life process in mammals that is associated with specimens E. 

(ii) State two structural similarities between the surface of specimen E and the skin of specimen F.

(b)(i) Name the habitat in which specimen F will function efficiently. 

(ii) Explain how two observable features of specimens F adapt the organism to its habitats.

 (C)(i) Using the blade provided cut a thin transverse section of the stem of specimens G add two drops of freshly prepared iodine solution to the cut section.

          Record your observation and inferences :

(ii) In which part of the stem is food stored.

(iii) Name two tissues used for transportation of materials in specimens G,

 (iv) List two supporting tissues present in specimen G,

(d) Make a drawing 10-12 cm long of a cut transverse section of the stem of specimen G, and label fully.

View Answer & Discuss WAEC 2013
4632

Study specimens L, M, N, P, Q, R and S carefully and use them to answer questions 4(a) to 4(d).

(a) Name two specimens which can be used for the following: (i) transaction; (ii) protection; (iii) statement.

(b) Stating observable features in specimens L, M, N, P,Q and R, Suggest one reason each for the answers given in 4(a)i), (ii) and (iii) above.

(c) State. (i) two observable similarities; (ii) two differences between specimens P and R.

(d)(i) Sate how observable features of specimen M adapt the specimen to its functions. 

(ii) Arrange specimens L, , N and S in the increasing order of  complexity of the organism to which they belong.

View Answer & Discuss WAEC 2013
4633

(a) Study carefully specimens A and B and use them to answer questions 1(a) to 1(c).

(a)(i) Name the types of fruit in specimens A and B with reasons.

(ii) Make a drawing, 8-10cm long of the lateral view of specimen B and label fully.

(b) Describe the modes of dispersal of specimens A and B.
(c) In a tabular form, state five differences between specimens A and B.

View Answer & Discuss WAEC 2012
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4634

One of the functions of the xylem is?

  • A. strengthening the stem
  • B. manufacturing food
  • C. reducing loss of water
  • D. conducting manufactured food
View Answer & Discuss (2) JAMB 2021
4635

Which of the statements below is not characteristic of wind-pollinated flowers?

  • A. Stigmas are usually large and feathery
  • B. Nectary is usually absent
  • C. The pollen grains have rough spiny surfaces
  • D. The flowers are not scented.
View Answer & Discuss (1) JAMB 2021
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