Biology JAMB, WAEC, NECO AND NABTEB Official Past Questions

Study Specimens Y, amd Q and answer questions 4(a) to 4(e).

(a)(i) State the sex of specimen P.

(ii) Give one reason tor the answer in 4(a).

(b)(i) Name the habitats of each of specimens P and Q (ii) State three adaptations each of specimens P and Q to their habitats. (c)(i) State one observable structural differences between specimens (ii) State three observable structural similarities between  P and Q. (d)(i) Observe the mouthpart of specimen Q and state its feeding mechanism.

(ii) List one food which specimen Q feeds on.

(e) Remove carefully one of the legs on the right side of the metathorax of specimen P. Make a drawing, 6 cm to 8 cm long of the removed leg and label fully.

 Study specimens H and J and answer questions 2(a) to 2(d).

(a)i) Name the Kingdom and Class of organisms from which specimen H could be obtained.

(ii) Name the specific location on the body of the organism from which specimen H could be obtained.

(iii) Name one example of organism from which specimen H could be obtained.

(bi) State six observable structural differences between specimens  H and J. 

(c) State one function each of specimens H and J to the organisms that possess them. H:(ii) State three observable structural similarities between specimens H and J.

(d) Mention: (i) three observable features that adapt specimen H to the function stated against it in 2(c);

(i) two observable features that adapt specimen J to the function stated against it in 2(c).

Study specimens A, B, C, E and F and answer questions 1(a) to 1(e).

(a) Name one branch of Biology D which involves the use ot specimens A, B, C, D, E and F. (b) State one function of each of Specimens A. B. C D E and F:

(c) Describe briefly how each of specimens B and D could be used. 

(d) make a drawing, 10 cm to 12 cm long of specimen D and label fully.

(e) Name two organisms each associated with the use ot specimens D and F.
 

The biological importance of the dance by the worker honeybee is that it___________

The yellow and black stripes on the body of wasps is an example of________

The cross between RrTt and rrtt where R is a gene for red colour and T for tallness will result in______

A man whose blood group is heterozygous B is married to a woman whose blood up is also heterozygous B

Which of the following statements is correct about the blood group of their four offspring?

In a complete dominance monohybrid cross between a pure breeding yellow-flowered plant Y and a pure breeding white-flowered plant y, the result of the first filial generation is _________

Which of the following nucleotides is not found in the DNA molecules?

The process is called_______

The diagram above is an illustration of a process occurring in a living animal cell. Study it and answer this question

The process occurs in the _______

Individuals with blood group AB can donate blood to individuals with blood group(s)___________?

Which of the following factors is not a source of variation in living organisms?

Which of the following roles is not performed by a government agency responsible for forest maintenance?

Which of the following resources is renewable?

Cholera is mostly spread by_______

Maize grains are best stored against insect attacks by__________________

Tall trees with unbranched trunks which grow above the upper storey of the forest are commonly referred to as _____

In the pyramid of energy illustrated above, the organism with the least amount of transferred energy is___________

Organisms in an ecosystem are usually grouped according to their trophic level into__________

Which of the following soil fertility improvement methods will have the most negative effect on the ecosystem if not controlled?