WAEC GCE Biology 2017 Answers & Questions for Essay-Obj is Out

WAEC GCE Biology Answers 2017 Released — See Waec Bio Questions for Essay & Objectives Here.

The official West African Examination Council, WAEC, General Certificate Examination, GCE, for Nov/Dec Biology exam paper will be written on Tuesday, 12th September, 2017.

The Biology 2 (Essay) paper will start by 9:30am and will last for 1hr 40mins while the biology 1 (Objective) exam will commence 11am and will last for 50mins.

In this post, we will be posting out samples of the waec gce biology questions for candidates that will participate in the examination for practice purposes.

waec gce biology 2017 questions

WAEC GCE Biology Questions 2017:

Section A [Objectives]
Answer ALL questions.
Shade your answers on the answer booklet provided.

1. Where are most nitrogen compounds excreted from humans?
A kidneys
B liver
C rectum
D skin.

2. A motor neurone transmits impulses from
A muscle to spinal cord.
B receptor to muscle.
C receptor to spinal cord.
D spinal cord to muscle.

3. In which order does light pass through these structures in the eye?
A cornea → aqueous humour → lens → vitreous humour → retina
B cornea → vitreous humour → lens → aqueous humour → retina
C lens → aqueous humour → cornea → vitreous humour → retina
D lens → vitreous humour → cornea → aqueous humour → retina.

4. A person with Down’s syndrome is born with 47 chromosomes in each cell, instead of 46.
What could cause this?
A A mutation happened during the production of the egg cell.
B More than one sperm fused with the egg at fertilisation.
C Radiation caused a change in structure of a gene in the father’s sperm.
D The mother was exposed to harmful chemicals while she was pregnant.

5. A red-flowered plant is crossed with a white-flowered plant. All the offspring have red flowers.
What is the genotype of these offspring?
A RR and Rr
B RR only
C Rr only
D rr only.

6. A plant has flowers whose anthers mature and fall off before the stigma is fully developed.
What will this prevent?
A cross-pollination
B insect-pollination
C self-pollination
D wind-pollination.

7. The cell wall of a plant cell is removed using an enzyme.
What would happen if this cell is then placed in distilled water?
A It would take longer for the cell to become turgid.
B Proteins in the cytoplasm would leave through the cell membrane.
C The cell would become smaller as water passes out.
D The cell would burst as water moves into it.

8. Some organisms live at the bottom of the seas where it is very dark. To synthesise glucose, they use energy from chemicals in the very hot water that comes out of volcanoes.
What is a distinguishing feature of these organisms?
A Their enzymes are easily denatured by heat.
B They do not need carbon dioxide.
C They do not need to be green.
D They obtain energy only as carnivores.

9. Under which set of conditions will the transpiration rate of a well-watered plant be fastest?
A a cool, dry, windless day
B a cool, rainy, windy day
C a hot, dry, windy day
D a hot, rainy, windy day.

10. Why is glucose found in the urine of diabetics?
A increased uptake and use of glucose by the body cells
B not enough glucose in the blood is converted to glycogen
C stored fats in the body are being oxidized
D too much glucose is absorbed by the kidney cells.

11. Which bones form a joint at the shoulder?
A humerus and scapula
B humerus and ulna
C radius and ulna
D radius and scapula.

12. Which sequence describes the flow of energy in an ecosystem?
A carnivore → herbivore → plant → Sun
B plant → herbivore → carnivore → Sun
C Sun → carnivore → herbivore → plant
D Sun → plant → herbivore → carnivore.

13.

NOTE: That there is nothing like Waec Gce biology expo online. Do not be deceived by fraudsters posing with fake Waec answers on the internet.

Section B [Essay]
Answer any FOUR questions.
Write your answers on the answer booklet provided.

1. (a) Describe the role of the mosquito in the spread of disease.
(b) Describe the symptoms of named diseases that may result from deficiencies in a balanced
diet.

2. (a) Describe the similarities and differences between the absorption of ions in plants and the uptake of glucose in humans.
(b) Explain why humans absorb amino acids but plants do not.

3.

Keep following, more questions and answers will be added soon.


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