Biology Examination Questions for Secondary School Students|Study and pass of Biology Exams


Biology Examination Questions for Secondary School Students|Study and pass of Biology Exams

Are you searching for Biology test/Examination questions?This page contains over  Well prepared Biology questions.

These Exam Questions and Answers were compiled to serve as a reference material to help teachers set tests and examination questions.School pupils/tutors will find it very helpful in revision and exam preparation.

♦The process of regulating the amount of water and solutes in the body fluids is called (a) osmosis (b) diffusion (c) osmoregulation (d) homeostasis

1. .     The presence of glucose in the urine of a patient is an indication of malfunctioning of the (a) pancreas (b) gall bladder (c) liver (d) spleen

2.     Plant hormones include the following except (a) insulin (b) auxin (c) cytokinin (d) gibberelin

3.     The part of the brain which controls and coordinates body posture is the (a) cerebellum (b) hypothalamus (c) medulla oblongata (d) pons yaroli

4.     The passage of nerve impulse across a synapse is facilitated by the secretion of (a) acetylcholine (b) thyroxine (c) insulin (d) progesterone

5.     Which of the following process is not an example of reflex action? (a) blinking of the eyes (b) Reading (c) beating  of the heart (d) sneezing

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6.     The eyes can properly focus images of objects of various distances on the retina by a process called (a) refraction (b) reflection (c) accommodation (d) correction

7.     Which of the following sensations may not be detected by the skin? (a) touch (b) pressure (c) stress (d) pain

8.     The process by which flowers produce fruit without the process of fertilization is called (a) viviparity (b) parthenocarpy (c) propagation (d) metamorphosis

9.     An example of dehiscent fruit is (a) crotalaria (b) tomato (c) mango (d) orange  

10.     Analysis f the gut content of an animal showed that it contained small pieces of bone, seeds, roughages, and insects. The animals is likely to be a/an (a) carnivore (b) herbivore (c) insectivore (d) omnivore

11.     The detective cells involved in sickle-cell anaemia disease are (a) phagocytes (b) lymphocytes (c) erythrocytes (d) thrombocytes

12.     What does the chemical composition of the genetic material of all living organisms consists of (a) Deoxyribonucleic acid (b) Adenosine diphosphate (c) Adenosine triphosphate (d) Follicle stimulating hormone

13.     Which of the following diseases is commonly observed in human males and is sex linked? (a) Beriberi (b) Down’s syndrome (c) Sickle-cell anaemia (d) Colour blindness

14.     If red is dorminant to white and homozygous red pea-plants are crossed with homozygous white pea-plants. The first filial generation will have (a) 2 red lowers, 2 white flowers (b) 4 red flowers (c) 4 white flowers (d) 4 pink flowers

15.     The sudden change in gene structure or chromosome in an organism is likely to cause an inheritable change in the phenotype known as (a) migration (b) mutation (c) mitosis (d) meiosis

16.     The resemblance of a palatable insect to a poisonous insect is an example of (a) a chemical deterrent to a predator (b) an escape from the predator by camouflage (c) an escape from the predator by mimicry (d) defence against the predator by warding colouration

17.     Evidence for evolution include the following except (a) fossil records (b) cooperative anatomy (c) mutation of genes (d) geographical distribution of organisms.

18.     The theory of survival of the fittest was propounded by (a) Darwin (b) Lamarck (c) Linnaeus (d) Mendel

19.     Which of the following characters is not an example of discontinuous variation (a) skin colour (b) fingerprint (c) ability to roll tongue (d) sex type

20.     The order of evolutionary trend in plants is (a) Bryophyta, Thallophyta, Pteridophyta, Spermatophyta (b) Thallophyta, Bryophyta, Pteridophyta, Spermatophyta (c) Spermatophyta, Pteridophyta, Bryophyta, Thallophyta (d) Bryophyta, Pteridophyta, Spermatophyta, Thallophyta


Answer any four questions from this section. All questions carry equal marks.

1a.     Define the term Variation

b.       State four physiological variations in plants and four morphological variations in animals

2a.     What is Genetics?

b.       Discuss the applications of Genetics

3.       Discuss the classification of human race, stating the examples in each case.

4.       A homozygous tall parent was crossed with a homozygous short parent, the F1 generation were all tall. An offspring of F1 generation was then crossed with another homozygous short individual.

a.       Illustrate the crosses with suitable genetics diagrams

b.       What is the phenotypic ratio of offspring in the F2?

c.       What is the genotypic ratio of the offspring in the F2?

d.       What is the probability than an individual that has genotype Tt will produce a gamete with T gene?

5a.     Define the term Evolution

b.       list and explain four  evidence to support evolution of organisms from a common ancestry (8 marks)

6a.     What is adaptation in living organism? (2 marks)

b.       Outline four adaptations in xerophytes and four adaptations in birds. (8 marks)

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