KNEC KCSE BIOLOGY TOPICAL QUESTIONS AND ANSWERS - ATIKA SCHOOL

Name the causative organism of the following diseases

9/9/2021

Name the causative organism of the following diseases
(i) Malaria (1mk)

Plasmodium sp

(ii) Bilharzia (1mk)

Schistosoma sp

Plasmodium vivax and Plasmodiuin ovale are transmitted by a mosquito. State with a reason whether the two organisms can interbreed.

2/7/2020

K.C.S.E Biology Q & A - MODEL 2019PP1QN24

Plasmodium vivax and Plasmodiuin ovale are transmitted by a mosquito. State with a reason whether the two organisms can interbreed.

answers

(a) they can interbreed; because they belong to the same genus;
They cannot interbreed; because they do not belong to the same species.

Name the causative agent for Tuberculosis

30/6/2020

K.C.S.E Biology Q & A - MODEL 2017PP1QN13

Name the causative agent for Tuberculosis

answers

State two control measures for malaria.

29/6/2020

K.C.S.E Biology Q & A - MODEL 2015PP1QN08

State two control measures for malaria.

answers

Controlling mosquitoes/vectors/cleaning breeding sites/draining stagnant water/use of insecticides;
Vaccination/taking prophylactic drugs;
Sleeping under mosquito nets / use of mosquito repellants.

K.C.S.E Biology Q & A - MODEL 2015PP1QN08

29/6/2020

K.C.S.E Biology Q & A - MODEL 2015PP1QN08

Name the organism that:
(î) causes malaria;
(ii) transmits malaria.

answers

(i) Plasmodium spp/malariae, vivax, Ovale, falseparum;
(ii) Anopheles female mosquito;

List four symptoms of diabetes mellitus.

26/6/2020

K.C.S.E Biology Q & A - MODEL 2012PP1QN19

List four symptoms of diabetes mellitus.

answers

Passing urine frequently/polyuria; glucose/excess glucose in blood/hyperglycaemia; constant feeling of thirst/dehydration; loss of weight; excessive eating/increased appetite/polyphagia/hyperphagia; poor resistance to diseases;

K.C.S.E Biology Q & A - MODEL 2011PP2QN03

25/6/2020

K.C.S.E Biology Q & A - MODEL 2011PP2QN03

Name the causative agents for the following respiratory diseases.
(i) Whooping cough.
(ii) Pneumonia.

answers

(a) (i) Bordetella pertussis;
(ii) Streptococcus pneumoniae;
(iii) Micoplasma pneumoniae;

Name the disease in humans caused by plasmodium falciparum

23/6/2020

K.C.S.E Biology Q & A - MODEL 2009PP1QN09

Name the disease in humans caused by plasmodium falciparum

ANSWER

Malaria

K.C.S.E Biology Q & A - MODEL 2009PP1QN09

23/6/2020

K.C.S.E Biology Q & A - MODEL 2009PP1QN09

Name the causative agents of the following diseases in humans
(i) Typhoid
(ii) Amoebic dysentery

ANSWERS

K.C.S.E Biology Q & A - MODEL 2008PP1QN03

22/6/2020

K.C.S.E Biology Q & A - MODEL 2008PP1QN03

State the causative agent of:
(i) Cholera
(ii) Candidiasis

ANSWERS

(i) Vibria chlerae
(ii) Canida/ candida albinism

Name a disease of the liver whose symptom is jaundice

22/6/2020

K.C.S.E Biology Q & A - MODEL 2008PP1QN03

Name a disease of the liver whose symptom is jaundice

ANSWERS

Hepatitis ( A- E lipids)

Give the scientific name of the organism that causes tuberculosis in humans

21/6/2020

K.C.S.E Biology Q & A - MODEL 2007PP2QN01

Give the scientific name of the organism that causes tuberculosis in humans

ANSWER

Mycobacterium tuberculosis

State one way by which HIV/AIDS is transmitted from mother to child

21/6/2020

K.C.S.E Biology Q & A - MODEL 2007PP1QN26

State one way by which HIV/AIDS is transmitted from mother to child

ANSWER

During birth, breast feeding

Name the organism that causes amoebic dysentery.

18/6/2020

K.C.S.E Biology Q & A - MODEL 2005PP1QN10

Name the organism that causes amoebic dysentery.

answer

Entamoeba hystolystica

Name the causative agent of typhoid.

17/6/2020

K.C.S.E Biology Q & A - MODEL 2003PP1QN11.

Name the causative agent of typhoid.

answer

Salmonella typhi; Acc.Bacteria / salmonella alone

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