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Ramalan adabiSoalan struktur:

1. movement of substances across plasma membrane- phospholipid bilayer - blood in hypertonic solution (salt solution)

2. Enzyme- lock and key analo y- enzyme in di estive system

!. "ransport- blood clottin- factor for heart disease

#.$ariation- continous variation and discontinous variation- disease cause by mutation- factors for mutation

%. di estion- villus- adaptation of ileum to carry out its function- &hy cellulase is not di ested in human di estive system- &hy rodent has a lar e caecum

'. respiratory system of human fish and insect- dra& and labelled- adaptation of respiratory structure of insect to prevents it fromcollapsin- similar characteristics of the respiratory structure of human fishand insect to increase efficiency in aseous e chan e

- &hy insect does not have blood capillaries

*. Structure of kidney nephron- difference of composition of filtratre alon the tubuls in nephron- meanin of reabsoprtion

Essay +uestion :1. (a) ,escribe ho& oo enesis occurs in human(b) e plain the involvement of hormone in menstrual cycle

2. (a) State the relationship bet&een the rats and the o&ls and describe therelationship bet&een them

(b) e plain the interactions that e ist bet&een lichen and al ae clo&n fish and sea anemones

(c) describe &hy most plants cannot colonis and ron in man rove s&amp

(d) discuss the adaptive characteritics of the man rove plant species that allo& them to ro& &ell in the s&amps

!. (a) hat is meant by balanced diet(b) discuss the importance of the follo&in classes of food:- rou ha e

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8/10/2019 Ramalan adabi 2011

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- &ater

(c) discuss a diet appropriate for the follo&in tar et roup:i. childrenii. pre nant mother

#. (a) ,escribe the role played by each of the follo&in in maintainin the circulation of blood in the human bodyi. the heartii. the blood vesselsiii. the muscle of the limb

(b) describe ho& the structure of red blood cells is adapted totransport o y en

(c) compare the circulation of amphibian and human

% (a) dra& and e plain the phases involved to produce dau hter cells(b) describe the effect of uv ray to human cells

'. (a) ,escribe the factors the affect the rate of photosynthesis

(b) ,iscuss ho& the human maintain the normal ran e of carbon dio ideand p/ level of blood after vi orous activity

*. (a) ,escribe ho& pollen rains are formed in plants(b) ,escribe ho& infertility is overcome in humans usin the follo&in method:- sperm bank- artificial insemination- in vitro fertilization- surro ate mother

0. (a) farmer has crossed a smooth and reen pea p lant &ith a &rinkled and yello& pea plant. 1' pea seeds produced &erecollected and sorted accordin to different phenotypes

e plain the crossbreed done by the farmer

(b) 3r 4 and 3s 5 is healthy and normal couple. "heir first child is albino irl and the second hild is an albino son. "heir youn est isa pair of normal identical femal t&insi. 6omplete the pedi ree chart of 3r 47s family in dia ram belo&. "hene plain the inheritance of albinism in the family

ii. E plain ho& the inheritance of albinism to the ne t eneration of 3r 47s family can be controlled

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