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Human Biology  Question Paper

Human Biology  

Course:Biology

Institution: Form 3 question papers

Exam Year:2016



1.Differentiate between cross-pollination and self pollination.
2.State two adaptative features of insect pollinated flowers of pollination.
3.Explain the process of fertilization in flowering plants.
4.State two events that take place in prophase one
5.State three primary functions of stem in plants.
6.Name three tissues found in the cortex of a stem.
7.Give two benefits of transportation to plants.
8.Tabulate two structural differences between arteries and veins.
9.What is respiratory quotient.
10.Name causative agents of
. . . . a) whooping cough
. . . . . .b)pneumonia
11.Name the hormone that converts carbon(iv)oxide to weak carbonic acid.
12. State one advantage of having blood group About.
13.What is an allergy.
14.state two adaptations of proximal convoluted tube of the kidney to reabsorption.
15.Explain the photosynthetic theory of opening and closing of stomata.
16.Distinguish between protandry and prototype.
17.State five changes that occur in the thoracic cavity of a human during inhalation.
18.State four changes that occurs to the skin when the body temperature fall below normal.
19.What is homeostasis.
20.Name any four plant excretory product and for each state it's economic importance.




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