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(a) Name the bacteria found in the root nodules of leguminous plant.
(b) State the association of the bacteria named in (a) above with the leguminous plants.
Date posted:
May 8, 2017
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The diagram below represents the nitrogen cycle
(a) State the process labeled
A..
D..
(b) Name the compound represented by B
(c) Name the group of organisms labeled C
(d) How would excess pesticides in the soil interfere with process A.
Date posted:
May 8, 2017
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Explain how birds of prey are adapted to obtaining their food.
Date posted:
May 8, 2017
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Suggest three reasons why green plants are included in a fish aquarium.
Date posted:
May 8, 2017
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Give two reasons why primary productivity in an aquatic ecosystem decreases with depth.
Date posted:
May 8, 2017
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The diagram below represents a simplified nitrogen cycle
(a) Name the organisms that cause process E and J
(b) Name the process represented by F and H.
(c) Name the group of organism represented by G.
Date posted:
May 8, 2017
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The diagram below represents a feeding relationship in an ecosystem
(a) Write down the food chains in which the guinea fowls are secondary consumers.
(b) What would be the short term effects on the ecosystem if lions invaded the area?
(c) Name the organism through which energy from the sun enters the food web
Date posted:
May 8, 2017
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Oil can be applied on the stagnant water to control the spread of malaria.
(a) How does this practice control the spread of malaria?
(b) Give a reason why this practice should be discouraged.
Date posted:
May 8, 2017
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Describe how the quadrant method can be used to estimate the population of various species of plants in a given habitat.
Date posted:
May 8, 2017
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The diagram below represents a plant in the division Bryophyta.
(i) Name the parts labelled B and D
(ii) State one function for each of the parts labeled A and C.
Date posted:
May 8, 2017
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State two characteristics of living organisms that are specific to plants.
Date posted:
May 8, 2017
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(a) A student collected an organism and observed the following features: Simple eyes, four pairs of legs and two body parts.
(i) State the class to which the organism belongs
(ii) Give an example of an organism in this class
(b) Name the kingdom to which plasmodium belongs
Date posted:
May 8, 2017
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The diagram below represents a female cone.
(a) Name the subdivision of the plant from which the core was obtained.
(b) Other than the presence of cones, name two other external features that identify plants in the subdivision named in (a) above.
Date posted:
May 5, 2017
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The diagram below illustrates the structure of a bread mould.
(a) Name the part labeled J.
(b) State the function of the structure labeled K.
Date posted:
May 5, 2017
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State three external differences between chilopoda and diplopoda.
Date posted:
May 5, 2017
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Giving a reason in each case, name the class to which each of the following organisms belong: (i) Bean plant (ii) Bat :
Date posted:
May 5, 2017
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(a) State three characteristics of Monera that are not found in other kingdoms
(b) Name the class to which a termite belongs
Date posted:
May 5, 2017
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To which class does an animal with two body parts and four pairs of legs belong?
Date posted:
May 5, 2017
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Name the class in the phylum arthropoda which has the largest number of individuals?
Date posted:
May 5, 2017
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Name the phylum whose members possess notochord
Date posted:
May 5, 2017
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Beside the abdomen, name the other body part of members of Arachnida.
Date posted:
May 5, 2017
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A student placed a drop of pond water in a cavity slide and observed it under the microscope. The student observed many fast moving organisms, one of which is represented in the diagram below.
(a) (i) Name the kingdom to which the organism belongs.
(ii) Give a reason for your answer in (a) (i) above.
(b) Name the structure labeled N, P and Q.
(c) State two observable features that enable the organism to move fast.
Date posted:
May 5, 2017
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A student caught an animal which had the following characteristics: Body divided into two parts, Simple eyes, Eight legs. The animal belongs to the class ...
Date posted:
May 5, 2017
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When are two organisms considered to belong to the same species.
Date posted:
May 5, 2017
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An organism has an exoskeleten, segmented body, two pairs of legs per segment, a pair of eyes and a pair short antennae belongs to the phylum
Date posted:
May 5, 2017
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The diagram below represents a fern
Name
(a) The parts labeled A and B.
(b) The division to which the plant belongs.
Date posted:
May 5, 2017
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Grievances of early political organisations.
Date posted:
May 5, 2017
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State one use of the following excretory products of plants (a) Colchicine (b) papain
Date posted:
May 5, 2017
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State one economic importance of each of the following plant excretory products. (a) Tannin (b) Quinine (c) Caffeine (d) Cocaine (e)Papain
Date posted:
May 5, 2017
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Give two reasons why animals have specialized organs for excretion as compared to plants
Date posted:
May 5, 2017