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What type of fruit is represented by Diagram T?
(a)Give a reason
(b)Name the agent of dispersal
Date posted:
November 16, 2017
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The figure represents part of the cycling of nitrogen within the ecosystem
(a)(i)State the process P
(ii)Name the organism that carries out process P
(iii)Name of the organisms which carry out process R and S
(b)Outline how protein in animals is converted to Ammonium ions in the soil indicated by T on the figure
Date posted:
November 16, 2017
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The diagram below shows how gaseous exchange occurs across the gill in fish
(i)What is the term used to describe this type of flow displayed above?
(ii)What is the advantage of this flow system
(iii)Name an organ in human beings that displays this flow system
Date posted:
November 16, 2017
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Study the diagram K below and answer the questions
Name the division to which K belongs
Division……………………………………………………..
Reasons …………………………………………………………..
Sub-division………………………………………………………
Reason………………………………………………………………
Class……………………………………………………………………
Date posted:
November 16, 2017
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Use the diagrams below to answer the questions that follows
(i)Identify the type of cell division
(ii)With a reason , name the stage of cell division represented in each case.
Date posted:
November 16, 2017
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State two adaptations of the nephron of a desert animal.
Date posted:
November 16, 2017
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State two ways in which plants get rid of their nitrogenous wastes.
Date posted:
November 16, 2017
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State the role of saprophytes in an ecosystem
Date posted:
November 16, 2017
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When are the following hormones secreted:
a) Insulin
b) Antidiuretic hormone.
Date posted:
November 16, 2017
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Explain why amoeba does not require transport system.
Date posted:
November 16, 2017
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It is necessary for large animals to have elaborate transport system. Explain
Date posted:
November 16, 2017
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State one way in which food moves in the phloem naturally.
Date posted:
November 16, 2017
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Explain why cell walls of root hairs are thin.
Date posted:
November 16, 2017
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Explain how stigma in wind pollinated flower is adapted to its function
Date posted:
November 16, 2017
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What is the role of follicle stimulating hormone (FSH) in female menstrual cycle.
Date posted:
November 15, 2017
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State one function of the following structures in mammals:
(a) Caecum
(b) Spleen
Date posted:
November 15, 2017
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Describe what happens during the dark stage of photosynthesis.
Date posted:
November 15, 2017
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State the role diaphragm;
a) In the light microscope
b) During ventilation in man
Date posted:
November 15, 2017
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Give the functions of the following organelles.
i) Centrioles
ii) Nucleolus
Date posted:
November 15, 2017
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Why is it necessary to use a sharp razor blade while preparing sections to be viewed under a light microscope?
Date posted:
November 15, 2017
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Other than anchorage, state two other functions of rhizoids of mosses.
Date posted:
November 15, 2017
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Define the following terms:
a) Cytology
b) Microbiology
Date posted:
November 15, 2017
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Describe how saturation deficit affect the rate of transpiration
Date posted:
November 15, 2017
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Describe what happens when sperm head hit the egg in human beings.
Date posted:
November 15, 2017
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State the role played by jelly like substances surrounding egg laid by frogs
Date posted:
November 15, 2017
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(a) Ascaris lumbroides is an endo-parasite living in the ileum of human beings, while Tagetes minutes is a notorious weed in our farms. Identify the generic parts of the organisms mentioned.(b) Under which circumstances are two organisms considered to belong to same species.
Date posted:
November 15, 2017
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The lungs and ileum are adapted for absorption. State three features they have in common which facilitate absorption.
Date posted:
November 15, 2017
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Two equal strips A and B were from a potato whose cell was 30% of sugar. The strip A was placed in a solution of 10% sugar concentration while strip B was placed in 50% sugar concentration. a) What change was expected in strips A and B?
Date posted:
November 15, 2017
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Explain why most athletes practice in highland regions?
Date posted:
November 15, 2017
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Name the organelle in which energy production take place.
Date posted:
November 15, 2017