-Long feathery stigma to trap pollen grains from air currents;
-Anthers are large, loosely attached to flexible filament to release pollen grains easily;
-Pollen grains are small, smooth and light for easy blowing by wind.
sharon kalunda answered the question on May 24, 2019 at 11:30
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What is polysepalous flower.
(Solved)
What is polysepalous flower.
Date posted:
May 24, 2019
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Answers (1)
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Describe the physiological process that help in regulation of the body temperature in man on a hot day.
(Solved)
Describe the physiological process that help in regulation of the body temperature in man on a hot day.
Date posted:
May 24, 2019
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Answers (1)
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Differentiate between photosynthesis and respiration.
(Solved)
Differentiate between photosynthesis and respiration.
Date posted:
May 24, 2019
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Answers (1)
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Identify the following apparatus and state it functions.
(Solved)
Identify the following apparatus and state it functions.
i) Name
ii) Function
Date posted:
May 24, 2019
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Answers (1)
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Name the type of muscle found in the gut.
(Solved)
Name the type of muscle found in the gut.
Date posted:
May 24, 2019
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Answers (1)
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What do you understand by the term synapse?
(Solved)
What do you understand by the term synapse?
Date posted:
May 24, 2019
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Give a difference between blind spot and the Fovea centralis.
(Solved)
Give a difference between blind spot and the Fovea centralis.
Date posted:
May 24, 2019
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Answers (1)
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State the role of the iris in the human eye.
(Solved)
State the role of the iris in the human eye.
Date posted:
May 24, 2019
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Answers (1)
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The diagram below represents a section through a human tooth.
a) Name the type of tooth shown.
b) Give a reason for your answer in (a) above....
(Solved)
The diagram below represents a section through a human tooth.
a) Name the type of tooth shown.
b) Give a reason for your answer in (a) above.
c) List and state the functions of two structures found in the part labelled K.
Date posted:
May 24, 2019
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Answers (1)
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State the function of pneumatophores.
(Solved)
State the function of pneumatophores.
Date posted:
May 24, 2019
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Answers (1)
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Name the tissue in the stem and leaves of hydrophytes that allows them to store air for gaseous exchange.
(Solved)
Name the tissue in the stem and leaves of hydrophytes that allows them to store air for gaseous exchange..
Date posted:
May 24, 2019
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Answers (1)
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State the role of ATP molecule during active transport across the cell membrane of the plant root hair.
(Solved)
State the role of ATP molecule during active transport across the cell membrane of the plant root hair.
Date posted:
May 24, 2019
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Answers (1)
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Name the type of circulatory system found in the phylum Arthropoda.
(Solved)
Name the type of circulatory system found in the phylum Arthropoda.
Date posted:
May 24, 2019
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Answers (1)
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The reaction represented by the equation below occurs in the body.
a) Name enzyme Y
b) Name an organ in the body where the reaction occurs.
(Solved)
The reaction represented by the equation below occurs in the body.
a) Name enzyme Y
b) Name an organ in the body where the reaction occurs.
Date posted:
May 24, 2019
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Answers (1)
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Describe the process of excretion in the kidney.
(Solved)
Describe the process of excretion in the kidney.
Date posted:
May 24, 2019
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Answers (1)
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Briefly explain how any three factors affect population growth.
(Solved)
Briefly explain how any three factors affect population growth.
Date posted:
May 24, 2019
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Answers (1)
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The figure below shows a section through a leaf. A leaf is designed for photosynthesis and this process provides a supply of simple sugars for...
(Solved)
The figure below shows a section through a leaf. A leaf is designed for photosynthesis and this process provides a supply of simple sugars for a plant.
(a) State the adaptation of the chloroplasts to photosynthesis.
(b) Name a mineral ion in chloroplast.
(c) (i) Name the tissues that translocates sugar from the leaves to other parts of the plants.
(ii) How is the tissue named in c(i) above adapted to its function?
(d) Write a word equation for the process of photosynthesis.
Date posted:
May 24, 2019
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Answers (1)
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In an experiment, a black mouse was mated with a brown mouse. All the offsprings in F1 generated were black. The offspring grew and were...
(Solved)
In an experiment, a black mouse was mated with a brown mouse. All the offsprings in F1 generated were black. The offspring grew and were all allowed to mate with one another. The total number of F2 generation offspring were 96.
(a) Using letter B to denote the gene for black colour, work out the genotype of the F1 generation.(Use a punnet square)
(b) State the following for the F2 generation.
(i) Genotypic ratio.
(ii) Phenotypic ratio
(iii) The total number of brown mice.
Date posted:
May 24, 2019
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Answers (1)
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The figure below shows a light microscope.
(Solved)
The figure below shows a light microscope.
(a) State the functions of the parts labelled 1, 2, and 3.
(b) (i) State two differences between an electron microscope and a light microscope.
(ii) Give one advantage of using a light microscope over that of an electron microscope.
(c) Calculate the magnification that is obtained when an object is viewed with a X10 eye piece and a X100 objective lens.
Date posted:
May 24, 2019
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Answers (1)
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The figure below represents three cells 1, 2 and 3.
Identify the three regions of the root tip from which the cell were got from?
(Solved)
The figure below represents three cells 1, 2 and 3.
Identify the three regions of the root tip from which the cell were got from?
Date posted:
May 24, 2019
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Answers (1)