(a) Glucose;
(b) The person was a sufferer of diabetes mellitus;
(c) Pancrease;
Kavungya answered the question on June 17, 2019 at 05:30
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Describe how ingestion of very salty food may reduce the amount of water excreted in urine.
(Solved)
Describe how ingestion of very salty food may reduce the amount of water excreted in urine.
Date posted:
June 17, 2019
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Answers (1)
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Name two substances that are not found in urine of a healthy person
(Solved)
Name two substances that are not found in urine of a healthy person
Date posted:
June 17, 2019
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Answers (1)
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Explain the following:-
i) Fresh water fish excrete ammonia
ii) Glucose is absent in urine yet present in glomerular filtrate
(Solved)
Explain the following:-
i) Fresh water fish excrete ammonia
ii) Glucose is absent in urine yet present in glomerular filtrate
Date posted:
June 17, 2019
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Answers (1)
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Explain why insecticides become ineffective against insects if used for several years in succession
(Solved)
Explain why insecticides become ineffective against insects if used for several years in succession
Date posted:
June 15, 2019
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Answers (1)
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Explain why certain drugs become ineffective in curing a disease after many years of use
(Solved)
Explain why certain drugs become ineffective in curing a disease after many years of use
Date posted:
June 15, 2019
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Answers (1)
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All insects are believed to have arisen from a common ancestor. However, modern insects differ widely in a variety of ways such as in the...
(Solved)
All insects are believed to have arisen from a common ancestor. However, modern insects differ widely in a variety of ways such as in the adaptation of their mouthparts for different modes of feeding. What kind of evolution is this?
Date posted:
June 15, 2019
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Answers (1)
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Give two factors that determine water reabsorption in the distal convoluted tubule
(Solved)
Give two factors that determine water reabsorption in the distal convoluted tubule
Date posted:
June 15, 2019
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Answers (1)
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Distinguish between the struggle for existence and survival for the fittest as used in the theory of natural selection
(Solved)
Distinguish between the struggle for existence and survival for the fittest as used in the theory of natural selection
Date posted:
June 15, 2019
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Answers (1)
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Describe how a population of grasshoppers in a given area can be estimated
(Solved)
Describe how a population of grasshoppers in a given area can be estimated
Date posted:
June 15, 2019
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Answers (1)
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Explain how food as a factor regulates the population of animals in an ecosystem
(Solved)
Explain how food as a factor regulates the population of animals in an ecosystem
Date posted:
June 15, 2019
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Answers (1)
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Apart from mere observation of actual feeding suggest two methods that can be used to determine the type of food eaten by animals
(Solved)
Apart from mere observation of actual feeding suggest two methods that can be used to determine the type of food eaten by animals
Date posted:
June 15, 2019
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Answers (1)
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A fish farmer wanted to know the number of fish in a pond. He collected 10 fish from the pond
and labeled each, by a tag...
(Solved)
A fish farmer wanted to know the number of fish in a pond. He collected 10 fish from the pond
and labeled each, by a tag label on its fin and returned the ten fish to the pond to mix with
other fish . When he later collected 50 fish from the pond, he found only four of them had labels
a) Estimate the total number of fish in the pond (show your workings)
b) What two assumptions are being made in this methods of estimating population
Date posted:
June 15, 2019
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Answers (1)
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An investigation was carried out on a terrestrial ecosystem. The population sizes and species biomass were determined and recorded as shown in the table...
(Solved)
An investigation was carried out on a terrestrial ecosystem. The population sizes and species
biomass were determined and recorded as shown in the table
a) If these organisms had a feeding relationship, construct a simple food chain involving all the organisms
b) Construct pyramid of numbers using the data provided above
c) State one disadvantage of using pyramid of number in expressing feeding relationships in ecological ecosystem
Date posted:
June 15, 2019
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Answers (1)
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In a certain school Form three class did an experiment to estimate the number of Tilapia
in their fish pond. 725 tilapia were netted marked and...
(Solved)
In a certain school Form three class did an experiment to estimate the number of Tilapia
in their fish pond. 725 tilapia were netted marked and released.
a) State the method used in this exercise
b) Calculate the tilapia population.
c) State two assumptions made by the students during the investigation
Date posted:
June 15, 2019
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Answers (1)
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Use the food web below to answer the questions that follow:-
(a) Construct a food chain ending with crocodile as a quartenary consumer
(b) Name the organisms...
(Solved)
Use the food web below to answer the questions that follow:-
(a) Construct a food chain ending with crocodile as a quartenary consumer
(b) Name the organisms in the food web hat has only one predator
Date posted:
June 15, 2019
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Answers (1)
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Explain why Biomass of producers is greater than that of primary consumers in a balanced ecosystem.
(Solved)
Explain why Biomass of producers is greater than that of primary consumers in a balanced ecosystem.
Date posted:
June 15, 2019
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Answers (1)
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Explain why the biomass of organisms decreases at each preceding trophic level.
(Solved)
Explain why the biomass of organisms decreases at each preceding trophic level.
Date posted:
June 15, 2019
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Answers (1)
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Birds feed on grasshoppers that feed on grass.
Draw a possible food chain from the above information
(Solved)
Birds feed on grasshoppers that feed on grass.
Draw a possible food chain from the above information
Date posted:
June 15, 2019
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Answers (1)
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A student wanted to estimate the number of grasshoppers in 5km2 grass field near the school compound.
Using a sweep net he captured 36 grasshoppers. He...
(Solved)
A student wanted to estimate the number of grasshoppers in 5km2 grass field near the school compound.
Using a sweep net he captured 36 grasshoppers. He used a red felt pen to mark the thorax of each insect before releasing back into the field. Three days later he made another catch of grasshoppers. He collected 45 grasshoppers of which only 4 had been marked with red mark.
a) Name the above method used in the population estimation
b) Calculate the population of grasshoppers using the above data
Date posted:
June 15, 2019
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Answers (1)
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The graph below shows the changes in transpiration rate and the width of the stomatal aperture in Zea mays (maize) over a 24-hour period.
a) What...
(Solved)
The graph below shows the changes in transpiration rate and the width of the stomatal aperture in Zea mays (maize) over a 24-hour period.
a) What is meant by the term transpiration?
b) Account for the rate of transpiration between
i)3am and 5am
ii)6am -12 noon
iii)1.00 pm -9.00 pm
Date posted:
June 14, 2019
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Answers (1)