1.Water-it provides the medium for enzymes to act and breaking the stored food into a soluble form.
2.Oxygen-it is required in the oxidition of food substances stored in the seed.
3.Temperature-seeds require an optimum temperature of 30 degrees.
4.Enzymes-they help in the breakdown and subsequent oxidation of food.
5.Hormones-they act as growth stimulators.
6.Viability-only seeds that are alive and healthy will be able to germinate and grow.
Kinyita answered the question on February 8, 2018 at 05:45
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Outline the characteristics of insect-pollinated flowers.
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Outline the characteristics of insect-pollinated flowers.
Date posted:
January 31, 2018
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Describe in details the eleven organ systems found in a human body
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January 31, 2018
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Discuss the below cells under the following subheadings: (a)cell adaptations. (b)cell functions. (i)Skin cell (ii)Nerve cell (iii)Muscle cell (iv)Red blood cell (v)Root hair cell (vi)Sperm cell
(Solved)
Discuss the below cells under the following subheadings: (a)cell adaptations. (b)cell functions.
i)Skin cell
ii)Nerve cell
iii)Muscle cell
iv)Red blood cell
v)Root hair cell
vi)Sperm cell
Date posted:
January 29, 2018
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(Solved)
Describe the adaptations of a mammalian ear to its functions.
Date posted:
January 29, 2018
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Describe the adaptations of a mammalian eye to its functions.
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January 29, 2018
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Describe how a mammalian heart is structurally adapted to its
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January 26, 2018
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Excretion in plants.
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January 25, 2018
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Differentiate between isolation and reverse barrier nursing.
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January 23, 2018
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Give the difference between monocular and binocular microscopes.
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January 21, 2018
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Why do desert plants shed their leaves during the dry season?
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January 17, 2018
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The question requires to explain how leaf is situated to its function.
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January 17, 2018
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What is meant by the term internal environment in homeostasis.
Date posted:
January 17, 2018
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State three differences between simple and conditioned reflex actions
Date posted:
January 17, 2018
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(Solved)
A common species of rats has individuals with white, black or grey coats. During a study of a rat with white coat was crossed with a rat with black coat. Both parents were pure lines. All the offspring in F1 generation had grey coats. Using letter B to represent the gene type for black coat and W for white coat, answer the questions that follow.
a) Suggest a reason to explain why there were no white or black rats in the F1 generation.
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c)Name one genetic disorder affecting the human eye
Date posted:
January 17, 2018
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Answers (1)
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State the function of a bait trap as used in collection of specimens
Date posted:
January 10, 2018
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Describe the digestion of ugali and meat.
Date posted:
January 2, 2018
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In an investigation the pancreatic duct of a mammal was blocked. It was found that the blood sugar regulation remained normal while food digestion was...
(Solved)
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Date posted:
December 30, 2017
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Answers (1)
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State two structural modifications of the kidneys of desert animals like the kangaroo rat.
(Solved)
State two structural modifications of the kidneys of desert animals like the kangaroo rat.
Date posted:
December 24, 2017
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Answers (1)
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The cells of a certain herbaceous plant were found to have a diameter of 25µm. The cells were placed in varying concentrations of sugar solution....
(Solved)
The cells of a certain herbaceous plant were found to have a diameter of 25µm. The cells were placed in varying concentrations of sugar solution. The average diameter of the cells in each solution was determined and the results obtained were as shown in the table below.
Concentration of sugar solution (%)---Diameter of cells (µm)
1----50
5----40
10----30
15----20
a)From the results determine the concentration of the cell sap.
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c) Name the process that occurred in the cells which were placed in 1% sugar solution.
Date posted:
December 24, 2017
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Answers (1)
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State three reasons that necessitate classification of living organisms by taxonomists.
(Solved)
State three reasons that necessitate classification of living organisms by taxonomists.
Date posted:
December 24, 2017
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Answers (1)