So as to reduce the rate of stomatal transpiration (water loss). As you all know plants lose most of their water through the stomata which are on leaves. So to avoid loosing more water the leaves are shed.
Musuwi answered the question on January 17, 2018 at 19:46
-
Describe how leaf is adapted to its function.
(Solved)
The question requires to explain how leaf is situated to its function.
Date posted:
January 17, 2018
.
Answers (1)
-
What is meant by the term internal environment in homeostasis.
(Solved)
What is meant by the term internal environment in homeostasis.
Date posted:
January 17, 2018
.
Answers (1)
-
State three differences between simple and conditioned reflex actions
(Solved)
State three differences between simple and conditioned reflex actions
Date posted:
January 17, 2018
.
Answers (1)
-
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...
(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.
b)Name one trait in human beings that is determined by multiple allele.
c)Name one genetic disorder affecting the human eye
Date posted:
January 17, 2018
.
Answers (1)
-
State the function of a bait trap as used in collection of specimens
(Solved)
State the function of a bait trap as used in collection of specimens
Date posted:
January 10, 2018
.
Answers (1)
-
Describe the digestion of ugali and meat
(Solved)
Describe the digestion of ugali and meat.
Date posted:
January 2, 2018
.
Answers (1)
-
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)
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 impaired. Explain
Date posted:
December 30, 2017
.
Answers (1)
-
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
.
Answers (1)
-
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.
b)Give an explanation for the average diameter of the cells placed in 15%
c) Name the process that occurred in the cells which were placed in 1% sugar solution.
Date posted:
December 24, 2017
.
Answers (1)
-
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
.
Answers (1)
-
An experiment was carried out to investigate the response of white termites to a certain stimulus. Ten termite were placed at the centre of glass...
(Solved)
An experiment was carried out to investigate the response of white termites to a certain stimulus. Ten termite were placed at the centre of glass tubing. Calcium chloride was placed one end of the tubing and moist cotton wool at the other end.
(a)What observations are made after 20 minutes?
(b)What type of response is exhibited by the termites?
(c)What is the survival value of the above response?
(d)What is Photonasty?
Date posted:
December 24, 2017
.
Answers (1)
-
Describe the structure and functions of various organelles in a mature animal cell.
(Solved)
Describe the structure and functions of various organelles in a mature animal cell.
Date posted:
December 23, 2017
.
Answers (1)
-
Why is the palisade layer a tissue?
(Solved)
Why is the palisade layer a tissue?
Date posted:
December 22, 2017
.
Answers (1)
-
Which component of the diet assists in peristalsis?
(Solved)
Which component of the diet assists in peristalsis?
Date posted:
December 13, 2017
.
Answers (1)
-
Explain why the following are done during preparation of a slide for observation under a light microscope
(Solved)
Explain why the following are done during preparation of a slide to be observed under a light microscope
i)Staining
ii)Use of a sharp cutting blade
iii)Cutting thin sections
iv)Keeping the specimen on water
Date posted:
December 7, 2017
.
Answers (1)
-
Give any six literary forms used in writing the bible giving examples of each.
(Solved)
Give any six literary forms used in writing the bible giving examples of each.
Date posted:
December 7, 2017
.
Answers (1)
-
Give the function of sodium hydrogen carbonate found in pancreatic juice.
(Solved)
Give the function of sodium hydrogen carbonate found in pancreatic juice.
Date posted:
December 6, 2017
.
Answers (1)
-
Explain what happens during digestion of food in the mouth.
(Solved)
Explain what happens during digestion of food in the mouth.
Date posted:
December 6, 2017
.
Answers (1)
-
Explain four ways in which the capillaries are suited to carrying out their functions
(Solved)
Explain four ways in which the capillaries are suited to carrying out their functions
Date posted:
December 6, 2017
.
Answers (1)
-
Name the functions of the following parts of a tooth: (i) Enamel (ii) Pulp cavity (iii) Cement
(Solved)
Name the functions of the following parts of a tooth:
(i) Enamel
(ii) Pulp cavity
(iii) Cement
Date posted:
December 6, 2017
.
Answers (1)