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1.   The government of Kenya has been involving herself in business. Explain five method of government involvement in business. (Answered)
The government of Kenya has been involving herself in business. Explain five method of government involvement in business. .
Posted On:Mon 22, March 2021 16:28:52 pm
2.   Explain five unique characteristics of services. (Answered)
Explain five unique characteristics of services. .
Posted On:Mon 22, March 2021 16:27:12 pm
3.   Describe the role of hormones in the human menstrual cycle (Answered)
Describe the role of hormones in the human menstrual cycle .
Posted On:Sun 21, March 2021 07:07:22 am
4.   State three advantages of a sexual reproduction (Answered)
State three advantages of a sexual reproduction .
Posted On:Sun 21, March 2021 07:03:36 am
5.   Explain why sexual reproduction is important in organisms (Answered)
Explain why sexual reproduction is important in organisms .
Posted On:Sun 21, March 2021 07:02:01 am
6.   Which sex chromosomes are found in human? Sperm cell and Ova (Answered)
Which sex chromosomes are found in human? Sperm cell and Ova .
Posted On:Sun 21, March 2021 07:01:09 am
7.   List four differences between meiosis and mitosis (Answered)
List four differences between meiosis and mitosis .
Posted On:Sun 21, March 2021 06:59:46 am
8.   Figures 1 and 2 below represent reproductive organ of plants and an animal respectively. (a) Which letters in figures 1 and 2 represents the organs that produce female gametes? Figure 1 and Figure 2 (b) What is the function of the structure labeled S? c) Name the structure labeled W (d) Which letters in figures 1 and 2 represents the structures where fertilization takes place (e) Which letter in (Answered)
Figures 1 and 2 below represent reproductive organ of plants and an animal respectively. (a) Which letters in figures 1 and 2 represents the organs that produce female gametes? Figure 1 and Figure 2 (b) What is the function of the structure labeled S? c) Name the structure labeled W (d) Which letters in figures 1 and 2 represents the structures where fertilization takes place (e) Which letter in .
Posted On:Sun 21, March 2021 06:57:10 am
9.   Give a reason why it is necessary for frogs to lay many eggs (Answered)
Give a reason why it is necessary for frogs to lay many eggs .
Posted On:Sun 21, March 2021 06:51:46 am
10.   Describe the role or each of the following hormones in the human menstrual cycle (i) Oestrogen (ii) Progesterone (iii) Luteinising hormone (Answered)
Describe the role or each of the following hormones in the human menstrual cycle (i) Oestrogen (ii) Progesterone (iii) Luteinising hormone .
Posted On:Sun 21, March 2021 06:49:27 am
11.   The diagram below illustrates the role played by red blood cells in the transportation of carbon (IV)oxide. (a) Other than carbon (IV) oxide transportation in the red blood cells, name the other form of carbon (IV) oxide transportation in humans. (b) (i) name substance F. (ii) name the enzyme marked G and state its role in the reaction. (Answered)
The diagram below illustrates the role played by red blood cells in the transportation of carbon (IV)oxide. (a) Other than carbon (IV) oxide transportation in the red blood cells, name the other form of carbon (IV) oxide transportation in humans. (b) (i) name substance F. (ii) name the enzyme marked G and state its role in the reaction. .
Posted On:Sat 20, March 2021 15:20:43 pm
12.   Explain why transportation of carbon (IV) oxide in red blood cells is advantageous (Answered)
Explain why transportation of carbon (IV) oxide in red blood cells is advantageous .
Posted On:Sat 20, March 2021 15:13:53 pm
13.   Explain the role of calcium in blood clotting. (Answered)
Explain the role of calcium in blood clotting. .
Posted On:Sat 20, March 2021 15:12:21 pm
14.   Why is a burning charcoal stove in a poorly ventilated room likely to cause death of the inhabitants? (Answered)
Why is a burning charcoal stove in a poorly ventilated room likely to cause death of the inhabitants? .
Posted On:Sat 20, March 2021 15:10:27 pm
15.   Describe the process of blood clotting in human beings. (Answered)
Describe the process of blood clotting in human beings. .
Posted On:Sat 20, March 2021 15:07:07 pm
16.   Explain three protective functions of mammalian blood. (Answered)
Explain three protective functions of mammalian blood. .
Posted On:Sat 20, March 2021 15:04:22 pm
17.   State the advantage of possessing blood group AB. (Answered)
State the advantage of possessing blood group AB. .
Posted On:Sat 20, March 2021 15:02:54 pm
18.   Using a relevant example, describe how an allergic reaction occurs in a human being. (Answered)
Using a relevant example, describe how an allergic reaction occurs in a human being. .
Posted On:Sat 20, March 2021 15:01:17 pm
19.   State two differences between open and closed circulatory systems (Answered)
State two differences between open and closed circulatory systems .
Posted On:Sat 20, March 2021 14:58:01 pm
20.   What is the function of contractile vacuoles of amoeba? (Answered)
What is the function of contractile vacuoles of amoeba? .
Posted On:Sat 20, March 2021 14:55:39 pm
21.   Name the muscles found in the following organs: -Stomach -Bone (Answered)
Name the muscles found in the following organs: -Stomach -Bone .
Posted On:Sat 20, March 2021 14:54:47 pm
22.   State two ways in which heart muscles are special (Answered)
State two ways in which heart muscles are special .
Posted On:Sat 20, March 2021 14:53:34 pm
23.   Describe the condition known as varicose veins (Answered)
Describe the condition known as varicose veins .
Posted On:Sat 20, March 2021 14:52:02 pm
24.   What is the role of blood platelets in the clotting process? (Answered)
What is the role of blood platelets in the clotting process? .
Posted On:Sat 20, March 2021 14:51:15 pm
25.   The diagram below shows blood circulation in mammalian tissue. (a) Name the parts labeled P and Q. (b) Name the substances that are: (i) Required for respiration that move out of capillaries (ii) Removed from tissue cells as a result of respiration. (c) Name one component of the blood that is not found in the part labeled (Answered)
The diagram below shows blood circulation in mammalian tissue. (a) Name the parts labeled P and Q. (b) Name the substances that are: (i) Required for respiration that move out of capillaries (ii) Removed from tissue cells as a result of respiration. (c) Name one component of the blood that is not found in the part labeled .
Posted On:Sat 20, March 2021 14:49:17 pm
26.   Explain how substances move from blood capillaries into the tissue cells (Answered)
Explain how substances move from blood capillaries into the tissue cells .
Posted On:Sat 20, March 2021 14:44:08 pm
27.   State three structural differences between arteries and veins (Answered)
State three structural differences between arteries and veins .
Posted On:Sat 20, March 2021 14:42:26 pm
28.   Explain three ways in which red blood cells are adapted to their function (Answered)
Explain three ways in which red blood cells are adapted to their function .
Posted On:Sat 20, March 2021 14:41:08 pm
29.   Explain why it is not advisable to be in a poorly ventilated room with a burning charcoal stove (Answered)
Explain why it is not advisable to be in a poorly ventilated room with a burning charcoal stove .
Posted On:Sat 20, March 2021 14:39:11 pm
30.   State three structural differences between arteries and veins in mammals (Answered)
State three structural differences between arteries and veins in mammals .
Posted On:Sat 20, March 2021 14:37:45 pm
31.   Name a disease that causes thickening and hardening of arteries (Answered)
Name a disease that causes thickening and hardening of arteries .
Posted On:Sat 20, March 2021 14:36:18 pm
32.   Name the opening to the chamber of the heart of an insect (Answered)
Name the opening to the chamber of the heart of an insect .
Posted On:Sat 20, March 2021 14:35:02 pm
33.   Name an organism which has single circulatory system (Answered)
Name an organism which has single circulatory system .
Posted On:Sat 20, March 2021 14:34:17 pm
34.   What is a single circulatory system? (Answered)
What is a single circulatory system? .
Posted On:Sat 20, March 2021 14:33:22 pm
35.   State the adaptation that enables the red blood cells to move in blood capillaries (Answered)
State the adaptation that enables the red blood cells to move in blood capillaries .
Posted On:Sat 20, March 2021 14:28:17 pm
36.   Name the antigens that determine human blood groups (Answered)
Name the antigens that determine human blood groups .
Posted On:Sat 20, March 2021 14:27:36 pm
37.   State two ways in which the red blood cells are adapted to their function. (Answered)
State two ways in which the red blood cells are adapted to their function. .
Posted On:Sat 20, March 2021 14:26:18 pm
38.   What prevents blood in veins from flowing backwards? (Answered)
What prevents blood in veins from flowing backwards? .
Posted On:Sat 20, March 2021 14:24:52 pm
39.   State three functions of blood other than transport (Answered)
State three functions of blood other than transport .
Posted On:Sat 20, March 2021 14:23:33 pm
40.   Name one defect of circulatory system in humans (Answered)
Name one defect of circulatory system in humans .
Posted On:Sat 20, March 2021 14:22:23 pm
41.   Why would carboxylhaemoglobin lead to death? (Answered)
Why would carboxylhaemoglobin lead to death? .
Posted On:Sat 20, March 2021 14:21:29 pm
42.   The diagram below shows a vertical section through a mammalian heart. (a) Name the parts labeled A, B, E and F. (b) Give a reason why the wall of chamber C is thicker than chamber D. (Answered)
The diagram below shows a vertical section through a mammalian heart. (a) Name the parts labeled A, B, E and F. (b) Give a reason why the wall of chamber C is thicker than chamber D. .
Posted On:Sat 20, March 2021 14:20:17 pm
43.   Distinguish between natural and acquired immunity. (Answered)
Distinguish between natural and acquired immunity. .
Posted On:Sat 20, March 2021 14:12:37 pm
44.   In what form is oxygen transported from the lungs to the tissues? (Answered)
In what form is oxygen transported from the lungs to the tissues? .
Posted On:Sat 20, March 2021 14:11:32 pm
45.   Name the blood vessel that transports blood from: (i) Small intestines to the liver. (ii) Lungs to the heart. (Answered)
Name the blood vessel that transports blood from: (i) Small intestines to the liver. (ii) Lungs to the heart. .
Posted On:Sat 20, March 2021 14:09:53 pm
46.   The type of circulatory system found in members of the class insect is? (Answered)
The type of circulatory system found in members of the class insect is? .
Posted On:Sat 20, March 2021 14:08:19 pm
47.   A person whose blood group is AB requires a blood transfusion. Name the blood groups of the donors. (Answered)
A person whose blood group is AB requires a blood transfusion. Name the blood groups of the donors. .
Posted On:Sat 20, March 2021 14:06:52 pm
48.   Why are people with blood group O universal donors? (Answered)
Why are people with blood group O universal donors? .
Posted On:Sat 20, March 2021 14:03:37 pm
49.   How can low blood volume be brought back to normal? (Answered)
How can low blood volume be brought back to normal? .
Posted On:Sat 20, March 2021 14:02:10 pm
50.   Name the process by which the human body naturally stops bleeding? (Answered)
Name the process by which the human body naturally stops bleeding? .
Posted On:Sat 20, March 2021 14:01:26 pm
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