Get premium membership and access questions with answers, video lessons as well as revision papers.
(a)(i)Denitrification
(ii)Nitrogen fixation
(iii)R-Nitrifying bacteria e.g Nitrobacter
S-Nitrifying bacteria e.g Nitrosomonas
(b)When animals die they decay and decompose and are converted into Ammonium ion in the soil
isaacmuthini answered the question on November 16, 2017 at 07:25
- The diagram below shows how gaseous exchange occurs across the gill in fish(Solved)
The diagram below shows how gaseous exchange occurs across the gill in fish
(i)What is the term used to describe this type of flow displayed above?
(ii)What is the advantage of this flow system
(iii)Name an organ in human beings that displays this flow system
Date posted: November 16, 2017. Answers (1)
- Study the diagram K below and answer the questions (Solved)
Study the diagram K below and answer the questions
Name the division to which K belongs
Division……………………………………………………..
Reasons …………………………………………………………..
Sub-division………………………………………………………
Reason………………………………………………………………
Class……………………………………………………………………
Date posted: November 16, 2017. Answers (1)
- Use the diagrams below to answer the questions that follows(Solved)
Use the diagrams below to answer the questions that follows
(i)Identify the type of cell division
(ii)With a reason , name the stage of cell division represented in each case.
Date posted: November 16, 2017. Answers (1)
- State two adaptations of the nephron of a desert animal.(Solved)
State two adaptations of the nephron of a desert animal.
Date posted: November 16, 2017. Answers (1)
- State two ways in which plants get rid of their nitrogenous wastes. (Solved)
State two ways in which plants get rid of their nitrogenous wastes.
Date posted: November 16, 2017. Answers (1)
- State the role of saprophytes in an ecosystem(Solved)
State the role of saprophytes in an ecosystem
Date posted: November 16, 2017. Answers (1)
- When are the following hormones secreted: (a) Insulin (b)Antidiuretic hormone.(Solved)
When are the following hormones secreted:
a) Insulin
b) Antidiuretic hormone.
Date posted: November 16, 2017. Answers (1)
- Explain why amoeba does not require transport system.(Solved)
Explain why amoeba does not require transport system.
Date posted: November 16, 2017. Answers (1)
- It is necessary for large animals to have elaborate transport system. Explain (Solved)
It is necessary for large animals to have elaborate transport system. Explain
Date posted: November 16, 2017. Answers (1)
- State one way in which food moves in the phloem naturally.(Solved)
State one way in which food moves in the phloem naturally.
Date posted: November 16, 2017. Answers (1)
- Explain why cell walls of root hairs are thin.(Solved)
Explain why cell walls of root hairs are thin.
Date posted: November 16, 2017. Answers (1)
- Explain how stigma in wind pollinated flower is adapted to its function(Solved)
Explain how stigma in wind pollinated flower is adapted to its function
Date posted: November 16, 2017. Answers (1)
- What is the role of follicle stimulating hormone (FSH) in female menstrual cycle. (Solved)
What is the role of follicle stimulating hormone (FSH) in female menstrual cycle.
Date posted: November 15, 2017. Answers (1)
- State one function of the following structures in mammals: (a) Caecum (b) Spleen(Solved)
State one function of the following structures in mammals:
(a) Caecum
(b) Spleen
Date posted: November 15, 2017. Answers (1)
- Describe what happens during the dark stage of photosynthesis.(Solved)
Describe what happens during the dark stage of photosynthesis.
Date posted: November 15, 2017. Answers (1)
- State the role diaphragm;(a) In the light microscope (b) During ventilation in man(Solved)
State the role diaphragm;
a) In the light microscope
b) During ventilation in man
Date posted: November 15, 2017. Answers (1)
- Give the functions of the following organelles. (i) Centrioles (ii) Nucleolus(Solved)
Give the functions of the following organelles.
i) Centrioles
ii) Nucleolus
Date posted: November 15, 2017. Answers (1)
- Why is it necessary to use a sharp razor blade while preparing sections to be viewed under a light microscope? (Solved)
Why is it necessary to use a sharp razor blade while preparing sections to be viewed under a light microscope?
Date posted: November 15, 2017. Answers (1)
- Other than anchorage, state two other functions of rhizoids of mosses. (Solved)
Other than anchorage, state two other functions of rhizoids of mosses.
Date posted: November 15, 2017. Answers (1)
- Define the following terms:(a) Cytology (b) Microbiology(Solved)
Define the following terms:
a) Cytology
b) Microbiology
Date posted: November 15, 2017. Answers (1)