Get premium membership and access questions with answers, video lessons as well as revision papers.
Nose: the nasal cavities have highly vascularized membrane that warm up the air and moisten it;
has hair /produce mucus that trap dust particles and pathogens
gideon1 answered the question on September 25, 2017 at 17:06
- Name part of mammalian digestive system where the digestion of fats begins.(Solved)
Name part of mammalian digestive system where the digestion of fats begins.
Date posted: September 25, 2017. Answers (1)
- Give a reason why light stage of photosynthesis only takes place in granum of chloroplast.(Solved)
Give a reason why light stage of photosynthesis only takes place in granum of chloroplast.
Date posted: September 25, 2017. Answers (1)
- Explain what would happen to onion epidermal cells if they were placed in distilled water(Solved)
Explain what would happen to onion epidermal cells if they were placed in distilled water
Date posted: September 25, 2017. Answers (1)
- What is the biological importance of the larval stage during metamorphosis?(Solved)
What is the biological importance of the larval stage during metamorphosis?
Date posted: September 25, 2017. Answers (1)
- State the main characteristics of the five kingdoms of organisms?(Solved)
State the main characteristics of the five kingdoms of organisms?
Date posted: September 25, 2017. Answers (1)
- State briefly the general principles of classification of living organisms?(Solved)
State briefly the general principle of classification of living organisms?
Date posted: September 25, 2017. Answers (1)
- Describe the significance of metamerism evident in phylum annelida?(Solved)
the question reguires the learner give detailed evidences of metamerism strictly found in phylum annellida.
Date posted: September 24, 2017. Answers (1)
- Define the following terms: (a)biosphere. (b)habitat (c)ecological niche(Solved)
Define the following terms: (a)biosphere. (b)habitat (c)ecological niche
Date posted: September 24, 2017. Answers (1)
- Explain the developmental stage of infancy and how the following factors affects them: biological,social,cultural,emotional and state the educational implications on each(Solved)
Explain the developmental stage of infancy and how the following factors affects them: biological,social,cultural,emotional and state the educational implications on each
Date posted: September 23, 2017. Answers (1)
- Name the type of muscle found in the stomach(Solved)
Name the type of muscle found in the stomach
Date posted: September 22, 2017. Answers (1)
- (a) State two ways in which some fungi are harmful to man (b) Explain what would happen to red blood cells if they are placed in...(Solved)
(a) State two ways in which some fungi are harmful to man
(b) Explain what would happen to red blood cells if they are placed in a concentrated salt solution
Date posted: September 21, 2017. Answers (1)
- Define cellular respiration. (Solved)
Give a clear overview.
Date posted: September 21, 2017. Answers (1)
- Describe the role of the following organs in excretion and homeostasis.the liver, the skin during hot environmental conditions.(Solved)
Describe the role of the following organs in excretion and homeostasis: the liver, the skin during hot environmental conditions.
Date posted: September 20, 2017. Answers (1)
- Describe the process of blood clotting in human beings(Solved)
Describe the process of blood clotting in human beings.
Date posted: September 20, 2017. Answers (1)
- Using a microscope, a student counted 55 cells across a field of view whose diameter was 6000µm. Calculate the average length of the cells....(Solved)
Using a microscope, a student counted 55 cells across a field of view whose diameter was 6000µm. Calculate the average length of the cells
Date posted: September 20, 2017. Answers (1)
- Describe how turgor pressure builds up.
(Solved)
Tugor process
Date posted: September 20, 2017. Answers (1)
- (a) State two roles of mucus in the stomach. (b) Explain how age determines a person's energy requirements.(Solved)
(a) State two roles of mucus in the stomach.
(b) Explain how age determines a person's energy requirements.
Date posted: September 20, 2017. Answers (1)
- How does excretion take place in plants?Describe the role of the human skin in homeostasis.(Solved)
How does excretion take place in plants?Describe the role of the human skin in homeostasis.
Date posted: September 20, 2017. Answers (1)
- (i)How is sex determined in man? (ii) Differentiate between sickle cell anemia and sickle cell trait. (iii) Explain why people with sickle cell trait have an adaptive survival advantage...(Solved)
(i)How is sex determined in man?
(ii) Differentiate between sickle cell anemia and sickle cell trait.
(iii) Explain why people with sickle cell trait have an adaptive survival advantage...
Date posted: September 20, 2017. Answers (1)
- (a) Describe the mechanism of gaseous exchange in plants through the lenticels. (b) Explain each of the following:the tracheoles lack spiral bands of chitin;the floor of the mouth...(Solved)
(a) Describe the mechanism of gaseous exchange in plants through the lenticels. (b) Explain each of the following:the tracheoles lack spiral bands of chitin;the floor of the mouth...
Date posted: September 20, 2017. Answers (1)