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Thin for faster diffusion of
gases;
Moist to dissolve diffusing
gases;
Vascularised to transport
gases; (3mks)
alexis sadro answered the question on October 8, 2017 at 15:43
- Name an end product of photosynthesis that may be found in the inter-cellular spaces of a leaf.(Solved)
Name an end product of photosynthesis that may be found in the inter-cellular spaces of a leaf.
Date posted: October 8, 2017. Answers (1)
- The shirt of a student was stained by solution of DCPIP. A friend advised him to wash with lemon juice. Explain.(Solved)
The shirt of a student was stained by solution of DCPIP. A friend advised him to wash with lemon juice. Explain.
Date posted: October 8, 2017. Answers (1)
- a) Define the term ‘Parthenocarpy’ (b) Name one plant growth hormone that promotes Parthenocarpy(Solved)
a) Define the term ‘Parthenocarpy’ (b) Name one plant growth hormone that promotes Parthenocarpy
Date posted: October 8, 2017. Answers (1)
- a) Name two excretory products produced by both plants and animals. (b) What is the name given to the product which excess amino acids are(Solved)
a) Name two excretory products produced by both plants and animals. (b) What is the name given to the product which excess amino acids are
Date posted: October 8, 2017. Answers (1)
- a) State the category of variation into the following traits fall. (i) Skin pigmentation (ii) Blood group (b) Give two possible genotypes of blood group A(Solved)
a) State the category of variation into the following traits fall. (i) Skin pigmentation (ii) Blood group (b) Give two possible genotypes of blood group A
Date posted: October 8, 2017. Answers (1)
- State the name given to the study of (a) Chemical changes in living organisms (b) Insects(Solved)
State the name given to the study of (a) Chemical changes in living organisms (b) Insects
Date posted: October 8, 2017. Answers (1)
- What is taxonomy?(Solved)
What is taxonomy?
Date posted: October 8, 2017. Answers (1)
- Why is HIV/AIDS not be classified as an organism?(Solved)
Give reason why HIV/AIDS can not fit to be termed as organism.
Date posted: October 7, 2017. Answers (1)
- Alcohol is one of the drugs that is abused in our society.Give two effects in the body after taking alcohol(Solved)
Alcohol is one of the drugs that is abused in our society.Give two effects in the body after taking alcohol
Date posted: October 6, 2017. Answers (1)
- (a)What is the importance of the of following in a ecosystem?
(i)Decomposers
(ii)predation
(b)Give a reason why two species in an ecosystem cannot occupy the same niche
(c)Give the...(Solved)
(a)What is the importance of the of following in a ecosystem?
(i)Decomposers
(ii)predation
(b)Give a reason why two species in an ecosystem cannot occupy the same niche
(c)Give the bacteria found in root nodules of leguminous plant
Date posted: October 6, 2017. Answers (1)
- (a)Name two membranes that materials from outside the cell will have to pass through before they enter into a sap vacuole(b)Explain why the number of...(Solved)
(a)Name two membranes that materials from outside the cell will have to pass through before they enter into a sap vacuole
(b)Explain why the number of red blood cells decrease when placed in a hypotonic solution
Date posted: October 6, 2017. Answers (1)
- (a)Name the process by which urea is removed from the blood in the kidney.(b)Name three excretory products released by human skin (Solved)
(a)Name the process by which urea is removed from the blood in the kidney.
(b)Name three excretory products released by human skin
Date posted: October 6, 2017. Answers (1)
- Name the tissue that carries out the following function in mammals.
(i)Transport oxygen throughout the body
(ii)Supports the animal's body off the ground
(iii)Transmits impulse from one...(Solved)
Name the tissue that carries out the following function in mammals.
(i)Transport oxygen throughout the body
(ii)Supports the animal's body off the ground
(iii)Transmits impulse from one part of the body to another
Date posted: October 6, 2017. Answers (1)
- (a)Give the main function of muscles found along the gut
(b)Give the function of roughage in human body(Solved)
(a)Give the main function of muscles found along the gut
(b)Give the function of roughage in human body
Date posted: October 6, 2017. Answers (1)
- (A)Birds have beaks which are structurally modified to different modes of feeding.
(i)What is the name given to such structures in evolution
(ii)What is the name given...(Solved)
(A)Birds have beaks which are structurally modified to different modes of feeding.
(i)What is the name given to such structures in evolution
(ii)What is the name given to the evolution of the beaks of birds?
(b)State the roles of lamarck's theory of evolution
Date posted: October 6, 2017. Answers (1)
- (a)Name the tissue that is responsible for secondary thickening in plants.
(b)Explain how the tissue named in (a) above gives rise to secondary xylem and...(Solved)
(a)Name the tissue that is responsible for secondary thickening in plants.
(b)Explain how the tissue named in (a) above gives rise to secondary xylem and secondary phloem.
Date posted: October 6, 2017. Answers (1)
- (i)Give two examples of sex linked trait in humans on Y-chromosome.(ii)colour blindness is a sex linked trait that is more common in males that in...(Solved)
(i)Give two examples of sex linked trait in humans on Y-chromosome.
(ii)colour blindness is a sex linked trait that is more common in males that in females.Explain
Date posted: October 6, 2017. Answers (1)
- (a)What prevents blood in veins from flowing backward?
(b)state three ways in which the red blood cells are structurally adapted to their function (Solved)
(a)What prevents blood in veins from flowing backward?
(b)state three ways in which the red blood cells are structurally adapted to their function
Date posted: October 6, 2017. Answers (1)
- Explain why the following characteristics are essential to living organisms:
(a)Respiration
(b)Reproduction(Solved)
Explain why the following characteristics are essential to living organisms:
(a)Respiration
(b)Reproduction
Date posted: October 6, 2017. Answers (1)
- Which part of the brain is responsible for:
(a)Controlling the rate of breathing
(b)Detecting changes in internal temperature(Solved)
Which part of the brain is responsible for:
(a)controlling the rate of breathing
(b)Detecting changes in internal temperatures
Date posted: October 6, 2017. Answers (1)