Nucleolus
ambrose92 answered the question on November 29, 2017 at 10:28
- State four ways in which anaerobic respiration differs from aerobic respiration(Solved)
State four ways in which anaerobic respiration differs from aerobic respiration.
Date posted: November 28, 2017. Answers (1)
- What are the adaptations of xerophytes?(Solved)
What are the adaptations of xerophytes?
Date posted: November 22, 2017. Answers (1)
- The graph below shows daily variation of human body temperature over three days(Solved)
The graph below shows daily variation of human body temperature over three days
(i)What is the maximum range of body temperature under normal conditions as shown in the graph?
(ii)At what time each day does body temperature drop to its lowest level?
(iii)Suggest a reason for the drop in temperature at the time referred to in (ii) above
(iv)Children typically have higher temperature than adults.Suggest a reason for this
(v)What is the advantage of the higher body temperature in children?
Date posted: November 21, 2017. Answers (1)
- Study the diagram below and answer questions that follow(Solved)
Study the diagram below
(i)Identify the organism shown in the diagram
(ii)To which kingdom does this organism belong
(iii)Name the parts labelled A,B and C
(iv)(a)Give a role other than anchorage,for structure X
(b)Describe how X carries out this role
(v)Which term describes the mode of nutrition of this organism
(vi)The cells of these organism are described as eukaryotic.Give one characteristic features of eukaryotic
Date posted: November 21, 2017. Answers (1)
- The diagram below represents the cell cycle(Solved)
The diagram below represents the cell cycle
(a)What stage of the cell cycle is represented by X
(b)Give the names of the three processes involving DNA which take place during stage X
(c)For convenience of study,mitosis is divided into four stages. list these in order starting at A
(d)In which of the stages off mitosis that you have listed in (c) would you expect to see the spindle
fibres contracting?
Date posted: November 21, 2017. Answers (1)
- Which waste product is almost absent in the renal vein but present in the renal artery?(Solved)
Which waste product is almost absent in the renal vein but present in the renal artery?
Date posted: November 20, 2017. Answers (1)
- The diagram shows microscopic detail from a human lung(Solved)
The diagram shows microscopic detail from a human lung
(i)Name the part labelled A,B and C
(ii)Give two features of the structures in the diagram that allow for efficient gas exchange
(iii)Which gas,dissolved in the blood,can trigger deeper or faster breathinggf
Date posted: November 20, 2017. Answers (1)
- The diagram shows a stage of mitosis(Solved)
The diagram shows a stage of mitosis
(a)Name A and B
(b)What is happening during this stage of mitosis
(c)How many cells are formed when a cell divides by mitosis?
(d)For what purpose do a single-celled organisms use mitosis
Date posted: November 20, 2017. Answers (1)
- The diagram below shows a pyramid of numbers
(Solved)
The diagram below shows a pyramid of numbers
Name the trophic levels A,B and C in the pyramid of numbers.
Date posted: November 20, 2017. Answers (1)
- The diagram below shows the internal structure of a leaf(Solved)
The diagram below shows the internal structure of a leaf
(i)Name the one tissue type that is found at both W and X
(b)The cell at W contains many organelles that carry out photosynthesis.
Suggest why the cells at W contain more of these organelles than the cells at cells at X
(c)In layer X,gases can diffuse throughout the leaf.Name one such gas
(d)State one function of the opening at Z
Date posted: November 20, 2017. Answers (1)
- What is a test cross?(Solved)
What is a test cross?
Date posted: November 20, 2017. Answers (1)
- The diagram below shows a section through human skin(Solved)
The diagram below shows a section through human skin
(i)Name the parts labelled A,B and C
(ii)The skin is one of the excretory organs in humans
name one substance excreted by the skin
(iii)List two other functions of the skin
Date posted: November 20, 2017. Answers (1)
- The diagram below represents a transverse section through part of a plant(Solved)
The diagram below represents a transverse section through part of a plant
(a)Does the diagram represent a root or a stem?
(b)The letters A,B,C in the diagram,represent three different tissue types.Match each letter with its
correct tissue type in the following list
-Ground tissue
-Epidermal tissue
-Vascular tissue
(c)State a function of vascular tissue
(d)Name the two types of vascular tissue in plants
Date posted: November 20, 2017. Answers (1)
- Amoeba is a tiny ,one-celled organism.This diagram below shows the structure of a fresh water Amoeba as seen through a light microscope (Solved)
Amoeba is a tiny ,one-celled organism.This diagram below shows the structure of a fresh water Amoeba as seen through a light microscope
(a)Name parts labelled A,C and D on the diagram
(b)state:-One function of part A
-One function of part C
Date posted: November 20, 2017. Answers (1)
- The diagram below shows a feeding relationship in an ecosystem.Study it and answer the questions that follow.(Solved)
The diagram below shows a feeding relationship in an ecosystem.Study it and answer the questions that follow.
(a)Name the organisms through which natural energy enters the ecosystem
(b)In what trophic level are the leopards?
(c)What would be the short term effect of introducing caterpillars and locust in the ecosystem?
Date posted: November 20, 2017. Answers (1)
- (a) Which taxon has the largest number of members.(b) Outline two physical features that make man and apes very different. (Solved)
(a) Which taxon has the largest number of members.
(b) Outline two physical features that make man and apes very different.
Date posted: November 18, 2017. Answers (1)
- Study the diagram below and answer the questions that follow (Solved)
Study the diagram below and answer the questions that follow
(i)Name cells A and B
(ii)Name two ways in which cell B is adapted to its function
Date posted: November 18, 2017. Answers (1)
- State the theories explaining the origin of HIV/AIDS(Solved)
State the theories explaining the origin of HIV/AIDS
Date posted: November 18, 2017. Answers (1)
- The diagram below represents a neurone .Use it to answer questions that follow.(Solved)
The diagram below represents a neurone .Use it to answer questions that follow.
(a)Identify the neurone.
(b)Using an arrow ,show the direction of impulse.
(c)Name the parts labeled
(i)Q………………………………………………..
(ii)P……………………………………………………
(iii)S…………………………………………………….
(d)Name the neurotransimitter substance released at part S
(e)Identify the damaged parts of the brain that would exhibit the following symptoms.
(i)Loss memory
(ii)Inability to maintain proper body balance and posture
Date posted: November 18, 2017. Answers (1)
- Use the photograph of mammalian digestive system and associated organs to answer the questions that follow.(Solved)
Use the photograph of mammalian digestive system and associated organs to answer the questions that follow.
(i)Name the structures marked A,R,K and T
A……………………………………………….
R…………………………………………..
k……………………………………………………..
T…………………………………………………………..
(ii)Name an acid found on structure labelled K.
(iii)Name the juice stored in the structure labelled B and give its function
Juice…………………….
Function…………………………………………..
Date posted: November 18, 2017. Answers (1)