(a)A-sister chromatid
B-Spindle fibre
(b)Sister chromatid are separating due to shortening of the spindle fibres as the shorten
(C)Two cells
(d)To produce daughter cells of the same kind
-To increase the pollution of such organisms
isaacmuthini answered the question on November 20, 2017 at 13:15
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(Solved)
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Name the trophic levels A,B and C in the pyramid of numbers.
Date posted: November 20, 2017. Answers (1)
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(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)
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Date posted: November 20, 2017. Answers (1)
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(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)
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(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
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-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)
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(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)
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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)
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(b) Outline two physical features that make man and apes very different.
Date posted: November 18, 2017. Answers (1)
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Date posted: November 18, 2017. Answers (1)
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Date posted: November 18, 2017. Answers (1)
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(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)
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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)
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(a)construct a dichotomous key that can be used to distinguish the organisms using the following observable features only
(i)Wings
(ii)pair of antennae
(iii)legs per segment
Give two distinguishing features common to the organisms shown above in (a)
Date posted: November 18, 2017. Answers (1)
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(a)(i)What is the identity of vertebra?
(ii) Identify the view presented by the diagram
(b)Label the parts shown as;
(i) J……………………………………………..
(ii) K………………………………………………
(iii) L………………………………………………….
( c) Name the vertebra that
(i)Anteriorly articulates the part K………………………………………………
(ii)Posteriorly articulates with part L……………………………….
(d)Name the resulting movement attained by the articulation referred to in c (i)
Date posted: November 18, 2017. Answers (1)
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Date posted: November 17, 2017. Answers (1)
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Date posted: November 17, 2017. Answers (1)
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b)Amoeba
c)Tilapia
d)Human beings
Date posted: November 17, 2017. Answers (1)
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(a)Using structures X and Y only,why does the organism not qualify as a plant
(b)What division does the moss and liverwort belong to in kingdom plantae?
Date posted: November 16, 2017. Answers (1)
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the pelvic girdle of a mammal is shown below.Study it and answer the questions that follow.
(a)(i)Name part labeled Y.
(ii)State three functions of part Y named in (a)(i)above.
Date posted: November 16, 2017. Answers (1)