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2010 KCSE BIOLOGY TRIAL P1-001

11 Sep

2010 KCSE BIOLOGY TRIAL P1-001

Name…………………………………………………                      Index No. …………………….

School …………………………………………………                     Date……. …………………….

Sign……. …………………….

231/1

BIOLOGY

PAPER 1

JULY / AUGUST 2010

Time: 2 Hours

RARIEDA DISTRICT JOINT EVALUATION TEST – 2010

Kenya Certificate of Secondary Education (K.C.S.E)

231/1

BIOLOGY

PAPER 1

JULY / AUGUST 2010

Time: 2 Hours

INSTRUCTIONS TO CANDIDATES

  • Answer ALL the questions.

FOR EXAMINERS USE ONLY

QUESTION Max Score Candidate Score
1 – 28 80

This paper consists of  12 printed pages.

Candidates should check the question paper to ensure that all pages are printed as indicated

and no questions are missing

1.         Why are green plants referred to as primary producers in the ecosystem?                             (2mks)

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2.         A person whose blood group is AB requires a blood transfusion. Name the blood groups of the donors.                                                                                                                                       (1mk)

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3.         Name the part of the flowers that is responsible for production of gametes.                         (2mks)

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4.         State two functions of muscles found in the alimentary canal of mammals.                         (2mks)

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5.         Adult elephants flap their ears twice as much as their calves in order to cool their bodies when it is hot. Explain.                                                                                                                                   (2mks)

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6.         Name the blood vessel that transports blood from:-

(i)         Small intestines to the liver.                                                                                        (1mk)

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(ii)        Lungs to the heart                                                                                                       (1mk)

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7.         Name three types of chromosomal mutations.                                                                        (3mks)

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8.         Name three sites where gaseous exchange takes place in terrestrial plants.                           (3mks)

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9.         A bone obtained from a mammal is represented by the diagram below.

a)         Name the bone.                                                                                                           (1mk)

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b)         Which bones articulate with the bone shown in the diagram at the notch?               (2mks)

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10.       Name the phylum whose members possess notch chord.                                                       (1mk)

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11.       Distinguish between analogous and homologous structures.                                                 (2mks)

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12.       The diagram below represents regions of a root tip.

a)         Name the two regions above X in ascending order.                                                   (2mks)

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b)         State the function of the part labeled X.                                                                    (1mk)

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13.       Name the:

a)         Material that strengthen xylem tissue.                                                                        (1mk)

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b)         Tissue that is removed when the bark of a dicotyledonous plant is ringed.               (2mks)

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14.       a)         Distinguish between diffusion and osmosis.                                                              (2mks)

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b)        Outline three roles of active transport in the human body.                                        (3mks)

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15.       How is the epidermis of a leaf of green plant adapted to its functions.                                 (2mks)

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16.       a)         State two main branches of biology.                                                                          (2mks)

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17.       The scheme below shows two inter-related process A and B that occur in the same cell.

a)         Identify process A and B                                                                                           (2mks)

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b)         From the diagram, state two differences between process A and B.                         (2mks)

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18.       What is the difference between Darwinian and Lamarckian theories of evolution.                ( 2mks)

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19.       a)         Name the hormone that is responsible for apical dominance .                                    (1mk)

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b)         What is thigmotropism.                                                                                               (1mk)

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20.       a)         State two benefits of excretory products in plants.                                                    (2mks)

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b)         What is the role of ADH in osmoregulation.                                                              (2mks)

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c)         Name the disease caused by insufficient production of ADH in human.                  (1mk)

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21.       Give three importance of meiosis.                                                                                          (3mks)

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22.       State the events that take place during inhalation.                                                                 (3mks)

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23.       Name the organelle that:-

a)         Manufacture and transport lipids and steroids in a cell.                                             (1mk)

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b)         Contain enzymes that are capable of destroying old damaged cells.                         (1mk)

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c)         Control all the processes in a cell.                                                                               (1mk)

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d)         Form cilia and flagella in cells that have them.                                                           (1mk)

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24.       The scheme below shows a process that takes place in the human gut.

Trypsinogen + substance K          Trypsin

a)         Name substance K

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b)         In which part of the gut does the process occur.                                                        (1mk)

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c)         Name the substrate that is acted upon by trypsin and the product formed.               (2mks)

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25.       Define the following terms

(i)         Allele                                                                                                                           (1mk)

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(ii)               Zygote                                                                                                                         (1mk)

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(iii)       Mutant                                                                                                                                    (1mk)

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26.       Explain why division Pteridophyta is considered more advanced than division Bryophyta.            (3mks)

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27.       Explain how the following abiotic factors affect plants.

a)         Wind

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b)         Atmospheric pressure.                                                                                                 (2mks)

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28.       Describe what happens during the light stage of photosynthesis.                                          (3mks)

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END

 
19 Comments

Posted by on September 11, 2010 in Biology, Paper 1

 

Tags:

19 responses to “2010 KCSE BIOLOGY TRIAL P1-001

  1. LUKAS MABURI

    October 4, 2010 at 3:49 pm

    post marking schemes for business studies and maths. To my e-mail

     
    • revpalace

      October 22, 2010 at 11:20 pm

      Hi Lukas Maburi,

      Thanks for your notice. I have tried to make papers available online or availing the paper downloadable through the site.

      Please take heart and I’m attending to your specific plea!

       
  2. Isaac

    February 12, 2011 at 1:06 am

    I like the questions.but instead of sample papers,provide real kcse past papers with answers.

     
  3. Abdiweli

    March 4, 2012 at 4:15 pm

    I like it

     
  4. Maalim musa

    March 29, 2012 at 9:32 am

    It a gud paper bt plz am suggesting dat u giv answers

     
  5. MATHEW KIPCHUMBA

    July 2, 2012 at 3:30 pm

    GOOD WORK

     
    • Duduble

      September 16, 2013 at 1:43 am

      Mavalas work but ad moo + ansas

       
  6. paulo mutui

    November 26, 2012 at 3:23 pm

    am in need of biology marking schemes please

     
  7. Aron

    January 12, 2013 at 5:23 pm

    Gud work,keep it up

     
  8. flora muia

    May 27, 2013 at 6:56 pm

    gud work

     
  9. joel asol

    September 27, 2013 at 4:45 pm

    iko sawa!

     
  10. Jecinta barbara

    October 18, 2013 at 8:25 am

    Thanks very much…..

     
  11. quencyrugi

    October 29, 2013 at 7:56 pm

    it gives hope for future

     
  12. Edward

    February 26, 2014 at 9:51 pm

    You have good questions.

     
  13. Mahonga Benard

    April 6, 2014 at 12:38 pm

    marking schemes 4 bio p1 pls

     
  14. MIXO

    April 6, 2014 at 10:49 pm

    You are doing great

     
  15. Makebe Donald

    August 28, 2014 at 10:01 pm

    WE NEED 2013 EXAMS

     
  16. mwenenye

    March 28, 2015 at 6:21 pm

    very good revision questions and also my phone can also support this format but can not download notes.

     
    • revpalace

      March 28, 2015 at 10:54 pm

      Just decided to come up with something you could read anywhere despite the device.
      Thanks for your observation it will be looked into!

       

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