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Economic importance of insects.

Updated on March 9, 2011

Insect play major role in human life both in primary production and in decomposition and serve as major food source for many vertebrate directly or indirectly

              Biologically insect serve as food in many part of the world. Insect are used as source of food for human e.g. (grasshopper) and palm weevil. They are highly digestible protein and energy source .also they are the principal food for many birds and reptile and the survival of insect pollinated plant depend on them. Bees are not the important pollinator.

In Africa and other part of the world pollination is largely done by flies and butterflies. Insect act as pest to plant, some insect that eat plant leaves affect the growth of plant  there by reduce the crop yield and production of the plant.   

Some insect takes man as host thereby causing injuries that even serve for secondary infection. Insect that lives as parasite on the other animal causing diseases, reduce the meat value and a decrease in the value of hides and skin.

Finally, Insect has provided biologist with outstanding material for genetic, physiological, development and ecological studies.    

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      Bollywood Wallpapers 6 years ago

      Its very true...This is very nice site

    • profile image

      sadaf 6 years ago

      plz give me detail study of insects and recent data about role of insect as bad and good role in the world?

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      not nice 6 years ago

      that has nothin to do with what i ask for

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      andrebreynolds 5 years ago

      Great articles to found.

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      Itepu Emmanuel 5 years ago

      I love this site ,there are a lot of information keep it up

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      sarifah 5 years ago

      im study in science(biology), ur site can be a info.great site

    • profile image

      wamala 5 years ago

      its great continue

    • profile image

      mustapha kaka 5 years ago

      i love this site

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      Vivian 5 years ago

      God bles u 4 given u this kind of wisdom 4 this site foramation

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      omoyiwola 5 years ago

      This page has really help me with my assignment..

    • esheya profile image
      Author

      esheya 5 years ago from Nigeria

      Thank you for reading my article. I'm glad to know that you found it helpful.

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      Elachi LordLucky Edoka 5 years ago

      Nice work, but could you please tell me more about INSECT GROUP of economic importance?

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      Mohaa 5 years ago

      Actualy ur article is quite fine continue the same but pleas modify so much on the harmfulness and economic importance

    • profile image

      Evans 5 years ago

      The site is amazing, i learn more about insects that i didn't know. Please educate more.

    • profile image

      ANNUCIATHA 5 years ago

      NICE BUT PLEASE EXPLAIN MORE ON HARMFULNESS OF INSECTS

    • profile image

      gideon agwara 5 years ago

      u are too much keep the flame burning i like it

    • profile image

      audrie valencia 5 years ago

      hei its wow

    • profile image

      ABDULLAHI SHABA 5 years ago

      I still need more about d economic importanat of insect

    • profile image

      ASKatana 5 years ago

      Still need more information

    • profile image

      ashish 5 years ago

      nice information

    • profile image

      Odubanjo abolanle 5 years ago

      This is a very educating site, i love it

    • profile image

      Lucky peace 5 years ago

      9ice work bt i stil need to know more about d economic importance of insect

    • profile image

      Idy tony maria 4 years ago

      I love this site,but specifically talk about arachnids.

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      Sojachukwu blessing 4 years ago

      I must tell u the truth it's simlpy nice,but pls more infor on economic importance of pest

    • profile image

      kingsley chigozie 4 years ago

      wow am speechless bt no thing is bad

    • profile image

      Aniakor christiana chiamaka 4 years ago

      Wel done boy, i luv ur article

    • profile image

      Farooq khawas 4 years ago

      great site it is

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      DAN ku 4 years ago

      Cud u plz give more information with ref: to crop insect pest

    • profile image

      sanjeev 4 years ago

      nice site dude jus try i...:) its jus yipppeee

    • profile image

      soundaryahalapla 4 years ago

      the page has realy help me with my assignment......... Thanks

    • profile image

      KIMBERLY 4 years ago

      MORE MORE MORE

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      wasim abbas 4 years ago

      hello , any body here to help me in share of information on economic of entomology in america. year 2012 record of cost of fighting insect in u.s.a. , u.k . africa.

      swasim.abbas@GMAIL.COM

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      REENA 3 years ago

      ITS NICE .I LIKE IT VERY MUCH...

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      febin francis 2 years ago

      Help me to do my home work..

    • esheya profile image
      Author

      esheya 2 years ago from Nigeria

      what is your homework @ Francis

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      abdullahi yussuf 2 years ago

      waw!!nice explanation infact

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      sandra 24 months ago

      its wonderful but i still need more information for my homework

    • profile image

      olivia 23 months ago

      Helpful and educative information

    • profile image

      mubarak habibu wambai 22 months ago

      nice comment, pls i need more about the economic importances of insect

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      ummah naiya 20 months ago

      perfect explanation site, but Still need more explanation please

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      kdj 20 months ago

      I like this siite

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      Docky 19 months ago

      Pls u guys should just gv him nd dat is my own home work

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      chinny 19 months ago

      This site has bn a grt source of knowledge,to me....Nice job!kip it up.

      7

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      kaveri 19 months ago

      How sweet! explanation for insect

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      michele 19 months ago

      please what are the economic importance of insect pest in crop production

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      PHILIPO R 17 months ago

      Posted by Mr. philipo Revocatus, a professional teacher....holder of bachelor degree of education in science......

      NECTA 2005

      SECTION B

      4.

      a) Outline four differences between plant cell and animal cell

      b) What is first aid?

      c) List four components of first aid kit

      d) Briefly outline three methods of providing first aid to a victim of fainting

      5. a) differentiate between the following;

      i. Osmosis and diffusion

      ii. Gaseous exchange and respiration

      iii. Transpiration and Gutation

      b) Draw a well labeled diagram of a generalized plant cell as seen under light microscope.

      c)

      i. Name any four cells found in the pant body

      ii. Name any four cells found in the animal body

      6. a) If the body does not get enough of the food substances, a certain disorder occur. Such disorders are generally called deficiency diseases.

      Food substances lacking in the diet Deficiency disease

      calcium …………………………

      Vitamin B1 ……………………………

      iodine …………………………….

      Iron ……………………………

      Pellagra

      Vitamin D …………………………….

      ………………………. Night blindness

      b) Name three elements that forms carbohydrates

      7. a) state with one example each the major kingdoms of living things

      b) Study fig. X below carefully and answer questions that follow:

      i. What is the name of the organism in the figure X above?

      ii. In which kingdom does the organism in figure X belong?

      iii. Identify structures labeled A—D

      iv. List four economic importance of the organism in the figure X above.

      8. a biologist collected blood samples from an athlete at intervals to determine the amount of lactic acid accumulation.

      Time (minutes) Concentration of lactic acid(Mg/100cm3)

      0 3

      4 28

      8 50

      12 40

      16 33

      20 26

      40 8

      60 3

      Study the table below and answer questions that follow

      i. Name the process which leads to the accumulation of acid

      ii. In which animal tissue is lactic acid formed

      iii. What are the effects of accumulation of lactic acid in the body

      iv. From the results shown in the table above, which range of time represent the period of recovery?

      v. Write the word equation of anaerobic respiration in plants.

      SECTION B

      9. Write an essay on food preservation using the following guidelines

       Definition of food preservation

       Methods used in food preservation

       Examples of food preserved in each method

      10. Write an essay on gonorrhea using the following guidelines

       Causative agent

       Ways of transmission

       Symptoms

       Parts of the body infected

       Cure and prevention methods

    • profile image

      Fatima 17 months ago

      the page has really help me with my assignments,Nice work but I need more on drawings and importance

    • profile image

      angela 15 months ago

      Nice site

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      omanwa lameck@kisii Kenya 14 months ago

      I sincerely love the site it has helped me in my assignments

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      chidinma. 14 months ago

      i need more information on d importance of insect pest in crop production.

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      musa spp 9 months ago

      nice idea well done

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      mariam 2 months ago

      I need more information about the economic important

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