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Choose the correct combination.

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Match the columns and choose the correct combination : {:("Column I","Column II"),("(a) Auxin","(i) Colouring test in lemon"),("(b) Gibberellin","(ii) Cell division test in plants"),("(c) Cytokinin","(iii) Avena curvature test"),("(d) Ethylene","(iv) Dwarf corn test"):}

Match the following in column I with column II and choose the correct combination {:(,"Column" I,,"Column" II,),(A.,"Xylem vessels",1,"Store food materials",),(B.,"Xylem trachieds",2,"Obliterated lumen",),(C.,"Xylem fibre",3,"Perforate plates",),(D.,"Xylem parenchyma",4,"Chisel-like ends",):}

Match the columus and choose the correct combination {:("Growth Regulator"," Action"),("(a) Abscisic aicd","(1) Delays leaf abscission"),("(b) Ethylene","(2) Inhibits seed "),(," germination"),("(c) Cytokinin","(3) Herbicide"),("(d) Auxin","(4) Hastens fruit ripening"):}

Match the column -I and II and choose the correct combination from the given option. {:(,"Column I",,"Column II"),((A),"Apomixis",(I),"Sunflower"),((B),"Polyembryony",(II),"Banana"),((C),"Parthenocarpy",(III),"Mango"),((D),"Protandry",(IV),"Asteraceae"):}

Match the columns I and II, and choose the correct combination from the options given. {:("Column I","Column II"),("a. Brassica","1. Pusa Sawani"),("b.Cauliflower","2.Pusa Sadabahar"),("c.Chilli","3. Pusa Shubhra"),("d. Okra","4. Pusa Swarnim"):}

Match the column I with column II and choose the correct combination from the option given: {:("Column -I ","Column-II"),("(1)Deuteromycetes","(A) Morels"),("(2) Ascomycetes","(B)Smut"),("(3) Basidiomycetes","(C) Bread mould"),("(4)Phycomycetes","(D)Imperfect fungi"):}

Match items of column I with thoses of column II and choose the correct combinations {:(,"Column I",,"ColumnII"),(a,"Pneumonia",(p),"Vibro cholerae"),(b,"Citrus Canker",(q),"Mycobacterium leprae"),(c,"Cholera",(r),"Yersinia pestis"),(d,"Leprosy",(s),"Xanthomonas citri"),(,"",(t),"Diplococcus pneumoniae"):}

Match the Columns I and II, and choose the correct combination from the options given. {:("Column-I","Column-II"),("Taxonomis group","Threat of extinction"),((a)"Birds",(1)"12 per cent"),((b)"Amphibians",(2)"23 percent"),((c)"Mammals",(3)"31 per cent"),((d)"Gymnosperms",(4)"32 pert cent"):}

Choose correct combination for x,y and z

Choose correct combination for x,y and z

AAKASH SERIES-ORGANISMS AND POPULATIONS-EXERCISE-I (POPULATION INTERACTIONS)
  1. Cuckoo lays eggs in the nest of crow during breeding season. This is a...

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  2. Barnacles growing on the back of the whale exemplify

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  3. Which of the following is an example for commensalism?

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  4. An example for commensalism among the following is

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  5. Lichens represent mutualism between

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  6. What is axenic culture? Explain.

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  7. Which of the following is associated with the interaction between Medi...

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  8. Pollination in Ophrys ( a mediterranean orchid ) occurs by

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  9. Which of the following is an example of coevolution ?

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  10. The type of interaction between hermit crab and sea anemone is

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  11. The Prickly pear cactus introduced into Australia in the early 1920's ...

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  12. Assigning a '+' sign for beneficial interaction, '-' sign for detrimen...

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  13. Which one of the following is an example of mutualism ?

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  14. The evolution of the flowers of a plant and its pollinator species tig...

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  15. Which of the following statements incorrect?

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  16. Who studied the co-existence of five closely related species of warble...

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  17. Choose the correct combination.

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  18. Competitive exclusion principle was given by

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  19. Two species competing for the same resource can avoid competition by c...

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  20. Study the following table and choose the option that correctly identif...

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