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Main function of leaf is

A. exchange of gases

B. increase the beauty of a tree

C. manufacturing of food

D. nerve impulse induction

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  1. The given figures (A & B) show two types of compound leaves. Choose the option which identity the…
  2. The given figure shows the parts of flowering plant. Which parts of the given figure were involved in…
  3. Which one of the following statement is not correct?
  4. Which of the following statement(s) is/are correct about the fruit?Fruit is a mature or ripened ovary,…
  5. Match the following placentation types given in column I with their examples given in column II and…
  6. Ginger is an underground stem. It is distinguished from root because
  7. The region of the stem where leaves are born are called ____________ while ____________ are the portions…
  8. Matching colmun I with column II and choose the correct option.Column IColumn IIA. ColeorhizaI. GrapesB.…
  9. Roots develop from parts of the plant other than radicle are called
  10. Floral features are chiefly used in angiosperms identification because
  11. Match column-I with column-II and choose the correct option.A. Gram, sem, moong,I. Medicine soyabeanB.…
  12. The main function(s) of root system is/are
  13. A sterile stamen is known as
  14. Which of the following is the green expanded part of leaf with vein and veinlets?
  15. When a flower can be divided into two equal radial halves in any radial plane passing through the centre,…
  16. Stilt roots occur in __________ .
  17. Seeds are regarded as products of sexual reproduction because they
  18. Fibrous roots develop in maize from
  19. The given figure shows the parts of mango and coconut. Choose the option which shows the correct labelling…
  20. Which one of the following structure is not associated with gynoecium?
  21. Which of the following statement(s) is/are correct about venation?(i) The arrangement of veins and the…
  22. Identify the kind of phyllotaxy shown in the given figures A, B, and C. 
  23. Statement-1 : Ginger has a prostrate-growing rhizome.Statement-2 : Shoot growth is not effected by gravity.
  24. Which is not a stem modification ?
  25. The X is small and situated in a groove at one end of the endosperm. It consists of one large and shield…
  26. The root differs from stem in having
  27. Match column - I, II and III and choose the correct option. 
  28. The region of the root-tip which is involved in the formation of root hairs by epidermal cells is called…
  29. Which of the following represents the floral characters of liliaceae?
  30. The main purpose of phyllotaxy for the leaves is to provide sufficient_______.