(c) Author →(e) Pen →(a) Paper →(d) Book →(b) Library

Correct Option: C

Author writes with pen on paper. And as such, book is published. A large number of books are kept in library. Thus, Meaningful order:
(c) Author →(e) Pen →(a) Paper →(d) Book →(b) Library

(b) Wineyard →(a) Grapes →(e) Distillation →(d) Brewing →(c) Wine

Correct Option: A

Grapes are grown in wineyard. Grape is distilled and brewed to make wine.
(b) Wineyard →(a) Grapes →(e) Distillation →(d) Brewing →(c) Wine

b. Root → d. Stem → c. Branch → a. Leaf → e. Flower

Correct Option: C

The stages of development of a plant can be shown as:
b. Root → d. Stem → c. Branch → a. Leaf → e. Flower

e. Grass → c. Grass hopper → a. Frog → d. Snake → b. Eagle

Correct Option: C

Grasshopper eats grass. Frog eats grasshopper. Snake eats frog and finally eagle eats snake. Thus,
e. Grass → c. Grass hopper → a. Frog → d. Snake → b. Eagle

d. Student → b. Books → a. Study → c. Examination → e. Result

Correct Option: B

Meaningful order:
d. Student → b. Books → a. Study → c. Examination → e. Result