Logic: 'Handsome' is used for men, 'Beautiful' is used for women.

Thermometer, Barometer, and Hygrometer are measuring instruments, while Diameter is a line of measurement.

Logic: Teacher has Students, Pontiff has Disciples.

April has 30 days, while the other three months have 31 days.

Correct order: Seed (3) -> Plant (1) -> Leaf (4) -> Flower (5) -> Food (2) (Photosynthesis).

Correct order: Room (3) -> House (1) -> Road (2) -> Hamlet (4) -> District (5).

Logic: Sepal is a part of a Flower, Tyre is a part of a Bicycle.

Logic: 'Parliament' is the name of the legislative body in Great Britain, similarly 'Congress' is the name of the legislative body in the USA.

Logic: Cataract is a disease of the Eye, Eczema is a disease of the Skin.

Logic: Bird eats Worm, Cat eats Mouse.

Logic: A Druggist works in a Pharmacy, a Chef works in a Restaurant.

Pattern based on letter count: bat(3), thin(4), reply(5), length(6). The next word should have 7 letters. 'display' has 7 letters. Correct option is (B).

Pattern where ending letters of the previous word match starting letters of the next word. Correct option is (C).

Bud, Branch, and Leaf are parts of a plant, while the plant is the whole entity.

Logic: Cat eats Rat, Bird eats Worm.

Garage is a place to park vehicles, while the other three are residential accommodations.

Logic: 'Ecstasy' and 'Gloom' are antonyms, similarly 'Humiliation' and 'Exaltation' are antonyms.

Logic: A Carpenter makes a Window, a Sculptor makes a Statue.

'Wholesome' means healthy, while the other three are synonyms of negative or deadly words.

The study of cells is called 'Cytology', similarly the study of birds is called 'Ornithology'.