Structures
Mobs
Item
Advancements
Biome
100

This structure that contains a "trap" also is the only structure that contains the wild armor trim.

Jungle temple

100

These two mobs will perform a dance when they're near a jukebox when a music disc is played. (one mob answer is fine)

Parrot / Allay
100

This placeable item can only be dropped by the iron golem after killing it.

The poppy
100

Advancement "Into Fire" you get after first getting this item. 

A blaze rod

100

This biome is a gold mine! it contains a lot of gold! 

The Badlands

300

DOUBLE POINTS
This is the only structure in minecraft that can generate in more than one dimension. 

The ruined portal

300

This mob is the only mob that cannot be named with the use of a nametag. 

The ender dragon.

300

Which item is both a block and food?

A cake
300

"Is it a balloon?" is an advancement that you get after looking at this mob with a spyglass

A ghast

300

This dimension only contains 5 biomes! 

The nether

500
This is the only structure,in the overworld, that can spawn in every biome in the game . help:( deep dark is a biome ) 

The stronghold

500

DOUBLE POINTS
if brewing stands did not exist within minecraft, this mob would be the only way to acquire the potion of invisibility.

The wandering trader

500

This item is 100% of the time found in a buried treasure chest.

Heart of the sea

500

How do you get the advancement "Sniper Duel"

Kill a skeleton from over 50 blocks away using a bow and arrow

500

This biome has nothing in it.

The void

750

This structure is the only place where a lapis lazuli block can naturally generate. 

The woodland mansion

750

When a turtle is struck by lightning, it drops this item.

A bowl

750

This item can only do damage to blazes specifically. 

Splash water bottle

750
To get the "Caves and Cliffs" advancement you need to do this.

Free fall from the top of the world (build limit) to the bottom of the world and survive

750

Iron golems spawn in all villages,except for villages located in this biome.

Taiga 

1000

What structure is only made up of one type of full block?
A lot of the player base do not realise this is a structure.

A nether fossil

1000

This mob is the only mob that whilst being unable to attack the player in any way and being a passive mob , will never spawn when the difficulty is set to peaceful. 

The ocelot

1000

DOUBLE POINTS
This item that includes gold in its recipe is the only one that piglins dont pick up.

Powered rail

1000

What advancement has you shoot two phantoms with a piercing arrow?

Two birds one arrow
1000

This biome contains the rarest sub-biome.

The jungle

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