To understand biology in a easy way have to break the difficult words in a descrete unit or into two parts and you will find the biology quite easy.

Let me give some basic topics but difficult too.

1. AUTOTROPHS
Break in two words 
Auto and trophs 

Auto means Self
Trophs means nourish

AUTOTROPHS are capable of self nourishment or make their own food and don't depends on others.

Eg. Green plants and cyanobacteria(BGA) BLUE GREEN ALGAE



2. CYTOKINESIS

CYTO AND KINESIS

Cyto means cell 
Kinesis means movement

Movement of cytoplasm that produces distinct daughter cells during cell division.


3. EUKARYOTE

EU AND KARYOTE

Eu means true 
Karyote means nucleus

An organism whose cells contain a "true" membrane bound nucleus.



4. HETEROZYGOUS
Break in three words 

HETERO    ZYG       OUS
 
Hetero means different
Zyg means yolk or union
Ous means characterized by or full of

Now add all the information

A union characterized by the joining of two different alleles for given trait.



5. HYDROPHILIC
HYDRO AND PHILIC

Hydro means water
Philic means love

Water loving



6 OLIGOSACCHARIDE

OLIGO AND SACCHARIDE

Oligo means few or little
Saccharide means sugar

A carbohydrate that contains a small number of sugar or component sugar.



7. OSTEOBLAST

OSTEO AND BLAST

Osteo means bone
Blast means bud or germ(early form of an organism)

A cell from which bone is derived.



Dr sundiip Singh

Thank you