Which are the most important lessons in zoology botony and chemistry in bsc 1st year

Hai

Can you please tell what exam you are going to appear ?
Board exam or NEET or JEE?

Some important topics listed here :

Physics :
Electrodynamics - capacitance,  current electricity, electromagnetic field , electromagnetic induction, electrostatics.
Heat& thermodynamics - heat transfer, KTG & thermodynamics.
Mechanics- circular motion,  elasticity & viscosity,  fluid mechanism & properties of matter , gravitation, newton law of motion , rectilinear motion & vector, relative motion, rigid body dynamics, unit & dimension,  work power & energy, modern physics, electromagnetic waves and communication.
Modern physics - nuclear physics , semiconductor
Optics- geometric Optics, physical Optics and wave Optics.
SHM & WAVES- SHM,  sound waves.

BOTANY :
Biological classification - Kingdom monera , virus
Cell biology - cell division, mitochondria, prokaryotic cell
Ecology - biodiversity, biosphere reverse, ecosystem, environmental issues, population growth model, stratification .
Genetics- blood grouping, genetic disorder, mendals biography, mendals selected character.
Living world - taxonomy aids.
Molecular basis of inheritance - DNA packing, DNA replication, genetic code, genetic material, RNA processing.
Morphology - root modification
Morphology of flowering plants - fruits
Plant anatomy - secondary growth, wood
Plant Kingdom - algae ,angiosperm, gymnosperms, life cycle, mycorrgizae. 
Plant morphology - root , steam modification, cellular RESPIRATION, biological nitrogen fixation, photosynthesis, plant growth and development, water transport.
Reproduction in flowering plants -embryo sac, endosperm, pollination.

ZOOLOGY :
Animal kingdom - chordates and hemichordates, mammals, porifera.
Animal morphology - frog
Animal physiology - frog reproductive system
Biomolecules - DNA , Enzymes, lipids, RNA processing
Biotechnology - artificial vector, page
Evolution - horse evolution
Human disease - human health ,immune system, infectious disease
Human physiology - circulatory system, digestive system, endocrine system, excretory system, nervous system, respiratory system, sense organs, skeleton system
Human reproduction -male reproductive system
Microbes in human welfare - bioprocessing, industrial products, sewage treatment
Reproductive health -artificial fertilisation, contraceptive methods
Strategies for enhancement of food production -animal husbandry , artificial production.

These are all topics for reference only

I personally suggest, study the entire syllabus nook and corner.

Hope it's useful for you

Thank you

Hai

Can you please tell what exam you are going to appear ?
Board exam or NEET or JEE?

Some important topics listed here :

Physics :
Electrodynamics - capacitance,  current electricity, electromagnetic field , electromagnetic induction, electrostatics.
Heat& thermodynamics - heat transfer, KTG & thermodynamics.
Mechanics- circular motion,  elasticity & viscosity,  fluid mechanism & properties of matter , gravitation, newton law of motion , rectilinear motion & vector, relative motion, rigid body dynamics, unit & dimension,  work power & energy, modern physics, electromagnetic waves and communication.
Modern physics - nuclear physics , semiconductor
Optics- geometric Optics, physical Optics and wave Optics.
SHM & WAVES- SHM,  sound waves.

BOTANY :
Biological classification - Kingdom monera , virus
Cell biology - cell division, mitochondria, prokaryotic cell
Ecology - biodiversity, biosphere reverse, ecosystem, environmental issues, population growth model, stratification .
Genetics- blood grouping, genetic disorder, mendals biography, mendals selected character.
Living world - taxonomy aids.
Molecular basis of inheritance - DNA packing, DNA replication, genetic code, genetic material, RNA processing.
Morphology - root modification
Morphology of flowering plants - fruits
Plant anatomy - secondary growth, wood
Plant Kingdom - algae ,angiosperm, gymnosperms, life cycle, mycorrgizae. 
Plant morphology - root , steam modification, cellular RESPIRATION, biological nitrogen fixation, photosynthesis, plant growth and development, water transport.
Reproduction in flowering plants -embryo sac, endosperm, pollination.

ZOOLOGY :
Animal kingdom - chordates and hemichordates, mammals, porifera.
Animal morphology - frog
Animal physiology - frog reproductive system
Biomolecules - DNA , Enzymes, lipids, RNA processing
Biotechnology - artificial vector, page
Evolution - horse evolution
Human disease - human health ,immune system, infectious disease
Human physiology - circulatory system, digestive system, endocrine system, excretory system, nervous system, respiratory system, sense organs, skeleton system
Human reproduction -male reproductive system
Microbes in human welfare - bioprocessing, industrial products, sewage treatment
Reproductive health -artificial fertilisation, contraceptive methods
Strategies for enhancement of food production -animal husbandry , artificial production.

These are all topics for reference only

I personally suggest, study the entire syllabus nook and corner.

Hope it's useful for you

Thank you