Here I am giving you syllabus for BITSAT entrance examination biology subject for admission in B tech course offered by Birla Institute of Technology & Science, Pilani below :

Biology
1: Diversity in Living World

1.1 Biology - its meaning and relevance to mankind
1.2 What is living; Taxonomic categories and aids; Systematics and Binomial system of nomenclature.
1.3 Introductory classification of living organisms (Two-kingdom system, Five-kingdom system);
1.4 Plant kingdom - Salient features of major groups (Algae to Angiosperms);
1.5 Animal kingdom - Salient features of Nonchordates up to phylum, and Chordates up to class level.

2: Cell: The Unit of Life; Structure and Function

2.1 Cell wall; Cell membrane; Endomembrane system (ER, Golgi apparatus/ Dictyosome, Lysosomes, Vacuoles); Mitochondria; Plastids; Ribosomes; Cytoskeleton; Cilia and Flagella; Centrosome and Centriole; Nucleus; Microbodies.
2.2 Structural differences between prokaryotic and eukaryotic, and between plant and animal cells.
2.3 Cell cycle (various phases); Mitosis; Meiosis.
2.4 Biomolecules - Structure and function of Carbohydrates, Proteins, Lipids, and Nucleic acids.
2.5 Enzymes - Chemical nature, types, properties and mechanism of action.

3: Genetics and Evolution

3.1 Mendelian inheritance; Chromosome theory of inheritance; Gene interaction; Incomplete dominance; Co- dominance; Complementary genes; Multiple alleles;
3.2 Linkage and Crossing over; Inheritance patterns of hemophilia and blood groups in humans.
3.3 DNA -its organization and replication; Transcription and Translation;
3.4 Gene expression and regulation; DNA fingerprinting.
3.5 Theories and evidences of evolution, including modern Darwinism.

4: Structure and Function - Plants

4.1 Morphology of a flowering plant; Tissues and tissue systems in plants; Anatomy and function of root, stem (including modifications), leaf, inflorescence, flower (including position and arrangement of different whorls, placentation), fruit and seed; Types of fruit; Secondary growth;
4.2 Absorption and movement of water (including diffusion, osmosis and water relations of cell) and of nutrients; Translocation of food; Transpiration and gaseous exchange; Mechanism of stomatal movement.
4.3 Mineral nutrition - Macro- and micro-nutrients in plants including deficiency disorders; Biological nitrogen fixation mechanism.
4.4 Photosynthesis - Light reaction, cyclic and non-cyclic photophosphorylation; various pathways of carbon dioxide fixation; Photorespiration; Limiting factors.
4.5 Respiration - Anaerobic, Fermentation, Aerobic; Glycolysis, TCA cycle; Electron transport system; Energy relations.

5: Structure and Function - Animals

5.1 Human Physiology - Digestive system - organs, digestion and absorption; Respiratory system - organs, breathing and exchange and transport of gases.
5.2 Body fluids and circulation - Blood, lymph, double circulation, regulation of cardiac activity; Hypertension, Coronary artery diseases.
5.3 Excretion system - Urine formation, regulation of kidney function
5.4 Locomotion and movement - Skeletal system, joints, muscles, types of movement.
5.5 Control and co-ordination - Central and peripheral nervous systems, structure and function of neuron, reflex action and sensory reception; Role of various types of endocrine glands; Mechanism of hormone action.

6: Reproduction, Growth and Movement in Plants

6.1 Asexual methods of reproduction;
6.2 Sexual Reproduction - Development of male and female gametophytes; Pollination (Types and agents); Fertilization; Development of embryo, endosperm, seed and fruit (including parthenocarpy and elminth).
6.3 Growth and Movement - Growth phases; Types of growth regulators and their role in seed dormancy, germination and movement;
6.4 Apical dominance; Senescence; Abscission; Photo- periodism; Vernalisation;
6.5 Various types of movements.

7: Reproduction and Development in Humans

7.1 Male and female reproductive systems;
7.2 Menstrual cycle; Gamete production; Fertilisation; Implantation;
7.3 Embryo development;
7.4 Pregnancy and parturition;
7.5 Birth control and contraception.

8: Ecology and Environment

8.1 Meaning of ecology, environment, habitat and niche.
8.2 Ecological levels of organization (organism to biosphere); Characteristics of Species, Population, Biotic Community and Ecosystem; Succession and Climax. Ecosystem - Biotic and abiotic components; Ecological pyramids; Food chain and Food web;
8.3 Energy flow; Major types of ecosystems including agroecosystem.
8.4 Ecological adaptations - Structural and physiological features in plants and animals of aquatic and desert habitats.
8.5 Biodiversity and Environmental Issues - Meaning, types and conservation strategies (Biosphere reserves, National parks and Sanctuaries), Air and Water Pollution (sources and major pollutants); Global warming and Climate change; Ozone depletion; Noise pollution; Radioactive pollution; Methods of pollution control (including an idea of bioremediation); Deforestation; Extinction of species (Hot Spots).

9: Biology and Human Welfare

9.1 Animal husbandry - Livestock, Poultry, Fisheries; Major animal diseases and their control. Pathogens of major communicable diseases of humans caused by fungi, bacteria, viruses, protozoans and elminthes, and their control.
9.2 Cancer; AIDS.
9.3 Adolescence and drug/alcohol abuse;
9.4 Basic concepts of immunology.
9.5 Plant Breeding and Tissue Culture in crop improvement.

10: Biotechnology and its Applications
10.1 Microbes as ideal system for biotechnology;
10.2 Microbial technology in food processing, industrial production (alcohol, acids, enzymes, antibiotics), sewage treatment and energy generation.
10.3 Steps in recombinant DNA technology - restriction enzymes, NA insertion by vectors and other methods, regeneration of recombinants
10.4 Applications of R-DNA technology in human health -Production of Insulin, Vaccines and Growth hormones, Organ transplant, Gene therapy.
10.5 Applications in Industry and Agriculture - Production of expensive enzymes, strain improvement to scale up bioprocesses, GM crops by transfer of genes for nitrogen fixation, herbicide-resistance and pest-resistance including Bt crops.