NEB NotesNepal
Sci.101 • Class 1019 Lessons
Credit Hours: 5

Science & Technology

विज्ञान तथा प्रविधि

Scientific Study, Living World (Classification, Honey Bee, Heredity, Circulatory System), Physics (Gravitation, Pressure, Heat, Optics, Electricity), Chemistry (Periodic Table, Gases, Metals, Hydrocarbons), and Universe & ICT.

Prescribed Chapters

Showing 19 Lessons
Unit 1

Scientific Study

1 Lesson
Lesson 1Syllabus Mapped1 Important Qs1 Solved Q&A

Scientific Study

वैज्ञानिक अध्ययन

Variables in experiments (independent, dependent, controlled), SI base and derived units, dimensional consistency, measurement errors.

Unit 2

Classification of Living Beings

1 Lesson
Lesson 2Syllabus Mapped

Classification of Living Beings

जीवहरूको वर्गीकरण

Five-kingdom classification system (Monera, Protista, Fungi, Plantae, Animalia), non-chordates and chordates classification.

Unit 3

Honey Bee

1 Lesson
Lesson 3Syllabus Mapped

Honey Bee

मौरी

External morphology, life cycle of honey bee, social organization (queen, drone, worker), communication (dances), apiculture in Nepal.

Unit 4

Heredity

1 Lesson
Lesson 4Syllabus Mapped

Heredity

वंशाणुक्रम

Chromosomes, DNA and RNA structure, Mendel laws of inheritance (monohybrid and dihybrid cross), genetic disorders, and biotechnology.

Unit 5

Physiological Structure and Life Process

1 Lesson
Lesson 5Syllabus Mapped

Physiological Structure and Life Process

शारीरिक संरचना र जीवन प्रक्रिया

Human circulatory system, internal structure and functioning of heart, blood composition, blood groups, uric acid, hypertension, diabetes.

Unit 6

Nature and Environment

1 Lesson
Lesson 6Syllabus Mapped

Nature and Environment

प्रकृति र वातावरण

Ecosystem dynamics, greenhouse effect, climate change impacts on Himalayas, endangered flora and fauna of Nepal, and medicinal herbs.

Unit 7

Motion and Force

1 Lesson
Lesson 7Notes Ready ✓1 Solved Q&A

Motion and Force

चाल र बल

Newton universal law of gravitation, gravitational constant G, acceleration due to gravity g, variation of g, freefall, weightlessness.

Unit 8

Pressure

1 Lesson
Lesson 8Notes Ready ✓1 Important Qs

Pressure

चाप

Pressure in solids and fluids, liquid pressure P = hρg, Pascal law and hydraulic machines, Archimedes principle, upthrust, floatation.

Unit 9

Heat

1 Lesson
Lesson 9Syllabus Mapped

Heat

ताप

Thermal energy vs temperature, heat equation Q = msΔt, specific heat capacity, thermometer calibration, anomalous expansion of water.

Unit 10

Wave (Optics & Sound)

1 Lesson
Lesson 10Syllabus Mapped

Wave (Optics & Sound)

तरङ्ग (प्रकाश र ध्वनि)

Refraction of light, critical angle and total internal reflection, convex and concave lenses, lens formula, power of lens, eye defects.

Unit 11

Electricity and Magnetism

1 Lesson
Lesson 11Syllabus Mapped

Electricity and Magnetism

विद्युत् र चुम्बकत्व

DC vs AC, magnetic effect of electric current, motor effect, electromagnetic induction, Faraday laws, step-up/down transformers.

Unit 12

Universe

1 Lesson
Lesson 12Syllabus Mapped

Universe

ब्रह्माण्ड

Origin of universe, Big Bang theory, expanding universe and Hubble law, life cycle of stars, white dwarf, neutron star, and black hole.

Unit 13

Information and Communication Technology (ICT)

1 Lesson
Lesson 13Syllabus Mapped

Information and Communication Technology (ICT)

सूचना तथा सञ्चार प्रविधि

Digital vs analog transmission, baseband and broadband, wireless communication, internet technologies, cyber citizenship, and netiquette.

Unit 14

Classification of Elements (Chemistry)

1 Lesson
Lesson 14Syllabus Mapped

Classification of Elements (Chemistry)

तत्त्वहरूको वर्गीकरण

Modern periodic law, Mendeleev periodic table vs Modern periodic table, periods, groups, s, p, d, f blocks, trends in atomic size and reactivity.

Unit 15

Chemical Reaction

1 Lesson
Lesson 15Syllabus Mapped

Chemical Reaction

रासायनिक प्रतिक्रिया

Types of chemical reactions (combination, decomposition, displacement, acid-base), rate of chemical reaction, catalysts, balancing equations.

Unit 16

Gases

1 Lesson
Lesson 16Notes Ready ✓1 Solved Q&A

Gases

ग्यासहरू

Laboratory preparation, properties, and chemical tests of Carbon Dioxide (CO2) and Ammonia (NH3) gases, greenhouse effect, and acid rain.

Unit 17

Metals and Non-metals

1 Lesson
Lesson 17Syllabus Mapped

Metals and Non-metals

धातु र अधातुहरू

Physical and chemical properties of metals, occurrence and metallurgy of Iron (Fe), Aluminum (Al), Copper (Cu), and Silver (Ag).

Unit 18

Hydrocarbon and its Compounds

1 Lesson
Lesson 18Syllabus Mapped

Hydrocarbon and its Compounds

हाइड्रोकार्बन र यसका यौगिकहरू

Saturated (alkanes) and unsaturated (alkenes, alkynes) hydrocarbons, IUPAC nomenclature, homologous series, alcohols: methanol, ethanol, glycerol.

Unit 19

Chemicals Used in Daily Life

1 Lesson
Lesson 19Syllabus Mapped

Chemicals Used in Daily Life

दैनिक जीवनमा प्रयोग हुने रसायनहरू

Chemical substances in daily use: cement, glass, ceramics, soaps and detergents, plastics (thermoplastic vs thermosetting), chemical fertilizers.