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Biology 12th Class Biology

Chapter 16 Support and Movement – FSc Biology Notes Part 2

Chapter No 16 Support and Movement – FSc Biology Notes Part 2 Short questions Support and Movement (i) What is the cause of cramps? Answer. The cause our low blood sugar level, electrolyte depletion, dehydration irritability of spinal cord and neurone. (ii) What is the diference between tetanus and muscle tetany? Answer. Tetanus is a […]

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12th Class Biology Biology

Chapter 15 Homeostasis | FSc Biology Part 2 Notes

FSc Biology Part 2 Notes – Chapter 15 Homeostasis Short questions Homeostasis (i) Diferentiate between osmoconformers and osmoregulators. Answer. OSMOCOFORMERs: The body fluid of these animals is kept isotonic to the external environment even for marine salt water environment. Osmoregulatotrs: The body fluids of these animals vary with outside environment. These animals do not required […]

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Biology 11th Class Biology

Chapter 1 Introduction to Biology- FSc Part 1 Biology Notes

Chapter 1 Introduction to Biology- FSc Part 1 Biology Notes Short questions. (i) What do you mean by hypothesis? Answer. Hypothesis is a statement made by scientist after careful observation. Hypothesis is a tentative explanation of observation. Hypothesis actually, is a theoretical statement about a biological problem on the basic of observations with the help […]

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Biology 10th Class Biology

10th Class Biology Important Definitions

10th Class Biology Important Definitions Abiotic: The non-living components of the environment like water, sunlight, soil, heat etc. Acid rain: The rain containing sulphuric acid and nitric acid; with pH range of 3 to 6 Acromegaly: Abnormal growth due to excessive production of growth hormone after growing age; the internal organs and body extremities alone grow large and […]

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9th Class Biology Biology

Biology 9th Model Paper Half Book For Students Practice

  Biology 9th                                                                   Objective Type Time Allowed:  15 minutes                                      Marks:  12 Note: You have four choices for each objective type question as A/B/C/ and D. The choice which you think is correct; fill that circle in front of that question number. Cutting or filling two or more circles will result in zero mark in that […]

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Biology 9th Class Biology

Important Definitions – 9th Class Biology

Important – Definitions   Chapter #1st     INTRODUCTION TO BIOLOGY   Science:Word science is derived from scientia means knowledge. Science is the study in which observations are made, experiments are done and logical conclusions are drawn in order to understand the principles of nature. “OR”The knowledge obtained through observations and experiments is called science. Biology: […]

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Biology 10th Class Biology

Chapter 18 Pharmacology 10th Class Biology Notes

Chapter 18 Pharmacology 10th Class Biology Notes Pharmacology 10th Class Biology Notes Question 1: Define Pharmacology, Pharmacy and Pharmacognosy? Answer: Pharmacology: Pharmacology is the combination of two Greek words. Pharmakon means drug and logy means to study or to discuss. Pharmacology is the study of drug composition, properties and medical applications.  OR  Pharmacology is the study […]

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Biology 10th Class Biology

Chapter 17 Biotechnology 10th Class Biology Notes

Biotechnology 10th Class Question 1: Define biotechnology and describe its importance. Also write a detailed note on modern biotechnology or genetic engineering? Describe the achievements of genetic engineering in medicine, agriculture and environment. Or what is biotechnology. Write a detailed note on scope and importance of biotechnology?   Answer: Definition of Biotechnology: Biotechnology is defined […]

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Biology 10th Class Biology

Chapter Number 16 Man and His Environment – 10th Class Biology Notes

Chapter Number 16 Man and His Environment – 10th Class Biology Notes Question 1: Define the following terms? (1) Environment (2) Habitat (3) Ecology (4) Niche (5) Conservation. (6) Biomass. Answer: (1) Environment: The surrounding of an organism is called environment. Environment includes all the biotic and abiotic factors that influence an organism. (2) Habitat: The […]

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Biology 10th Class Biology

Chapter Number 15 Inheritance – 10th Class Biology Notes

Chapter Number 15 Inheritance – 10th Class Biology Notes Q#1) Define the following. Inheritance.  2) Heridity 3)Variation 4) Genetics 5) Genes 6) Chromosome 7) Chromation 8) Genotype 9) Evolution 10) Allele.   Answer: 1) Inheritance: Characters that are transmitting from parents to offsprings are called inheritance. These characters are of two types’ (a) Heridity (b) Variation. […]

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Biology 10th Class Biology

Chapter 14 Reproduction – 10th Class Biology Notes

Chapter 14 Reproduction – 10th Class Biology Notes Question 1: What is Reproduction? What are different types of reproduction?   Answer: REPRODUCTION: Reproduction is defined as the production of individuals of the same species i.e. the next generation of species is called reproduction.   Types of reproduction: Reproduction is of two types.

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Biology 10th Class Biology

Chapter 13 Support and Movement – 10th Class Biology Notes

Chapter 13 Support and Movement – 10th Class Biology Notes Question 1: Define Support, movement and locomotion? Answer: Support: support means to stand erect.   Movement: Movement” is a general term meaning the act of changing place or position by entire body or by its parts. Locomotion: Locomotion is the movement of an animal as a whole from […]

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Biology 10th Class Biology

Chapter Number 12 Coordination and Control – 10th Class Biology Notes

Chapter Number 12 Coordination and Control – 10th class biology Question 1: Explain what can happen if there is no coordination in the activities of organisms. Coordination: the ability to use different parts of the body together smoothly and efficiently is called coordination.   Coordination and Control: The ability of an organism to keep the different […]

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Biology 10th Class Biology

Chapter 11 Homeostasis – 10th Class Biology Notes

Chapter 11 Homeostasis – 9th Class Biology Notes Question 1: What is homeostasis? What are the different types of homeostasis? Answer: HOMEOSTASIS Homeostasis is the combination of two Greek words, Homoios means similar and stasis means standing still. The maintenance of the internal conditions of body at equilibrium, despite changes in the external environment is called […]

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Biology 10th Class Biology

Chapter 10 Gaseous Exchanges – 10th Class Biology Notes

Chapter 10 Gaseous Exchanges – 10th Class Biology Notes Question 1: Define gaseous exchanges, breathing and cellular respiration? Answer: Gaseous exchanges: Taking in oxygen and giving out of carbon dioxide is termed as gaseous exchange.  “OR” The exchange of gases in body of living organisms through a characteristic way is called gaseous exchanges. Gaseous exchanges is […]

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Biology 9th Class Biology

Chapter 9 Transport – 9th Class Biology Notes

Chapter 9 Transport – 9th Class Biology Free And Easy Notes Question#1): What is the primary function of transport system? Answer:The primary function of transport system is to maintain a link between all cells of the body and the external environment. It transports the nutrients and water to the points where they are to be […]

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Biology 9th Class Biology

Chapter 8 Nutrition – 9th Class Biology Notes

Chapter 8 Nutrition – 9th Class Biology Notes Question#1) Define the following terms? I) Nutrition. II) Nutrients. III) Autotrophs.  IV) Heterotrophs. Answer: I) Nutrition: The process in which food is obtained or prepared, absorbed and converted into body substances for growth and energy, is called nutrition. II) Nutrients: Nutrients are the elements and compounds that […]

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Biology 9th Class Biology

Chapter 7 Bioenergetics – 9th Class Biology Notes

Chapter 7 Bioenergetics – 9th Class Biology Free and Easy Notes Question#1) How energy is produced in the body of living organisms? Answer: Energy is produced in the body of living organisms by the breakdown of food. During oxidation reduction reactions the chemical bond in substances break down and energy is produced.

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Biology 9th Class Biology

Chapter 6 Enzymes 9th Class Biology Notes

Enzymes 9th Class  Biology Notes Question#1) Write a short note on enzyme? Answer: Enzyme: Enzymes are proteins that catalyze (speed up) biochemical reactions by lowering its activation energy and are not changed during the reaction. All enzymes are catalysts but all catalysts are not enzymes. Only biocatalysts are called enzymes. Word enzyme was first used […]

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Biology 9th Class Biology

Chapter 5 Cell Cycle – 9th Class Biology Notes

Chapter 5 Cell Cycle – 9th Class Biology Notes Interesting information about this chapter and introduction;- All organisms consists of cells. An adult human being has approximately 1, 00,000 billion cells, all originate from a single cell, the fertilized egg cell or zygote. Cells arise from free existing cells as a result of cell division […]