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 …

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

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. …

Chapter Number 15 Inheritance – 10th Class Biology Notes Read More »

Homeostasis

Homeostasis 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 homeostasis.

Nutrition

Nutrition 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 an organism obtains and uses for energy …

Nutrition Read More »

Discovery of Antimalarial Drug

Discovery of Antimalarial (Anti-periodic) drug   “OR”  Treatment of Malaria    Quinine (the antimalarial drug) was accidentally discovered in 17th century. According to one of the legend an Indian was lost in the jungle of the Andes ( Andes are the world’s longest exposed mountain range. They lie as the continuous chain of highlands along the …

Discovery of Antimalarial Drug Read More »

Is there any division of labour among the cells of a colony

Is there any division of labour among the cells of a colony? If you find division of labour among the cells and tissue what level of cellular organization is it? Answer: Colonial organization do not have any division of labour. Division of labour is at organelle level in unicellular organization . Division of labour is …

Is there any division of labour among the cells of a colony Read More »