HSC – Higher Secondary Education Website
100s of tutorials with worked examples, past papers, tips, tricks for HSC exams
HSC Board Exams are fast approaching and students are getting anxious about how to prepare for their HSC Board Exams. So we had mentioned some HSC Study Tips to help students in Cracking HSC Exams. After the tremendous success of our […]
Answer: Java Man & Peking Man. Java man: a. Homo erectus fossils of Java were called Java man. b. Its fossils were first obtained by Dubois (1891) and these were named Pithecanthropus erectus. c. The cranial capacity was about 940cc. […]
Answer: Embryological Evidences of Evolution. All living organisms in their early developmental stages show presence of the following distinct features: i. Development in sexually reproducing organisms begins from a single diploid cell stage, i.e. a fertilized egg or zygote. ii. Zygote […]
Answer: Biological Evidences of Evolution. i. Palaeontological evidence of evolution. a. Fossils are defined as the dead remains of plants and animals that lived in the past in various geological layers. b. Unlike the evidences from other branches of biology, evidence […]
Answer: Genetic Drift. i. Any alteration in allele frequency in the natural population by pure chance is called genetic drift. ii. For example, elimination of a particular allele from a population due to events like accidental death prior to mating of […]
Answer: Gene Pool & Gene Frequency. Gene Pool: The sum total of genes of all individuals of interbreeding population is called gene pool. i. It refers to the sum total of genes of all individuals of interbreeding population. ii. Changes […]
Answer: Modern Synthetic Theory of Evolution. Julian Huxley proposed term ‘modern synthesis’. This theory was based on the work of Dobzansky. The salient features are as follows. i. According to the Modern synthetic theory of evolution, population is considered as […]