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Yogita Ingle 5 years, 7 months ago
- Homo sapiens– After Homo erectus came, the Homo sapiens who separated into two types:
1) Homo sapiens neanderthelensis
They had a brain size larger than modern man and were gigantic in size. Also, they had a large head and jaw and were very powerful and muscular . They were carnivores and the tools from the era indicate they were hunters. They were also cave dwellers but their caves were more comfortable and they lived in groups and hunted for food gathering.
2) Homo sapiens sapiens
Also known as ‘modern-day man’ is what we are today. Compared to the Homo sapiens neanderthelensis, they became smaller in size and the brain size reduced to 1300cc. There was also a reduction in the size of the jaw, rounding of the skull and chin. Cro- Magnon was the earliest of the Homo sapiens. They spread wider from to Europe, Australia, and the Americas. They were omnivores, had skilful hands, developed the power of thinking, producing art, more sophisticated tools and sentiments.
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Yogita Ingle 5 years, 7 months ago
Algae are mainly classified on the basis of their pigments. Flagellation, storage products and chemistry of cell wall are also taken into account. The three classes of algae are Chlorophyceae (green algae), Phaeophyceae (brown algae) and Rhodophyceae (red algae).
- Chlorophyceae: The members of Chlorophyceae are commonly called green algae. The pigments, chlorophyll-a, chlorophyll-b, carotene and xanthophyll are present in them. They are usually grass green in colour due to the dominance of pigments i.e.chlorophyll a and b.
- Phaeophyceae: The members of Phaeophyceae are commonly called brown algae. Brown algae are found primarily in marine habitats. They possess the pigments chlorophyll a and c, carotenoids and xanthophylls.
- Rhodophyceae: The members of Rhodophyceae are commonly called Red Algae. The pigments present in them are r-phycoerythrin, r-phycocyanin, chlorophyll-a and chlorophyll-d. The characteristic red colour is due to the predominance of the red pigment r-phycoerythrin.
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Yogita Ingle 5 years, 7 months ago
The Constitution of India was adopted by the Constituent Assembly on 26th November 1949 and came into force on 26th January 1950. This date was chosen so as to commemorate the idea of Purna Swaraj put forth by Nehru in 1928.
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Gaurav Seth 5 years, 7 months ago
The story 'Ranga's Marriage' is set in a village Hosahalli, which was in the erstwhile Mysore state. In those days, there were very few people in Hosahalli who knew English. Like today, even during those days, English occupied a very prominent place in the hearts and the minds of people. The village accountant mustered enough courage to send his son, Ranga, to Bengaluru for higher studies. When Ranga returned home, it became almost a festive occassion for the entire village.
People had a lot of respect for Ranga because he knew English, which was a very precious commodity, but very few people in the village knew English. Even a simple word in English like 'change' was not heard of. When Rama Rao's son uses this word, even the narrator could not understand. He had to ask Ranga the meaning of the word. The author, in his narration, shows that he has a positive attitude towards English, but he also asserts that learning a foreign’ language or .knowing it need not affect our tradition and culture. This is evident by the emphasis on Ranga wearing the sacred thread and doing 'namaskars' to the elders.
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