Biology today

Table : important examples of mammals Scientific name Common name important notes Monotremata Tachyglossus or Echidna Australi ...

insectivora Sorex Shrew • The common long-tailed shrew, Sorex araneus, ranges through moist areas of Europe and Asia. • ...

Myrmecophaga Giant anteater • Anteaters are characterised by long tapering snouts, tubular mouth, without teeth and long st ...

Pan Chimpanzee • Chimpanzee lives in the rain forests of tropical West Africa. Chimpanzee is most intelligent of all apes a ...

Platanista gangetica Gangetic dolphin • They are distributed in Ganges, Brahmputra, Indus and their larger tributaries. • ...

Perissodactyla Equus Horse, Ass, Zebra • The horse family Equidae, which also includes asses and zebras, are large, fast ru ...

eConoMIC IMportAnCe Beneficial mammals Domesticated mammals • Man has been domesticating various mammals for work food, cloth ...

Which of the following belong to the same order? (a) Gorilla, Chimpanzee, Lemur and Monkey (b) Rabbit, Pangolin, Porpoise and D ...

SECTION - A Pick out the ancestral line of conifers from the list of plants given below : Seed ferns, Cycads, Herbaceous lycopo ...

(a) refer to the given figure X showing structure of a mature pollen grain. What is the fate of the part labelled 'X'? (b) Des ...

There would be eighteen autosomes in the karyotype of this animal. This is because egg is haploid and if it contains nine autos ...

(b) These are six matchstick-sized capsules containing synthetic progesterone which are implanted subcutane- ously under the ski ...

Q.1. After transcription, how the rRNA is synthesised from hnRNA? – Bidhan Banerjee, West Bengal Ans. Transcription is the proce ...

Sri Lanka began the process to formulate new constitution on _____. (a) 9 th January, 2016 (b) 2 nd January, 2016 (c) 1 st Janu ...

Glycosidic linkage at place of branching in starch and glycogen is (a) a – 1 → 6 (b) a – 1 → 4 (c) b – 1 → 4 (d) b – 1 → 6. Qua ...

(d) unbranched chain of glucose molecules linked by b, 1, 4 glycosidic bond. Arachidonic acid gives rise to (a) terpenes (b) pr ...

Read the given statement and select the option that correctly identifies X and Y. In a glycogen molecule, successive glucose un ...

(b) answer immediately that the cells were from a plant source (c) examine the centrifuge for the presence of extracts of centri ...

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