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A : Poultry farming has definite advantage over live-stock rearing R : Poultry birds are easy to raise, can be acclimatised to a wide range of climatic conditions, have short life span and are prolific breeders

(a) How many million year ago, gigantic reptiles used to dominate on earth ? Give their common name and also mention the period and year in which they were predominanat on earth. (b) Why did these gigantic reptiles disappear from the earth in a short duration ? (c ) Name the most advanced living reptiles. List atleast two characters in which they resemble in mammals.

A short living plant in called.

________are a type of inexpensive digital camera that remains tethered to a computer and used for video conferencing, video chatting and live web broadcast.

Study the following information carefully to answer the questions that follow: Indian Olympic Association is in the process of selecting a team of four athletes for participating in the relay race in the forthcoming Olympics. After watching their performance in the national events, the Association has short-listed seven athletes. Their names are Zacharia, Yohana, Wasim, Dalbir, Chakarvarti, Bishan and Anil. The association wants that, in the final team, there should be two athletes who have participated in the Olympic earlier. Zacharia, Yohanna and Wasim have represented the country earlier. The association also wants that the team should be well-kind and friendly but is faced with a situation wherein Yohanna and Anil are not friendly while Zacharia and Chakarvarti don't see eye to eye with each other. To make the matters more difficult, Anil and Bishan do not like each other. Based on the above requirements and assumptions, answer the following questions : If Anil is in the team, then which other athletes must be in the team as well ?

When the primary root in short lived and replaced by large number of thin roots, it constitutes the

Statement -1 : Actinoids are very difficult to study. Statement-2 : Actinoids are radioactive elements having very short half lives especially of later members of actinides.