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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 short live phase between meiosis II and II is

How many statement is/are true? i. The primary root and its branches constitute the tap root system. ii. In monocot the primary root is short lived. iii. The root that arises from other part of the plane other than radicle is called adventitious root

(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.