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(i) Seed propagation is not used in bananas because cultivated varieties are seedless and sterile.(ii) Vegetative propagation uses suckers or offsets from the parent plant’s base, which grow into new plants.(iii) Advantage: true-to-type plants; Disadvantage: diseases spread.(iv) ...
A man can survive with one kidney because a single healthy kidney can perform the functions of both: filtering blood, removing waste, balancing water and salts, and producing hormones. The remaining kidney enlarges slightly to compensate. class 10 science sample paper ...
The correct answer is [A] Both A and R are true, and R is the correct explanation of A.The father contributes either an X or Y chromosome. If the child inherits X from father, it becomes XX (girl), and ...
The correct answer is [C] It is used as a refrigerant and in fire extinguishers.That statement is incorrect because ozone is not used as a refrigerant or in fire extinguishers. Instead, CFCs are used as refrigerants and are harmful ...
