The correct option is (c) Vegetative propagation. Banana plants are usually grown by vegetative propagation methods like suckers or rhizomes. This ensures new banana plants are genetically identical to the parent, helping farmers maintain uniform quality and yield in their ...
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The correct option is (b) Mushroom. Mushrooms are saprophytic organisms that secrete digestive juices onto dead organic matter outside their body. The food is broken down externally, and then the simpler nutrients are absorbed, unlike organisms like amoeba or paramoecium. Science ...
The correct option is (c) 14. Silicon has the electronic configuration 2,8,4. Here, the second shell contains 8 electrons, while the third shell contains 4 electrons, which is exactly half of the second shell, satisfying the given condition. Science important questions ...
The correct option is (b) Zinc. When dilute sulphuric acid reacts with zinc, it releases hydrogen gas. This colourless gas burns with a pop sound when a burning matchstick is brought near, confirming the presence of hydrogen. Class 10 Science Sample ...
The correct option is (d) NaHCO₃. Sodium bicarbonate is a mild, non-corrosive base commonly used in baking soda. It is safe, weakly alkaline, and does not harm or corrode, unlike strong bases such as sodium hydroxide or calcium hydroxide. Class 10 ...