Arteries have thick, elastic walls to withstand and maintain high pressure from blood pumped by the heart. Veins carry blood at lower pressure, so they contain valves to prevent backflow and ensure unidirectional movement. sample paper for class 10 science board ...
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The correct option is (d) behind the mirror and its position varies according to the object distance. A convex mirror always forms a virtual, upright, and diminished image behind the mirror. The image position changes slightly with object distance. CBSE Class ...
The correct option is (a) Tongue. Gustatory receptors are responsible for detecting taste. These are located in the taste buds present on the surface of the tongue. They help us identify sweet, sour, salty, and bitter flavours in food. class 10 ...
(A) Electrolytic decomposition of water/electrolysis of water. (B) The gas collected at cathode is hydrogen which is double the volume of oxygen collected at anode. sample paper for class 10 science board exam 2026 CBSE Sample Paper Class 10 Science 2025-26
The correct answer is option (A). Magnetic field lines never intersect, as stated in the assertion. The reason is correct because intersection would imply two field directions at a single point, which is impossible. Thus, both A and R are ...