Our atmospheric is responsible for refraction and occurs in a medium of gradually changing index of refractive. So, light rays undergo refraction continuously before it reaches the earth when it coming from the sun or stars on entering the earth’s ...

(i) Xylem transports water, amino acids and other substances in plants. (ii) Phloem transports soluble products of photosynthesis in plants. (iii) Transpiration helps in absorption of water. (iv) Material like sucrose is transferred into phloem tissue using energy from ATP.

Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science Session 2022-23

To form an image at infinity by convex lens is that when any object is placed at the focus of a convex lens, the convex lens converts the diverging rays of light coming from the object into a parallel beam ...

Living organisms are well organised to structure, they can have tissues, tissues also have cells, cells have smaller components in them. Leaving organisms skip repairing and maintaining their structures by self. All these structures are made up of molecules and ...