List of top Science Questions on Life Science asked in JKBOSE Class X Board

How is the sex of a child determined in human beings?
What is Biological Magnification, and how does it affect different trophic levels?
Describe the mechanism of Respiration in humans, including the role of alveoli.
Explain how gaseous exchange occurs in plants through stomata and lenticels.
What is Transpiration, and how does it help in the upward movement of water in plants?
Define Reflex Action and explain the pathway of a Reflex Arc with an example.
Explain the role of Thyroxin and Insulin hormones in the human body.
Distinguish between Sexual and Asexual reproduction with examples.
Describe the process of Double Fertilization in flowering plants.
What is the importance of DNA copying in reproduction?
Explain the process of Photosynthesis and write its balanced chemical equation.