List of top Questions asked in Bihar Board X - 2024

The ozone layer protects the Earth from which harmful radiation?
Peristalsis movement is found in:
Open circulatory system is found in:
The carrier of oxygen in blood is:
The number of pairs of autosomes in humans is:
The place of origin of humans is:
The expulsion of water through stomata in the form of vapor from the aerial part of the plant is known as:
The tiger is a consumer of:
What is hormone?
What is the role of petals in flowers?
Define nutrition.
What is glycolysis?
Write about five important sexually transmitted diseases, their causal pathogens, and symptoms.
DNA is the basis of heredity. How?
What is environment?
Define pollination. Write the effect of rainfall on pollination.
What is covalent bond? Give two examples of it.
What is corrosion? Explain with example.
Write the steps involved in the extraction of metals from ores.
What is an ore?
What is ozone? Explain its importance.
Why does the aqueous solution of an acid conduct electricity?
What is sinoauricular node?
Why is it necessary to balance a chemical equation?
Briefly describe the benefits of rainwater harvesting.