List of top Science Questions asked in Bihar Board Class X Exam

Synaptic knobs are found in:
The frequency of alternating current in household electric circuit is:
Kidney helps in
Photosynthesis takes place during:
What should be the minimum speed of wind in a wind electric generator?
The upper part of a box-type solar cooker has a glass cover. The reason for this is:
The structural and functional unit of the kidney is called:
Metallic conduction is based on motion of which particle in material?
A resistor of power \( P_1 \) at voltage \( V_1 \) is connected in series with another resistor of power \( P_2 \) at voltage \( V_2 \). The equivalent resistance will be:
A split ring is used in:
Duralumin is an alloy of which metal?
The electronic configuration of an element is 2,8,7. What is the atomic number of the element?
Which is used in Solar cells?
What is the number of elements in the third group of the periodic table?
The molecular formula of sodium phosphate is:
Which of the following is used as wine?
The valency of all elements in a group of the periodic table is:
The most effective color of visible light spectrum for photosynthesis is:
The number of pairs of autosomes in humans is:
Open circulatory system is found in:
The carrier of oxygen in blood is:
The atomic number of gold is:
The tiger is a consumer of:
The place of origin of humans is:
The expulsion of water through stomata in the form of vapour from the aerial part of the plant is known as: