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

Pollen grains are formed in which of the following?
Which mirror is used as shaving mirror?
If an image obtained by a concave mirror is virtual, erect, and larger than the object, then where should be the location of the object?
The capacity to bend rays of light is called:
The image obtained by a concave lens is:
The word 'Gene' was coined by:
What type of lens is found in human eye?
Which mode of nutrition is found in fungi?
What is the chemical name of Plaster of Paris?
Which of the following is an iodized salt?
Most of the refraction of the light rays entering the eye occurs at:
Which of the following lenses is used to remove short-sightedness?
Which of the following is the unit of power of lens?
What is present in cathode rays?
Which of the following is the chemical formula of glucose?
Within which pH range does our body work?
What is the chemical formula of quicklime?
The atomic number of sodium is:
The atomic number of magnesium is 12. What is its valency?
Which of the following metals is displaced from its salt solution by iron?
What is the chemical formula of ethyl alcohol?
The absolute refractive index of air is actually:
Mirror used by ENT (Ear-Nose-Throat) doctor is:
Which one of the following is a clean energy source?
Which of the following acids is found in vinegar?