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

As a living organism, it is necessary to separate the oxygenated blood from mixing with deoxygenated blood as mammals and birds both needs high energy because they constantly require energy to process their body organisms and maintain their body temperature. ...

At noon the sun is directly overhead and have lesser here to travel through you and hence it will be reduced if the distance to be travelled in air is reduced less scattering leads to Sun appearing white as only ...

Fishes have heart which is two-chambered and they exhibit single circulation. Remember, four-chambered heart of birds and mammals exhibit double circulation and three-chambered heart of amphibians and reptiles depicts double circulation also.

Atomic number of X is 10, so this must be Ne (Neon), a noble or inert gas. This gas has complete octet configuration. Atomic number of Y is 17 as [2, 8, 7], so this must be chlorine (Cl). Chlorine ...