Explanation

Osteomalacia is caused due to deficiency of  Vitamin D

Explanation

Karl  Benz was a German engine designer and automobile engineer.

His Benz Patent Motorcar from 1885 is considered the first practical automobile.

Explanation

Radium is a chemical element with the symbol Ra and atomic number 88.

Explanation

Biogenesis is the production of new living organisms.

Explanation

The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.

Explanation

Portable timekeeping device of great accuracy, particularly one used for determining longitude at sea

Explanation

Electricity would remain little more than an intellectual curiosity for millennia until 1600, when the English scientist William Gilbert wrote De Magnete, in which he made a careful study of electricity and magnetism, distinguishing the lodestone effect from static electricity produced by rubbing amber.

Explanation

Trees release carbon dioxide at night and carbon dioxide being heavier than air descendes.So a person sleeping under a tree breathes carbon dioxide which is harmful for the human body.

Explanation

Xylem is one of the two types of transport tissue in vascular plants, the other being phloem.

The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.

Explanation

"The branch of science concerned with the nature and properties of matter and energy.

The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."