Everyday Science — All MCQs

Correct Answer: C

Deficiency of vitamin D” in human body can causes osteoporosis and fractures. An inadequate supply disrupts the biological process that depends on this nutrient or substance and produces the stated condition.

Correct Answer: A

Deficiency of vitamin E in the human body causes Muscle weakness and vision problem. An inadequate supply disrupts the biological process that depends on this nutrient or substance and produces the stated condition.

Correct Answer: A

Deficiency of Vitamin-A results in Night blindness. An inadequate supply disrupts the biological process that depends on this nutrient or substance and produces the stated condition.

Correct Answer: B

Deficiency of Vitamin-D results in rickets. An inadequate supply disrupts the biological process that depends on this nutrient or substance and produces the stated condition.

Correct Answer: B

Deforestation will decrease: Rainfall. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Dengue Fever is also called Breakbone Fever. The term is defined by the subject, process, or characteristic described in the question.

Correct Answer: B

Despite the fluctuation in human body temperature. The temperature of human body remains at 37 °C. The temperature of human body remains at 37 °C. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.

Correct Answer: C

Detergents dissolved in water help in cleaning clothes by Reducing the surface tension of water. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: C

Deuterium differs from Hydrogen in having: Same atomic number and different atomic weight. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Development of calf muscles in ladies who wear high heel sandals is common example of: Artificial selection. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Development of calf muscles in ladies who wear high heels is a common example of: inheritance of acquired character. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Diamond is composed of a single element Carbon. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Diamond is an allotropic form of Carbon. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Diamond is harder than Graphite because of Difference in crystalline Structure. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: A

Diamonds are made up almost entirely of what element: Carbon. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Dielectric constant of water is 80. The effect results from the movement of charge or the interaction of electric and magnetic fields.

Correct Answer: D

Diesel engine was discovered by Rudolf Diesel. Historical scientific accounts credit this person, place, or event with the development described.

Correct Answer: A

Digestion of food is completed in the small intestine. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Dinosaurs and many other species were extinct about 66 million years ago. This description follows from the defining characteristics and established facts associated with the subject.

Correct Answer: B

Dioptre is an unit of measurement for Lens. This value follows from the standard definition or accepted conversion used for the quantity.