Amylase, also called ptyalin breakdown starch into simpler sugars & works at a pH of 6.7 If food reach in lime juice is taken the action of ptyalin on starch is reduced as lime juice creates acidic condition and enzymes ...

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

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

We know that, lactic acid is formed from glucose inside the muscle’s cells, during vigorous physical exercise. Because, there is lack of O₂ in the body. Remember, that – muscle cells respire an-aerobically to produce lactic acid.

The average speed of an object is greater than or equal to the magnitude of the average velocity in a given time interval.

Distance, odometer is an instrument used for measuring the distance travelled by a vehicle such as a bicycle or car.

The displacement of an object can be less than or equal to the distance covered by the object because the magnitude of the displacement is not equal to the distance. This can happen if the motion is along a straight ...