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 ...

Absolutely true, Osmosis, is the movement of water (molecules) by a selectively permeable membrane. It is the passage of water from an area of high-water concentration to an area of low water concentration through a semi-permeable membrane.

The plasma membrane allows the entry and existence of certain materials in and out of cells. Hence, it is called selectively permeable membrane.

All we know that every cell performs in our body. And after being cell dead it throws out from the body. Remember, shape & size of cells are related to the specific function as they perform.

True, Rudolf Virchow modified the cell theory in 1855. He gave the postulelate, “Omnis cellula-e-cellula”, which means, a new cell arise from pre-existing cells.

In the year 1670, Dutch biologist Anton van Leeuwenhoek discovered the living cell when he looked at pond water under a microscope, which is made up of lenses.

Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions Class IX Science MCQ Extra Questions Answers 9th Science Terminal Exam Based MCQ Extra Questions

Depending on the region where the meristematic tissues is present, they are classified as apical, lateral and intercalary.

Lateral meristematic tissues, creates when girth of the steam increases. This increase in the diameter and girth of the plant and is called secondary growth. The apical Meristem is situated at the growing tips of stems, root and also at ...