The figures of cork cells as seen by Robert Hooke were published in the book

Which of the following statements are correct? I. Mycoplasmas are the smallest cells II. Nerve cells are some of the longest cells III. Ribosomes are non-membrane bound organelles found only in eukaryotic cells IV. The cytoplasm is the main arena of cellular activities only in plant cells

The statement $omnis{\rm{ }}cellula{\rm{ }}e{\rm{ }}cellula$ of Rudolf Virchow has been taken from his book

Which of the following statements are false? I. Most cells are tiny and their volume ranges from 1 to 1000 ${\rm{n}}{{\rm{m}}^3}$. II. Some cells have the microvilli to increase the absorptive surface area. III. All cells arise from pre-existing cells. IV. In plants, translocation of solutes is performed by xylem vessels and tracheids. V. According to cell theory, all cells arise from abiotic material.

Cell Theory was propounded in 1838 – 39 by

Difference between prokaryote and eukaryote is in

A biomembrane consists of lipids, proteins carbohydrates and water. These lipid molecules are

If the cell wall of a cell is removed, the remaining is called

Which of the following statements are correct? I. Human RBC is about 7.0 ${\rm{\mu m}}$ in diameter II. Cytoplasm is the main arena of cellular activities III. The shape of the cells may vary with the function they perform IV. Various chemical reactions occur in cytoplasm to keep the cell in the living state Choose the correct option

Which of the following pairs lack the unit membrane?

Organisation of a cell has not been achieved in