Chapter 8

Which of the following organisms are not composed of cells? (a) Amoeba (b) Paramecium (c) Euglena (d) None of these

Unicellular organisms are not capable of (a) Independent existence (b) Performing essential functions of life (c) Both (a) and (b) (d) None of these

Who was the first one to see a live cell? (a) Robert Hook (b) Leeuwenhoek (c) Robert Brown (d) None of these

Who was the German botanist to study the different cells forming plant tissues? (a) Schleiden (b) Schwann (c) Rudolf Virchow (d) None of these

In which year Matthias Schleiden examined a large number of plants and observed that all plants are composed of different kinds of cells which form the tissues of the plant? (a) 1638 (b) 1738 (c) 1838 (d) 1938

In which year Schwann studied different types of animal cells? (a) 1839 (b) 1739 (c) 1639 (d) 1938

The cell has a thin outer layer which is known as 'Plasma membrane'. Who reported this? (a) Schleiden (b) Schwann (c) Virchow (d) Robert Hooke

'Cell wall is a unique structure of plant cells'. Who concluded this? (a) Schleiden (b) Schwann (c) Both (a) and (b) (d) None of these

Who proposed the hypothesis that the bodies of animals and plants are composed of cells and product of cells? (a) Schleiden (b) Schwann (c) Both (a) and (b) (d) None of these

Who formulated the cell theory? (a) Schleiden (b) Schwann (c) Both (a) and (b) (d) None of these

'Omnis cellula e cellula' was given in the year (a) 1756 (b) 1855 (c) 1945 (d) 1839

Who was the one to describe that cells divided and new cells are formed from pre-existing cells? (a) Schleiden (b) Schwann (c) Virchow (d) All of these

Which of the following statement is not a part of final cell theory? (a) Cell has a thin outer layer called plasma membrane. (b) All living organisms are made up of cells and products of cells (c) All cells arise from pre-existing cells. (d) All of these

What is the outer covering of typical plant cell? (a) Cell wall externally (b) Plasma membrane externally (c) Cell wall internally (d) Cell wall externally, plasma membrane internally

In each cheek cell, there is a dense membrane bound structure which contains chromosome. This structure is (a) Endoplasmic reticulum (b) Golgi bodies (c) Nucleus (d) Mitochondria

What does a nucleus of a typical animal cell contain? (a) Chromosomes (b) Genes (c) DNA (d) All of these

The cell containing membrane bound nucleus can be called (a) Eukaryotic (b) Prokaryotic (c) Both (a) and (b) (d) None of these

If volume of the cell is filled with semi-fluid matrix called cytoplasm, what kind of cell is it? (a) Eukaryotic (b) Prokaryotic (c) Both (a) and (b) (d) None of these

What is the main arena of cellular activities in eukaryotic cells? (a) Nucleus (b) Cytoplasm (c) Plasma membrane (d) All of these

In an eukaryotic cell, where does the various chemical reactions occur to keep the cell in living state? (a) Nucleus (b) Cytoplasm (c) Mitochondria (d) All of these

How many of the following organelles are found in prokaryotic cells? ER, Golgi complex, Lysosome, Mitochondria, Microbodies, Vacuoles (a) 1 (b) 3 (c) 4 (d) 0

Where are the ribosomes found in prokaryotic cells? (a) Cytoplasm (b) Mitochondria (c) Chloroplast (d) All of these

Where are ribosomes found in eukaryotic cells? (a) Cytoplasm (b) Mitochondria (c) Chloroplast (d) All of these

How many of the following are membrane bound organelles? Lysosomes, Ribosomes, Mitochondria, Vacuoles (a) 2 (b) 3 (c) 4 (d) 0

Which of the following organelle is exclusively found in animal cells? (a) Mitochondria (b) Chloroplast (c) Vacuole (d) Centriole

Which of the following is incorrect? (a) Smallest cell \(\rightarrow\) Mycoplasma (b) Smallest cell \(\rightarrow\) Bacteria (c) Largest single cell \(\rightarrow\) Ostrich's egg (d) None of these

What is the length of mycoplasm cell? (a) \(300 \mathrm{~mm}\) (b) \(0.3 \mu \mathrm{m}\) (c) \(3000 \mathrm{~cm}\) (d) All of these

What could be the length of bacterial cell? (a) 3 to \(5 \mathrm{~mm}\) (b) 3 to \(5 \mu \mathrm{m}\) (c) \(3.5 \mathrm{~cm}\) (d) None of these

Diameter of an \(\mathrm{RBC}\) is (a) \(7 \mu \mathrm{m}\) (b) \(700 \mathrm{~mm}\) (c) \(6 \mu \mathrm{m}\) (d) \(6000 \mathrm{~mm}\)

The longest cells in human body are (a) Muscle cells (b) Cardiac muscle cells (c) Neurons (d) None of these

Which of the following is incorrect matching? (a) Round and biconcave \(-\mathrm{RBC}\) (b) Amoeboid - WBC (c) Elongated - Tracheid (d) Long and narrow - Nerve cells

Which of the following cells are round and oval? (a) \(\mathrm{RBCs}\) (b) \(\mathrm{WBCs}\) (c) Columnar cells (d) Mesophyll cells

Which of the following are long and narrow cells? (a) Nerve cells (b) WBC (c) Columnar epithelial cells (d) Tracheid

Which of the following represent prokaryotic cell? (a) Blue-green algae (b) PPLO (c) Bacteria (d) All of these

What is true for a prokaryotic cell? (a) They are smaller in size (b) Multiply much rapidly than eukaryotes (c) Greatly vary in shape and size (d) All of these

What is the size of a typical eukaryotic cell? (a) \(1-2 \mu \mathrm{m}\) (b) \(10-20 \mu \mathrm{m}\) (c) \(10-20 \mathrm{~mm}\) (d) \(1-2 \mathrm{~mm}\)

How much is the size of typical bacteria? (a) \(1-2 \mu \mathrm{m}\) (b) \(10-20 \mu \mathrm{m}\) (c) \(10-20 \mathrm{~mm}\) (d) \(1-2 \mathrm{~mm}\)

How much is the size of viruses? (a) \(0.02-0.2 \mu \mathrm{m}\) (b) \(0.2-0.4 \mu \mathrm{m}\) (c) \(0.02-0.04 \mu \mathrm{m}\) (d) None

What is a genomic DNA of bacteria? (a) Circular DNA (b) Single stranded DNA (c) Both (a) and (b) (d) ds DNA, linear

Where is the genetic material located in prokaryotes? (a) Nucleus (b) Enveloped by nuclear membrane (c) Naked in cytoplasm (d) None of these

What are plasmids? (a) Naked genomic DNA (b) Smaller DNA than genomic DNA (c) Enveloped DNA (d) None of these

Resistance to antibiotics is conferred by (a) Plasmid DNA (b) Chromosome (c) Both (a) and (b) (d) None of these

Which is the common organelles that are found in both eukaryotes and prokaryote? (a) Lysosome (b) Ribosome (c) Vacuole (d) Mitochondria

What is a specialized differentiated form of cell membrane? (a) Plasmid (b) Nucleosome (c) Mesosome (d) All of these

Infoldings of cell membrane in prokaryotic is called (a) Mesosomes (b) Lysosomes (c) Both (a) and (b) (d) None of these

What is external to cell wall in a prokaryotic cell? (a) Glycocalyx layer (b) Plasma membrane (c) Both (a) and (b) (d) None of these

Select the incorrect statement: (a) Glycocalyx differs in composition and thickness among different bacteria. (b) All organism are made of cells or aggregates of cells. (c) ER helps in synthesis of proteins, lipoproteins and glycogen. (d) Cells of all living organisms have nuclues

What is external to the plasma membrane in a prokaryotic cell like bacteria? (a) Glycocalyx layer (b) Cell wall (c) Both (a) and (b) (d) None of these

What is external to glycocalyx layer in prokaryotic cell like bacteria? (a) Cell wall (b) Plasma membrane (c) Both (d) None of these

What is external to plasma membrane and internal to glycocalyx layer? (a) Capsule (b) Cell wall (c) Cellular matrix (d) None of these