Cell : The Unit of Life

Electrons used in electron microscope are of the wavelength

• 0.05 Å

• 0.15 Å

• 0.25 Å

• 0.30 Å

Which one of the following human cells do not contain mitochondria?

• Nerve cell

• Red blood cell

• Liver cell

• White blood cell

Which one of the following cells is not a phagocytic cell?

• Macrophage

• Monocyte

• Neutrophil

• Basophil

Numerical aperture of microscope lens is expressed by

• angular aperture only

• refractive index only

• both angular aperture and refrative index

• wave length of the light used

N-acetyl muramic acid is found in

• cell wall component of plant

• cell wall component of Gram positive bacteria

• cell wall component of fungi

• viral coat material

Identify the bacterium that appears violet after Gram staining

• Salmonella enterica

• Escherichia coli

• Mycobacterium tuberculosis

• Rhizobium meliloti

A major site for synthesis of lipids is

• RER

• SER

• symplast

• nucleoplasm

Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?

• Bacteria - Lysozyme

• Plant cells - Cellulase

• Algae - Methylase

• Fungi - Chitinase

The Golgi complex plays a major role

• in trapping the light and transforming it into chemical energy

• in digesting proteins and carbohydrates

• as energy transferring organelles

• in post translational modification of proteins and glycosidation of lipids

Which one of the following organelle in the figure correctly matches with its function?

• Rough endoplasmic reticulum, formation of glycoproteins

• Golgi apparatus, protein synthesis

• Golgi apparatus, formation of glycolipids

• Rough endoplasmic reticulum, protein synthesis