Questions
The term ‘lipochondria’ is applicable to which of the following cell organelles?
Cell organelles are the living counterparts of typical eukaryotic cells.
- Mitochondria
- Vacuoles
- Golgi bodies
- Centrioles
- Ribosomes
The term ‘ergastoplasm’ was originally coined to designate which of the following cell organelles?
Cell organelles are the living counterparts of typical cells.
- Ribosome
- Mitochondria
- Cytoplasm
- Lysosome
- Endoplasmic reticulum
The famous historic book ‘Micrographia’ is written by
- Robertson
- Charles Darwin
- Robert Brown
- Robert Hooke
- George Palade
The epithelial tissue tumor is also known as
According to the cells of origin, tumors may be classified into various types.
- sarcoma
- rhabdomyosarcoma
- carcinoma
- lymphoma
- leukemia
Which of the following plant pigments is responsible for the brown hues of certain algae?
- Chlorophyll
- Luciferin
- Carotene
- Anthocyanin
- Fucoxanthin
Photosystem II is found in
- grana of of chloroplast
- stroma of chloroplast
- matrix of chloroplast
- mitochondrial matrix
- cytochrome
Oxysomes are associated with
Mitochondria are double membrane bound cell organelles.
- mitochondrial matrix
- mitochondrial DNA
- outer mitochondrial membrane
- inner mitochondrial membrane
- intermembrane space
Which of the following is the example of a multi-drug transport system providing resistance to many drugs targeted at cancerous cells?
- Sodium potassium pump
- ATP binding cassettes
- Proton pump
- Co-transport
- Facilitated diffusion
The type of filament associated with nuclear lamina is called
The nuclear lamina is composed of nuclear lamins.
- actin
- myosin
- microtubule
- intermediate filament
- vimentin
How many nuclear pore complexes are present in a typical mammalian cell?
The nuclear envelope of a typical eukaryotic cell contains nuclear pore complexes made up of proteins called nucleoporins.
- 1000 - 2000
- 2000 - 3000
- 3000 - 4000
- 4000 - 5000
- 5000 - 6000
The thickness of plasma membrane is about
The semi-permeable plasma membrane is so thin that it is far below the limit of the light microscope.
- 10 - 50 angstrom
- 50 - 75 angstrom
- 75 - 100 angstrom
- 100 - 175 angstrom
- 200 - 300 angstrom
Which of the following is a double membranous cell organelle?
Cell organelles are the living counterparts of a typical cell having specialised roles.
- Ribosome
- Golgi body
- Peroxisome
- Lysosome
- Chloroplast
Spherosomes are known to arise from
Spherosomes or oleosomes are triacylglycerol filled vesicles that are important in seed development.
- ribosomes
- mitochondria
- plasma membrane
- endoplasmic reticulum
- golgi apparatus
Who of the following scientists was awarded Nobel Prize for studies on chlorophyll pigments?
Chlorophyll is the universal green pigment present in the chloroplasts of green plants.
- A. Kossel
- R. Wilstatter
- M. Tswett
- Kary Mullis
- Park and Pon
How many chlorophyll molecules are found in quantasomes?
Quantasomes that are present on the surface of thylakoid membranes contain chlorophyll molecules.
- 175 - 200
- 190 - 200
- 210 - 280
- 230 - 250
- 50 - 100