Carotenoid pigments are found in:
I. Chloroplasts
II. Chromoplasts
III. Leucoplasts
(1) Only I
(2) Only I and II
(3) Only II
(4) I, II and III
Microbodies, which help to convert stored lipids into carbohydrates so they can be used for plant growth, are known as:
1. Peroxisomes
2. Sphaerosomes
3. Glyoxysomes
4. Lysosomes
Ribosomes are produced in
1. Nucleolus
2. Mitochondria
3. Cytoplasm
4. Golgibody
All the following are the part of a eukaryotic cell endomembranous system except:
1. Vacuole
2. Lysosome
3. Golgi complex
4. Mitochondria
A feature unique to prokaryotes would be:
1. A cell wall not made up of cellulose
2. An extrachromosomal plasmid DNA
3. A cell membrane of peptidoglycan
4. Presence of inclusions
Chromatophores are:
1. present in liopolysaccharide layer of gram negative bacteria
2. colored pigments present in fluorescent bacteria
3. vesicles that store pigments in prokaryotic cells
4. extensions on membrane in cynobacteria
The tail of the phospholipid molecule:
1. | is hydrophilic and composed of phosphate |
2. | is hydrophilic and composed of saturated hydrocarbons |
3. | is hydrophobic and composed of saturated hydrocarbons |
4. | is hydrophobic and composed of unsaturated hydrocarbons |
In animal cells, lipid-like steroidal hormones are synthesized in the:
1. Nucleus
2. Rough endoplasmic reticulum
3. Smooth endoplasmic reticulum
4. Golgi apparatus
Unless specifically stained by a vital stain like Janus Green, which of the following will not be visible under a microscope?
1. Rough endoplasmic reticulum
2. Smooth endoplasmic reticulum
3. Golgi apparatus
4. Mitochondria
Fat soluble pigments like xanthophylls are present in:
1. Chromoplasts
2. Aleuroplasts
3. Elaioplasts
4. Amyloplasts