Q. No.The enzyme present in lysosomes belong to the class ______ & acidic condition inside is maintained by ______
(1) Oxidoreductases, pumping protons
(2) Hydrolases, secretion of acids
(3) Hydrolases, pumping of protons
(4) Lyases, removal of protons
(1) Oxidoreductases, pumping protons
(2) Hydrolases, secretion of acids
(3) Hydrolases, pumping of protons
(4) Lyases, removal of protons
Which of the following statement is not concerned with fluid mosaic model of plasma membrane?
1. Phospholipid forming a water resistant barrier
2. Glycocalyx at inner surface
3. Mosaic pattern of proteins
4. More extrinsic protein at inner surface
Which of the following is not a microtubular organelle?
(1) Centriole
(2) Cilia
(3) Basal body
(4) Dalton complex
Select the incorrect statement with respect to prokaryotic cells
(1) Cytoplasm lacks membrane bound organelles
(2) Sap vacuoles are absent
(3) Chromosome possesses acidic protein i.e., polyamine
(4) Lack streaming movement of cytoplasm
In human beings, the membrane of erythrocyte has
(1) Approximately 40% proteins and 52% lipids
(2) Cephalin on the outer side and lecithin on the inner side
(3) Approximately 52% proteins and 40% lipids
(4) Lecithin on the outer side and cephalin on the inner side
A number of proteins synthesized by ribosomes on the endoplasmic reticulum are modified in the ______ of the Golgi apparatus before they are released from its trans face
1. Tubules
2. Vesicles
3. Cisternae
4. More than one option is correct
How many microtubules are associated with the structure of centriole?
(1) 9
(2) 18
(3) 27
(4) 11
Granular endoplasmic reticulum is associated with which of the following functions?
(1) Synthesis of secretory as well as non-secretory proteins
(2) Synthesis of non-secretory proteins
(3) Synthesis of steroidal hormones
(4) Synthesis of secretory proteins
Which of the following plastids store fats?
(1) Elaioplast
(2) Aleuroplast
(3) Proteinoplast
(4) Amyloplast
In plants, which of the following microbody is involved in photorespiration?
(1) Peroxisome
(2) Sphaerosome
(3) Glyoxysome
(4) Ribosome
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