A non proteinaceous enzyme is
A non proteinaceous enzyme is
Options
(a) Ligase (b) Deoxyribonuclease (c) Lysozyme (d) Ribozyme
Correct Answer:
Ribozyme
Explanation:
Ribozyme is RNA acting like an enzyme or biocatalyst.
Questions
In the light of recent classification of living organisms into three domains
In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?
Options
(a) Archaea resemble eukarya in […]
All of the following statements concerning the actinomycetous filamentous
All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia
Options
(a) can induce root nodules on many plant species (b) can fix nitrogen in the […]
Which of the following microorganism is the smallest living cell without cell
Which of the following microorganism is the smallest living cell without cell wall
Options
(a) virus (b) Archaebacteria (c) Mycoplasma (d) Eubacteria
Correct Answer:
Mycoplasma
Explanation:
Mycoplasmas are ” A genus of aerobic to facultatively […]
A vascular bundle having phloem on either side of the xylem
A vascular bundle having phloem on either side of the xylem
Options
(a) Bicollateral (b) Collateral (c) Radial (d) Concentric
Correct Answer:
Bicollateral
Explanation:
Bicollateral vascular bundles have phloem both on the outer […]
All the cytokinins are
All the cytokinins are
Options
(a) Acidic (b) Aminopurines (c) Phenol (d) Glucosides
Correct Answer:
Aminopurines
Explanation:
Gibberellic acid is mainly related with elongation of plant.
ETS is present in
ETS is present in
Options
(a) outer mitochondrial membrane (b) mitochondrial matrix (c) inner mitochondrial membrane (d) cytoplasm
Correct Answer:
inner mitochondrial membrane
Explanation:
The process of electron transfer through a chain of electron […]
First stable product of dark reaction in C3 plants is
First stable product of dark reaction in C₃ plants is
Options
(a) PEP (b) RuBP (c) PGA (d) OAA
Correct Answer:
PGA
Explanation:
In C₃ plants, the carbon dioxide combines with ribulose 1, 5-diphosphate […]
In mammals Haversian canals are connected with each other by transverse canals
In mammals Haversian canals are connected with each other by transverse canals, which are called
Options
(a) Semicircular canals (b) Volkman’s canals (c) Inguinal canals (d) Bidder’s canals
Correct Answer:
Volkman’s canals
Explanation: […]
In which one of the following do the two names refer to one and the same thing
In which one of the following do the two names refer to one and the same thing?
Options
(a) Tricarboxylic acid cycle and urea cycle (b) Krebs cycle and Calvin cycle (c) Tricarboxylic […]