Which of the following features is ABSENT in organisms belonging to Kingdom Monera?
Members of Kingdom Monera are prokaryotic and therefore lack a nuclear membrane.
Question 102 of 300
📘 CLASS XI
Aristotle's early scientific classification of plants categorised them into trees, shrubs and herbs based on:
Aristotle classified plants into trees, shrubs and herbs using simple morphological characters.
Question 103 of 300
📘 CLASS XI
The three-domain system of classification effectively results in how many kingdoms?
The three-domain system separates Monera into two domains, resulting in a six-kingdom classification.
Question 104 of 300
📘 CLASS XI
In early classification systems, organisms like Chlamydomonas (unicellular) and Spirogyra (multicellular) were grouped together under Plants primarily because:
Early systems grouped these organisms together because they possessed cell walls.
Question 105 of 300
📘 CLASS XI
The cell wall of fungi is distinct from that of plants because it is composed of:
Unlike plants, fungi possess cell walls made of chitin and polysaccharides.
Question 106 of 300
📘 CLASS XI
Which group of organisms shows the most extensive metabolic diversity in the living world?
Bacteria exhibit enormous metabolic diversity including photosynthetic, chemosynthetic and heterotrophic forms.
Question 107 of 300
📘 CLASS XI
Archaebacteria that thrive in extremely hot and acidic environments are called:
Thermoacidophiles are archaebacteria adapted to extremely hot and acidic environments.
Question 108 of 300
📘 CLASS XI
The colonies of cyanobacteria (blue-green algae) are often surrounded by a:
Cyanobacterial colonies are commonly enclosed within a gelatinous sheath.
Question 109 of 300
📘 CLASS XI
Which autotrophic bacteria oxidise inorganic substances like nitrates and use the released energy for ATP production?
Chemosynthetic autotrophic bacteria derive energy by oxidising inorganic compounds.
Question 110 of 300
📘 CLASS XI
During unfavourable environmental conditions, how do bacteria primarily ensure their survival?
Many bacteria survive adverse conditions by forming resistant spores.
