Which of the following is the fundamental unit of life?
Tissue
Organ
Organ system
Cell
Related Questions
Which of the following is NOT a function of carbohydrates?
Energy storage
Structural support
Catalyzing biochemical reactions
Cellular communication
Imagine a hypothetical planet with half the Earth's radius and twice its average density. What would be the acceleration due to gravity on the surface of this planet?
4.9 m/s²
19.6 m/s²
9.8 m/s²
2.45 m/s²
What is the correct hierarchical order of biological organization from smallest to largest?
Organism, Organ System, Organ, Tissue, Cell
Cell, Tissue, Organ, Organ System, Organism
Tissue, Cell, Organ, Organ System, Organism
Organ, Organ System, Organism, Tissue, Cell
The term 'systematics' refers to:
Study of diversity of organisms and their evolutionary relationships
Study of the naming of organisms
Study of habitats of different organisms
Study of the behavior of organisms
Which of these is NOT a branch of Chemistry?
Organic Chemistry
Inorganic Chemistry
Physical Chemistry
Astrology
Assertion: In unicellular organisms, growth is the same as reproduction.
Reason: Reproduction in unicellular organisms involves an increase in cell number.
(A) Both assertion and reason are true and the reason is the correct explanation of the assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of the assertion.
(C) Assertion is true but reason is false.
(D) Assertion is false but reason is true.
A
B
C
D
Which process converts light energy into chemical energy in plants?
Respiration
Digestion
Photosynthesis
Transpiration
A newly discovered virus exhibits a unique characteristic: its genetic material is composed of single-stranded DNA. This challenges the conventional understanding of viral genomes. Which of the following established biological concepts is MOST directly challenged by this discovery?
Cell Theory
Endosymbiotic Theory
The Central Dogma of Molecular Biology
Germ Theory of Disease
Which hierarchical level of biological classification is positioned DIRECTLY below the 'Domain' level according to the NCERT classification system?
Phylum
Class
Kingdom
Order
If a scientist discovers a new element with an atomic number of 120, what would be its predicted electronic configuration, assuming it follows the known principles of electronic configuration?
[Og] 8s² 5g²
[Og] 7d² 8s²
[Og] 8p²
[Rn] 7s² 5f¹⁴ 6d¹⁰ 7p⁶ 8s² 8p²