Related Questions
Which of these is NOT a state of matter?
Solid
Liquid
Gas
Vacuum
A hypothetical organism exhibits a unique genetic code where codons consist of five nitrogenous bases. Assuming the same four nitrogenous bases are used, what is the minimum number of different amino acids this organism could theoretically code for if it requires at least two unique codons per amino acid?
1
2
512
1024
Biodiversity refers to the:
Number of individuals in a species
Total mass of living organisms
Variety of life on Earth
Interaction between organisms
Which property of water contributes most significantly to its ability to act as a universal solvent?
High specific heat
High boiling point
Cohesion and adhesion
Polarity and hydrogen bonding
Which hierarchical level represents the basic unit of classification?
Genus
Family
Order
Species
During the process of phloem loading, sugars are actively transported into the sieve tube elements. This creates a pressure gradient that drives the flow of sugars. What is the primary force responsible for this movement?
Diffusion
Active transport
Capillary action
Hydrostatic pressure
Which branch of science deals with the study of energy and matter and their interactions?
Chemistry
Biology
Physics
Geology
The resolution limit of a light microscope is primarily determined by which of the following?
The magnification power of the ocular lens
The wavelength of light used and the numerical aperture of the objective lens
The contrast between the specimen and the background
The intensity of the light source
A scientist observes a newly discovered entity that exhibits growth, reproduction, and response to stimuli but lacks a defined cellular structure. Based on NCERT's definition of life, which statement is most accurate?
The entity is unequivocally a living organism due to exhibiting key life processes.
The entity is a non-living entity as all life must possess a cellular structure.
The entity's status as a living organism is ambiguous as it lacks a key defining feature.
The entity represents a pre-cellular life form demonstrating the evolution of life.
The emergent properties of life arise from:
(A) The unique chemical composition of living matter.
(B) The complex interactions between the components of living systems.
(C) The ability of living organisms to defy the laws of thermodynamics.
(D) The inherent simplicity of basic biological molecules.
A
B
C
D