1.
Which among the following are characteristic features of living organisms?
Correct Answer
D. ALL THE ABOVE
Explanation
The characteristic features of living organisms include metabolism, reproduction, and response to stimulus. Metabolism refers to the chemical processes that occur within an organism to maintain life. Reproduction is the ability of organisms to produce offspring. Response to stimulus involves the ability to react and respond to changes in the environment. All of these features are essential for the survival and functioning of living organisms.
2.
The basic unit of biological classification is
Correct Answer
B. SPECIES
Explanation
The basic unit of biological classification is the species. A species is defined as a group of organisms that can interbreed and produce fertile offspring. It is the lowest and most specific level of classification in the Linnaean system. Species are grouped into larger categories such as genus, family, order, class, phylum, and kingdom based on their similarities and evolutionary relationships.
3.
STUDY OF INSECTS IS CALLED:
Correct Answer
C. ENTOMOLOGY
Explanation
The correct answer is ENTOMOLOGY. Entomology is the scientific study of insects. It involves the identification, classification, and understanding of the biology, behavior, and ecology of insects. This field of study is important for various reasons, including pest control, conservation, and understanding the role of insects in ecosystems.
4.
Phenetic classification is based on:
Correct Answer
B. observable characteristics of existing organisms
Explanation
Phenetic classification is a method of grouping organisms based on their observable characteristics. This approach focuses on similarities and differences in physical traits, such as morphology, behavior, and physiology, to determine relationships between organisms. It does not consider ancestral lineage or DNA characteristics. Therefore, the correct answer is "observable characteristics of existing organisms."
5.
Three domain system was introduced by:
Correct Answer
C. Karl Wose
Explanation
The correct answer is Karl Wose. He introduced the three-domain system, also known as the Woese system, in the late 1970s. This system categorizes all living organisms into three domains: Bacteria, Archaea, and Eukarya. This classification is based on the differences in cellular structure, genetic material, and metabolic processes. Woese's work revolutionized our understanding of the diversity and evolutionary relationships among organisms.
6.
Which one of the following is NOT covered under Taxonomy?
Correct Answer
D. Delta taxonomy
Explanation
Delta taxonomy is not covered under Taxonomy because there is no such concept or field of study as "Delta taxonomy." The term "taxonomy" refers to the science of classification and categorization, particularly in biology. Alpha, beta, and gamma taxonomy are all recognized and established branches of taxonomy that deal with different aspects of classification. However, "Delta taxonomy" does not exist and is not a recognized term in the field.
7.
Study of evolutionary history of an organism
Correct Answer
C. pHylogeny
Explanation
Phylogeny refers to the study of the evolutionary history of an organism. It involves analyzing and comparing genetic, morphological, and behavioral characteristics to determine the relationships between different species and their common ancestors. By constructing phylogenetic trees, scientists can understand the evolutionary relationships and the patterns of diversification among organisms. This helps in categorizing and classifying species based on their evolutionary relatedness. Phenetics, phenology, and systematics are related fields but do not specifically focus on the evolutionary history of organisms.
8.
UNICELLULAR EUKARYOTE BELONGS TO
Correct Answer
C. Protista
Explanation
Protista is the correct answer because unicellular eukaryotes belong to this kingdom. Protists are a diverse group of organisms that have a true nucleus and membrane-bound organelles. They can be found in various habitats, including freshwater, marine environments, and soil. Examples of protists include amoebas, paramecia, and algae. Monera refers to prokaryotic organisms, such as bacteria, which do not have a true nucleus. Fungi are eukaryotic organisms, but they are multicellular and not unicellular. Archaea are also prokaryotic organisms, but they are distinct from bacteria and belong to a separate domain.
9.
Who is credited as the “Darwin of the 20th century”?
Correct Answer
B. Mayer
Explanation
Mayer is credited as the "Darwin of the 20th century" because he formulated the law of conservation of energy, which is one of the fundamental principles of physics. This law states that energy cannot be created or destroyed, only transformed from one form to another. Mayer's work laid the foundation for the field of thermodynamics and his contributions to the understanding of energy were groundbreaking, much like Charles Darwin's contributions to the field of biology in the 19th century.
10.
Molecular taxonomy utilises
Correct Answer
D. All
Explanation
Molecular taxonomy utilizes all of the mentioned components: DNA, RNA, and protein. These three components are essential for identifying and classifying organisms based on their genetic makeup. DNA sequencing helps in determining the nucleotide sequence of an organism's genome, while RNA sequencing helps in analyzing gene expression patterns. Proteins, on the other hand, play a crucial role in determining an organism's structure and function. By studying all three components, molecular taxonomy can provide a comprehensive understanding of an organism's evolutionary relationships and classification.
11.
DNA Barcoding in animals utilises
Correct Answer
D. COI
Explanation
DNA barcoding is a technique used to identify and classify species based on a short DNA sequence from a specific gene. COI, or cytochrome c oxidase subunit I, is a commonly used gene for DNA barcoding in animals. It is a mitochondrial gene that has a highly conserved region, allowing for the comparison of species across a wide range of taxa. COI has been found to be effective in distinguishing between closely related species and has become a standard marker for DNA barcoding initiatives.
12.
Eight kingdom classification is given by
Correct Answer
D. Smith
13.
Halophiles and thermoacidophiles belongs to kingdom
Correct Answer
C. Archae
Explanation
Halophiles and thermoacidophiles are extremophiles, which means they can survive in extreme environments. Halophiles are organisms that thrive in highly saline environments, such as salt lakes or salt pans. Thermoacidophiles, on the other hand, are organisms that can withstand high temperatures and highly acidic conditions, such as hot springs or volcanic vents. Both of these types of organisms are commonly found in the Archaea kingdom. Archaea is one of the three domains of life, along with Bacteria and Eukarya. It is distinct from the other two domains due to its unique genetic and biochemical characteristics.
14.
Study of life processes is called
Correct Answer
C. pHysiology
Explanation
Physiology is the study of life processes, including how organisms function and the mechanisms that enable them to survive. It focuses on the functions of organs, tissues, and cells, as well as the interactions between them. Anatomy, on the other hand, is the study of the structure of organisms. Morphology is the study of the form and structure of organisms. Cell biology is the study of cells and their functions. Therefore, physiology is the correct answer as it specifically refers to the study of life processes.
15.
Systema Naturae was written by
Correct Answer
C. Linnaeus
Explanation
Systema Naturae is a scientific book written by Linnaeus. It is considered one of the most important works in the field of taxonomy and is often seen as the starting point of modern biological nomenclature. Linnaeus classified and described thousands of species of plants and animals in this book, laying the foundation for the modern system of naming and categorizing living organisms. His work revolutionized the way scientists organize and study the natural world.
16.
Parazoology is the study of
Correct Answer
A. Sponges
Explanation
Parazoology is the study of sponges. Sponges are multicellular organisms that belong to the phylum Porifera. They are known for their ability to filter water and extract nutrients from it. Parazoology focuses on studying the anatomy, physiology, behavior, and ecology of sponges. This field of study helps in understanding the diversity, evolution, and ecological role of sponges in various ecosystems.
17.
Biological species concept was introduced by
Correct Answer
A. Mayer
18.
First edition of international code of Zoological Nomenclature was published in the year
Correct Answer
A. 1961
Explanation
The correct answer is 1961. The first edition of the international code of Zoological Nomenclature was published in this year. This code provides rules and guidelines for the scientific naming of animals. It helps to ensure consistency and clarity in the naming process, allowing scientists to effectively communicate and classify different species.
19.
Father of Zoology is
Correct Answer
A. Aristotle
Explanation
Aristotle is considered the father of Zoology because he was one of the first to systematically study and classify animals. He wrote extensively on the subject, describing and categorizing various species. His work laid the foundation for the scientific study of animals and greatly contributed to the field of Zoology.
20.
While writing scientific name of an organism which part of the name should not begin with a capital letter
Correct Answer
B. Species
Explanation
In scientific naming of organisms, the genus name always begins with a capital letter, while the species name does not. This is because the genus name represents a broader category, while the species name represents a specific individual or group within that category. By capitalizing the genus name and not capitalizing the species name, scientists can easily distinguish between the two levels of classification.
21.
Which one belongs to monera
Correct Answer
D. All the above
Explanation
All the options mentioned in the question belong to the kingdom Monera. Bacteria, Archaebacteria, and Cyanobacteria are all types of microorganisms that are classified under the kingdom Monera. Monera is a kingdom that consists of single-celled organisms without a nucleus, and these three types of bacteria fall under this category. Therefore, the correct answer is "All the above."
22.
Conchology deals with
Correct Answer
A. Shells
Explanation
Conchology is the branch of science that specifically studies shells. It involves the identification, classification, and study of various aspects of shells, including their structure, formation, and the organisms that produce them. This field of study helps in understanding the diversity and evolution of mollusks, as well as their ecological roles and interactions with their environment. Therefore, the correct answer for this question is "Shells."
23.
Multicellular heterotrphes belongs to
Correct Answer
A. Fungi
Explanation
Multicellular heterotrophs are organisms that consist of multiple cells and obtain their nutrients by consuming other organisms. Fungi is the correct answer because they are multicellular heterotrophs. Fungi are known for their ability to decompose organic matter and obtain nutrients from it. They play a crucial role in the ecosystem by breaking down dead organisms and recycling nutrients back into the environment.
24.
Study of snake is
Correct Answer
D. OpHiology
Explanation
Ophiology is the study of snakes. It specifically focuses on their biology, behavior, classification, and ecology. This field of study involves researching and understanding various aspects of snakes, including their anatomy, venom, reproduction, and habitat. By studying ophiology, scientists and researchers aim to gain knowledge about snakes and contribute to their conservation and management.
25.
Term taxonomy was coined by
Correct Answer
A. DeCandallo
26.
Study of heredity and variation is
Correct Answer
D. Genetics
Explanation
The study of heredity and variation is called genetics. This field of science focuses on the study of genes, heredity patterns, and how traits are passed down from one generation to another. It involves understanding the structure and function of genes, as well as the mechanisms of inheritance and genetic variation. By studying genetics, scientists can gain insights into the causes of genetic diseases, develop new treatments, and even manipulate genes to improve crop yields or create genetically modified organisms.
27.
Monera includes
Correct Answer
A. Unicellular prokaryote
Explanation
Monera includes unicellular prokaryotes. Prokaryotes are organisms that lack a nucleus and membrane-bound organelles. They are single-celled organisms that have a simple cellular structure. Monera is a kingdom in the five-kingdom classification system, which includes bacteria and archaea. Both bacteria and archaea are examples of unicellular prokaryotes. Therefore, the correct answer is "Unicellular prokaryote."
28.
Asexual reproduction in bacteria is by
Correct Answer
A. Binary fission
Explanation
Asexual reproduction in bacteria is primarily accomplished through binary fission. In this process, the bacterium divides into two identical daughter cells. It involves the replication of the bacterial DNA and the subsequent separation of the two copies into separate daughter cells. Budding, fragmentation, and gemmule formation are methods of asexual reproduction in other organisms, but they are not commonly observed in bacteria.
29.
Which of the following not included in six kingdom classification
Correct Answer
A. Chromista
Explanation
Chromista is not included in the six kingdom classification because it is a kingdom that was proposed by botanist Cavalier-Smith in 1981. However, it is not widely accepted and recognized as a separate kingdom by most taxonomists. The six kingdom classification system includes Archaea, Bacteria, Protista, Fungi, Plantae, and Animalia.
30.
Chitin is found in
Correct Answer
C. Fungi
Explanation
Chitin is a structural polysaccharide that provides rigidity and support to the cell walls of fungi. It is not found in Plantae, Protists, or Monera. Therefore, the correct answer is Fungi.