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Living beings are shaped by a few natural just as inorganic biomolecules. The inorganic molecules involve water and minerals, while the natural particles include sugars, amino acids, and so on These biomolecules assume significant part of indigestion.
The living world is arranged based on their morphological highlights. This arrangement of characterization is called scientific categorization. They are given diverse logical names for their ID.
Start practice of given underneath MCQ Questions and score more checks in Board exam just as NEET exam: –
1. The defining characteristic of living beings is
(a) They reproduce
(b) They can digest their food
(c) They respond to external stimuli
(d) They regenerate.
2. What is a homonym?
(a) Identical name of two different taxa
(b) Two or more names of the same taxon
(c) Name given to a taxon in local language
(d) Species name repeats the generic name
3. The maintenance of constant temperature inside the body is an example of
(b) Negative feedback loop
(c) Both A and B
(d) None of these
4. Preservative liquid used for storing fleshy organs is
(b) Ethyl alcohol
(c) Acetic acid
5. A species was defined as ‘A population of interbreeding individuals which are reproductively isolated from other populations by
(a) J. B. Lamarck
(b) Charles Darwin
(c) Ernst Mayr
(d) Carolus Linnaeus
6 . Systema Nature’ is a book written by
(c) John Roy
(d) De Candole
7. Metabolism refers to
(a) Release of energy
(b) Gain of energy
(d) Gain or release of energy.
8. Any type of taxonomic group of organisms is called
(d) Rank of hierarchy
9. Musca domestica is the common name of
10. The Indian Botanical Garden and the National Botanical Research Institute are located respectively at:
(a) Pune and Howrah
(b) Howrah and Lucknow
(c) Darjeeling and Lucknow
(d) Shimla and Dehradun
11. Species found in different geographical locations are called
(a) Sympatric species
(b) Allopatric species
(c) Sibling species
12. One of the following functions is exhibited only by green plants and not by animals.
13. In which organism protoplasm and cellular structure is absent
14. The Darwin of the 20th century is
(b) Ernst Mayr
(c) Carolus Linnaeus
15. The label of a herbarium sheet does not carry information on
(a) date of collection
(b) name of collector
(c) local names
(d) height of the plant
16. The study of fish culture is called
17. The ozone layer is found in the
18. ICBN stands for:
(a) Indian Congress of Biological Names
(b) International Code for Botanical Nomenclature
(c) International Congress of Biological Names
(d) Indian Code of Botanical NOmenclature
19. Energy transformation is never
efficient because of
20. Nicotiana is a ………
21. Biodiversity means-
(a) Number of organisms known
(b) Types of organisms known
(c) Number of species known
(d) All are correct
22. The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in the classification of plants?
23. Which of the following is against the rules of ICBN?
(a) Hand-written scientific names should be underlined.
(b) Every species should have a generic name and a specific epithet.
(c) Scientific names are in Latin and should be italicized.
(d) Generic and specific names should be written starting with small letters.
24. The book ‘Genera Plantarum’ was written by
(a) Engler and Prantl
(b) Bentham and Hooker
25. Static concept of species was put forward by
(a) de Candolle
1. Answer : (c) They respond to external stimuli
Explanation: There are seven characteristics of living things: movement, breathing or respiration, excretion, growth, sensitivity, and reproduction.
2. Answer : (a) Identical name of two different taxa
Explanation: A homonym is a name that belongs to a taxon and which spells the same as a name belonging to another taxon. There are two types of homonyms called homophones and homographs.
3. Answer : (a) Homeostasis
Explanation: The control of body temperature in humans is a good example of homeostasis in a biological system.
4. Answer :(d) Formalin
Explanation: Preservatives are used to preserve the substances. In the same manner, to prevent biological specimens the preservative is used. These are used to prevent damages to the specimens. Formalin is one the known and famous preservatives which are used for the preservation of biological specimens.
5. Answer : (c) Ernst Mayr
Explanation: A species is defined as a population of interbreeding individuals and reproductively isolated from other populations by Ernst Mayr.
6. Answer : (a) Linnaeus
Explanation: Carl von Linné, or Carl Linnaeus (1707–1788) was a Swedish physician, botanist, and zoologist who created a new system of classification for all living things.
7. Answer : (d) Gain or release of energy
Explanation: Metabolism refers to the whole sum of reactions that occur throughout the body within each cell and that provide the body with energy. This energy gets used for vital processes and the synthesis of new organic material.
8. Answer : (a) Taxon
Explanation: A taxonomic group of any rank is called a taxon. Examples of taxonomic ranks are species, genus, family, order, class, phylum, domain, etc.
9. Answer : (a) Housefly
Explanation: The common name of Housefly is Musca domestica.
10. Answer : (b) Howrah and Lucknow
Explanation: National botanical research institute is located in Lucknow, Uttar Pradesh. The national botanical research institute was made by Kailash Nath Kaul which is named as the National botanical garden.
11. Answer : (b) Allopatric species
Explanation: Allopatric species can inhabit different geographical areas. – Geographical barriers such as mountains, rivers, buildings, oceans, glaciers, valleys, etc., isolates biological populations of the same species. Some other causes behind allopatric speciation are social differences and emigration.
12. Answer : (b) Photosynthesis
Explanation:Photosynthesis is exhibited by plants only. Photosynthesis is the function exhibited only by Green plants because they contain chlorophyll which is absent in the animal body and also animals are heterotrophs there is no chance of preparing their own food.
13. Answer : (b) Virus
Explanation: Cell membrane, protoplasm, ribosome, etc are absent in viruses.
14. Answer : (b) Ernst Mayr
Explanation: Ernst Mayr is understood as Darwin of the 20th century. He’s referred to as the father of the 20th century as he contributed tons to science. He was the number one evolutionary biologist in his time.
15. Answer : (d) height of the plant
Explanation: Herbarium is an important taxonomical aid that comprises a collection of preserved plants. These are used for research and are stored systematically, organized, and cataloged. It has no information about plant height. So, the correct option is ‘Height of the plant’.
16. Answer :(d) pisciculture
Explanation: The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food.
17. Answer : (b) stratosphere
Explanation: The ozone layer is the common term for the high concentration of ozone that is found in the stratosphere around 15–30km above the earth’s surface. It covers the entire planet and protects life on earth by absorbing harmful ultraviolet-B (UV-B) radiation from the sun.
18. Answer : (b) International Code for Botanical Nomenclature
Explanation: International Code of Botanical Nomenclature (ICBN); the name was changed at the International Botanical Congress in Melbourne in July 2011.
19. Answer : (b) Entropy
Explanation: Entropy changes in a system restrict the engine from transferring all its energy into work. Hence energy transfers is never
20. Answer : (c) Genus
Explanation: Nicotiana is a Genus.
21. Answer : (d) All are correct
Explanation: The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.
22. Answer : (d) Division
Explanation: The taxonomic unit ‘Phylum’ in the classification of animals is equivalent to the taxonomic unit ‘Division’ in the classification of the plants.
23. Answer : (d) Generic and specific names should be written starting with small letters.
Explanation: Accordingly, the generic name is the genus of the species and is written by starting with a capitalized letter. Both the generic name and the specific epithet are in italicized form.
24. Answer : (b) Bentham and Hooker
Explanation: In the book called ‘Genera Plantarum’, Bentham and Hooker gave a comprehensive system of classification of seed plants, and it is regarded as the most convenient system of classification because of its practical utility.
25. Answer : (b) Linnaeus
Explanation: Linnaeus put forward the static concept of species. Linnaeus developed a”binomial nomenclature system
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