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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1951. |
What are enzymes? Mention it\'s types |
| Answer» Enzymes are the proteins that regulate or inhibit growth and perform all body activities such as adoptation to environment | |
| 1952. |
Write a note on Nature of bonding linking the monomers in polymers |
| Answer» Glycosidic Bond:\xa0Certain type of functional group which joins a sugar molecule to another group is called glycosidic bond. Another group may or may not be another carbohydrate.Peptide Bond:\xa0A chemical bond formed between two molecules; when the carboxyl group of one molecule reacts with the amine group of another molecule; is called peptide bond (amide bond). A molecule of water is released during this reaction. This is a dehydration synthesis reaction and usually occurs between two amino acids. This is also known as a condensation reaction. The resulting CO – NH bond is called a peptide bond. The resulting molecule is called an amide. The four atom functional group – C (=O)NH – is called an amide group or a peptide group.Phospho-diester Bond:\xa0A group of strong covalent bonds between a phosphate group and two other molecules over two ester bonds is called a phosphor-diester bond. Phosphodiester bonds make the backbone of the strands of DNA and hence are central to all life on Earth. In DNA and RNA, the phosphodiester bond is the linkage between the 3’ carbon atom of one sugar molecule and the 5’ carbon atom of another. | |
| 1953. |
Write a note on Polysaccharides |
| Answer» Polysaccharides\tPolysaccharides contain a large number of monosaccharide units joined together by glycosidic linkages.\tThese are the most commonly encountered carbohydrates in nature.\tThey mainly act as the food storage or structural materials.\tSome examples of polysaccharides are:\tStarchCelluloseGlycogen\t\t | |
| 1954. |
What are proteins? Explain their different forms |
| Answer» Proteins are complex\xa0biomolecules\xa0that are made up of smaller units known as\xa0amino acids.\xa0Due to different rearrangement of amino acids, the\xa0structure of proteins divides into four types:\tPrimary- the covalent linkages of the proteins\tSecondary- the linear peptide chains fold either into an alpha-helical structure(coiled) or a beta-pleated structure(sheets) which contain\xa0hydrogen bonds.\tTertiary-\xa0The arrangement and interconnection of proteins into specific loops and bends forms the tertiary structures. This structure contains hydrogen,\xa0ionic\xa0and disulfide bonds.\tQuarternary- this structure is proteins containing more than one peptide chain. | |
| 1955. |
Write a short note on Primary and secondary metabolites |
| Answer» Primary MetabolitesThese are the chemical compounds produced during the\xa0growth and development, processes. They are also involved in the primary metabolic processes of respiration and photosynthesis. The\xa0primary metabolites are formed in the growth phase. They maintain the physiological functions of the body and are known as central metabolites. They are the intermediate products of anabolic metabolism, which are used by the cells for the formation of essential macromolecules.Secondary MetabolitesThese compounds are produced by the organisms that are not required for primary metabolic processes. However, they can be important ecologically or otherwise. Secondary metabolites are considered to be the end products of primary metabolites because they are derived by the pathways in which the primary metabolites involve.For eg., antibiotics, toxins, pheromones, enzyme inhibitors, etc. Streptomycetes and related actinomycetes are the sources of novel secondary metabolites. | |
| 1956. |
Write a note on Nucleotides |
| Answer» \tA nucleotide is an organic molecule with a basic composition of a nitrogenous base, pentose sugar and phosphate.\tDNA and RNA are polynucleotides, which contain a chain of nucleotides monomers with different nitrogenous bases.\tNucleotides are essential for carrying out metabolic and physiological activities.\tATP (Adenosine triphosphate) acts as the energy currency of cells. Nucleotides form various coenzymes and cofactors, such as NAD, NADP, FAD, coenzyme A, etc. and are essential for many metabolic processes. | |
| 1957. |
Write a note on lipids |
| Answer» Lipids\tLipids are Heterogeneous organic compounds. They contain Carbon, hydrogen, less amount of oxygen, phosphorus, nitrogen, sulphur\tThese are Water insoluble; therefore they form part of membranes that divide water components in the body\tLipids perform the following functions:\tEnergy storage in the form of Oils & fatsStructural roles in Cell membraneMessenger (steroid hormones)Constituents of Plants pigments chlorophyll, carotene etc, Wax, rubber, Vitamins A, E, KFat acts as an insulator that conserves body heat in animalsFat underneath the skin also act as shock absorber\t\t | |
| 1958. |
A patient lying in Coma in hospital is regarded as living or non living? Give comment. |
| Answer» A person lying in comma neither responds to environmental stimuli nor has self-consciousness. He/she is supported by machines to carry out the vital life processes and he/she is brain-dead. Some of these patients never come back to normal life. Such persons can neither be considered as living nor non-living. | |
| 1959. |
pteridophytes |
| Answer» A\xa0pteridophyte\xa0is a vascular plant (with xylem and phloem) that disperses spores. Because\xa0pteridophytes\xa0produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden.\xa0A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails, and lycophytes are all pteridophytes. | |
| 1960. |
What is the importance of classification |
| Answer» Three importance of classification are:\xa0\tIt\xa0helps in the identification of\xa0living organisms as well as in understanding the diversity of living organisms.\xa0\tTo understand and study the features, similarities and differences between different living organisms and how they are grouped under different categories.\xa0\tIt is essential to understand the inter-relationships among the different groups of organisms.\xa0 | |
| 1961. |
On what basis six kingdom classification was given? Who proposed this system |
| Answer» Carl Woese proposed the six- kingdom classification. These six kingdoms are Kingdom Archaebacteria, Kingdom Eubacteria, Kingdom Protista, Kingdom Fungi, Kingdom Plantae, and Kingdom Animalia. Woese found that the six kingdoms naturally cluster into three main categories, based on the sequence of 16s ribosomal RNA genes. He called these categories as domains of life. These domains are Bacteria, Archaea, and Eukarya. He also believed that these domains have originated from common ancestors called Progenote.- Archaebacteria are the oldest known living organisms. They are single- celled and thrive in extremely hot boiling water found in environments- Eubacteria are also single- celled bacterial organisms. Eubacteria are very common and well- known to us as parasites but some bacteria are also commensal and used for the production of many antibiotics or food material.- The Fungi kingdom is recognizable to us like mushrooms, molds, mildews, and yeasts. Fungi are multi- celled organisms. - Protista or Protozoa are single- celled organisms but are more complex than eubacteria. The Protista kingdom includes algae and slime molds.- The Plantae kingdom includes all flowering plants, mosses, and ferns. Plants are multi- celled, complex organisms and are Autotrophic except for a few.- The largest kingdom is the Kingdom of Animalia. There is a wide variety of organisms ranging from sponges to blue whales. | |
| 1962. |
Which is the function unit of voluntary muscle |
| Answer» Skeletal muscle is a voluntary muscle, which means that we can actively control its function. It\'s attached to the bone and forms a distinct organ of muscle tissue, blood vessels, tendons, and nerves that covers our bones and allows\xa0movement.\xa0The\xa0functional unit of a skeletal muscle\xa0fiber is the sarcomere, a highly organized arrangement of the contractile myofilaments actin (thin filament) and myosin (thick filament), along with other support proteins. | |
| 1963. |
Fxn of argin |
| Answer» | |
| 1964. |
What is fate of pyruvic acid when carbon dioxide is absent?? |
| Answer» Pyruvic acid\xa0is first altered in the transition reaction by removal of a\xa0carbon\xa0and two oxygens (which form\xa0carbon dioxide). When the\xa0carbon dioxide\xa0is removed, energy is given off, and NAD+ is converted into the higher energy form NADH. Coenzyme A attaches to the remaining 2-C (acetyl) unit, forming acetyl Co-A.\xa0Pyruvic acid\xa0supplies energy to living cells through the citric\xa0acid\xa0cycle (also known as the Krebs cycle)\xa0when oxygen\xa0is present (aerobic respiration);\xa0when oxygen\xa0is lacking,\xa0it\xa0ferments to produce lactic\xa0acid.\xa0Pyruvate\xa0is an important chemical compound in biochemistry. | |
| 1965. |
Brief description of kingdom animilia... ?? |
| Answer» | |
| 1966. |
Where actually oxygen is utilized during aerobic respiration?? |
| Answer» Cellular respiration\xa0has three main steps: glycolysis, the citric acid cycle, and oxidative phosphorylation, where\xa0oxygen is used. Glycolysis is the first step\xa0in cellular respiration, and it occurs\xa0in\xa0the main compartment of the cell: the cytoplasm.\xa0Oxygen\xa0is the final electron acceptor at the end of the electron transport chain of\xa0aerobic respiration. In the absence of\xa0oxygen, only a few ATP are produced from glucose. | |
| 1967. |
Brief description of kingdom plantae??? |
| Answer» | |
| 1968. |
What is the use of calculating RQ?? |
| Answer» The\xa0respiratory quotient\xa0(or\xa0RQ\xa0or respiratory coefficient), is a dimensionless number\xa0used\xa0in\xa0calculations\xa0of basal metabolic rate (BMR) when estimated from carbon dioxide production. It is\xa0calculated\xa0from the ratio of carbon dioxide produced by the body to oxygen consumed by the body.\xa0The\xa0respiratory quotient\xa0(RQ) measures the ratio of the volume of carbon dioxide (Vc) produced by an organism to the volume of oxygen consumed (Vo). This is represented by the following equation: This quotient is useful because the volumes of CO2\xa0and O2\xa0produced depends on which fuel source is being metabolized. | |
| 1969. |
Describe briefly the difference classes of fungi |
| Answer» Classification of Fungi | |
| 1970. |
which sub group of Kingdom Protista will you find “Pellicle”? |
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Answer» Euglenoids KINGDOM PROTISTA\tAll single-celled eukaryotes are placed under Protista.\tChrysophytes, Dianoflagellates, Euglenoids, Slime moulds and Protozoans are under Protista.\tThe protistan cell body contains a well-defined nucleus and other membrane-bound organelles.\tProtists reproduce asexually and sexually by a process involving cell fusion and zygote formation.\tChryosphytes\xa0have a protein rich layer called\xa0pellicle\xa0which makes their body flexible. |
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| 1971. |
How many species of gymnosperm??? |
| Answer» GYMNOSPERMS\tThe gymnosperms are plants in which the ovules are not enclosed by any ovary wall and remain exposed.\tThe giant redwood tree\xa0Sequoia\xa0is one of the tallest tree species belongs to gymnosperms.\tThe roots are generally tap roots, in some genera have fungal association in the form of mycorrhiza (Eg.,Pinus), while in some others (Eg.Cycas) small specialized roots called\xa0coralloid roots\xa0are associated with N2- fixing cyanobacteria.\tThe stems are unbranched (Eg.,Cycas) or branched (Eg.,Pinus).\tThe leaves may be simple or compound, such as pinnate leaves in Cycas and needle-like leaves in conifers.\tThe gymnosperms are heterosporous, haploid microspores and megaspores are produced within sporangia on sporophylls which are arranged spirally along an axis to form compact strobili or cones.\tThe strobili bearing microsporophylls and microsporangia are called\xa0microsporangiate or male strobili.\tThe microspores develop into a male gametophyte which is highly reduced called as a pollen grain.\tThe cones bearing megasporophylls with ovules or megasporangia are called\xa0macrosporangiate or female strobili. | |
| 1972. |
How does biotech helpful for hummanity |
| Answer» In the field of medicines, Biotechnology is widely used in the development of several innovative techniques for diagnosing, treating and preventing diseases. It helps in providing effective treatments and\xa0prevention measures for different disease by its inventions of novel drugs and recombinant vaccines.The Therapeutic proteins have a greater effect against a variety of non-communicable diseases, which was responsible for over 50-60% of deaths in developing countries.With the help of modern biotechnology, many diagnostic tools have been introduced for the detection of diseases in a quick and accurate manner. | |
| 1973. |
document.write("abcd") |
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Answer» yeah I know v. well....but it\'s also lyrics of a song....maybe u wouldn\'t have listened ...lol Well this is alphabets not lyrics And I was completing this song??? I was testing javascript? efghi.....jklm.....nopqrstuvwx.....yz.....?????? |
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| 1974. |
Suggest four ways in which knowledge of home science can be helpful in self- employment |
| Answer» After completing graduation in Home science one can go for courses like Masters in Home science, Masters course in Fashion Designing / Textile Designing, Dietetics, Counselling, Teaching, Social Work, Development Studies, Entrepreneurship, Mass Communication, Catering Technology etc. | |
| 1975. |
What are the scops of Biology |
| Answer» Biology creates an awareness of vast array of forms of life which normally goes unseen. Biology offers a large scope and provides a large field for study.(1)\xa0Helps us to understand ourselves better :\xa0It unfolds different queries of life alongwith its cultural, social, philosophical and economical aspects. So it helps in understanding the life better.(2)\xa0Biology and inter-relationship of living beings :\xa0Study of biology helps us in understanding the wonderful phenomenon and laws of nature which finally tell us to predict the behaviour of different living beings under changed conditions.(3)\xa0Biology and resources :\xa0Biology helps us to know how to tap and conserve the resources available to us\xa0e.g.\xa0fishes, birds, forests etc.(4)\xa0Biology and literature :\xa0Knowledge of Natural Biology has greatly enriched the literature with their references in stories and poems etc. Poets and other authors have been inspired by the beautiful and interesting plants and animals and frequently figure them in stories, poems and dramas.(5)\xa0Study of nature is a rewarding experience :\xa0Many plants like\xa0Narcissus, Dahlia, Gloriosa,\xa0Roses, Marigold, Aster, etc. are used for ornamental purposes. The variety available in animals is widely enjoyed in zoological parks. Students enjoy excursions to remote places watching never seen before plants and animals.(6)\xa0Solving problems :\xa0Biology makes us to understand the present day problems such as population growth, pollution, conservation of wildlife and survival of man etc. The future directions of biotechnology, conservation of biodiversity, maintenance of environment and human welfare remain in the hands of biologists.(7)\xa0Biology-Medicinal aspect :\xa0Several plants like\xa0Atropa belladona, Cinchona\xa0are sources of atropine, quinine etc. Many members of fungi such as\xa0Penicillium\xa0and\xa0Streptomyces\xa0give rise to antibiotics like penicillin and streptomycin. Plants are the major source of vitamins. Drugs are first tested on animals before being used for treating man. Animals provide scientific hints for the production and use of medicines. Animals are widely used for scientific research and results thus obtained are finally applied to man. The study of animal play an important role in health, nutrition and control of pests. Many diseases like malaria are caused and transmitted by animals.(8)\xa0Solving approach of biology :\xa0Knowledge for eradication of diseases like malaria, small pox, etc. have been achieved by scientists basically due to desire and determination to solve the problem.(9)\xa0Ecosystem and living organisms :\xa0Biology helps us in understanding the various ecosystems. The living community and non-living environment interact with each other and exchange of material in them takes place.(10)\xa0Biotechnology :\xa0Biotechnologists have produced many genetically modified (GM) crops. Plenty of studies are being made by geneticists, evolutionists and cytologists to fudge the efficacy of biotechnology. | |
| 1976. |
What is nutroplasm |
| Answer» the cytosol of a nerve cell as distinguished from the neurofibrils. | |
| 1977. |
Blood is a type of |
| Answer» Connective tissue | |
| 1978. |
Potato is a stem and sweet potato is a root. Justify the statement on the basis of external features |
| Answer» Potato is a stem and sweet potato is a root because\xa0the stem of the potato has undergone modifications in order to store food\xa0whereas in a sweet potato the root has undergone modifications in order to store the food.In certain\xa0plants, the roots, stem, and leaves undergo modifications to store food in order\xa0to use under unfavourable conditions.The modified stems are usually called as\xa0‘tubers’\xa0and the modified roots are usually called as\xa0tuberous roots or storage roots. | |
| 1979. |
Matochondari kay type |
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Answer» App ko name batana hi 3 hay |
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| 1980. |
Characteristic of phycomycetes |
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Answer» Haa sab badhiya....kirpa hai apki...badhiya hi hoga? Haa bolo tum kuch puch rahi thi....I mean everything is ok naa |
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| 1981. |
What is zoospores |
| Answer» Tum samajh gaye ho abhi abhi....and now close the topic? | |
| 1982. |
What do you mean by morphology |
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Answer» Morphology :- Study of external features of an organism. Morphology is the branch of biological science deals with the study of organism structure... Morphology is the branch of biological science that deals with the study of form, size, colour, structure and relative position of various parts of organisms.Importance of morphology-\tKnowledge of morphology is essential for recognition or identification of plants.\tIt gives information about the range of variations found in species.\tDeficiency and toxicity symptoms are morphological changes that occur in response to shortage or excess of minerals. |
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| 1983. |
What is meant by monocotlyden and dicotlyden with diagram |
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Answer» \t |
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| 1984. |
helo everyone |
| Answer» Hlo | |
| 1985. |
Y some molluscs have torsion..?? |
| Answer» | |
| 1986. |
Please tell me the best YouTube channel for biology ???? |
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Answer» Shiksha house is the best Neela Bachore |
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| 1987. |
What are vermicompositing? |
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Answer» Thanks the use of earthworms to convert organic waste into fertilizer. The term vermiculture mainly refers to the scientific process of cultivating worm or artificial rearing of worms to decompose organic food wastes\xa0into a nutrient-rich material.\xa0The output of vermiculture is called vermicompost and is formed by the process in which earthworms consume the farmyard manure and roughages in\xa0addition to the wastes from farms and thereby producing it. The produced\xa0vermicompost is rich in terms of nutrients and other plant growth-promoting substances, which is capable of supplying necessary\xa0mineral nutrients\xa0to help and sustain plants growth. |
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| 1988. |
Koi chapter 6 smja do bio ka ????? |
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Answer» Kkrh Good Mast tum batao Hmm hii hru U tube pe dekh lo |
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| 1989. |
What is a key? |
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Answer» Key\xa0is a taxonomical aid that helps in identification of plant and animal species. These\xa0keys are\xa0based on similarities and dissimilarities in characters, generally in a pair called couplet. ... It is also useful in identification of unknown organisms.\xa0Keys are\xa0of two types- indented and bracketed\xa0keys. |
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| 1990. |
Distinguish between bony fish and cartilaginous fish |
| Answer» \t\xa0CARTILAGINOUS FISHES\xa0BONY FISHES\xa01) Their endoskeleton is primarily made of cartilage.1) Their endoskeleton is entirely made of bone.\xa0\xa02) Their exoskeleton is made of placoids.2) Their\xa0exoskeleton is made up of cycloids or thin bony plates.\xa0\xa03) The position of their tail is heterocercal.3)\xa0Their tail fin is homocercal.\xa04) They have 5 gills that are overly exposed (no operculum).4) They have an operculum on either side of their gills.5) In them the fertilization is through internal mechanisms.5)\xa0They fertilize their eggs externally.\xa0\xa06) Eg-\xa0dog fish, electric ray torpedo and sharks.6) Eg- fying fish, globe fish and sea horses.\t | |
| 1991. |
What is haemo lymph ? How does it differ from blood ? |
| Answer» \tLymphBloodDefinitionIt is a colourless fluid.It is a reddish coloured fluid.Process occurs inIt is part of the lymphatic systemIt is part of the circulatory systemFunctionsIt helps in body defence and is a part of the immune system.It is involved in the circulation of nutrients, hormones, oxygen and carbon dioxide, wastes and other toxins.Comprised ofIt contains plasma and a lesser number of WBCs and platelets.It contains plasma, RBCs, WBCs, and platelets.Oxygen levelCarries less oxygen and digested food.Carries more oxygen and digested food.\t | |
| 1992. |
Gamete formation and fusion are absent in bacteria. How do then bacteria undergo sexualreproduction? |
| Answer» A n s w e r :By the process of ConjugationExplanation:It occurs by conjugation. It involves transfer of genetic material from one bacterium to another through cell to cell contact. | |
| 1993. |
Is other taxonomical aids important? |
| Answer» The\xa0taxonomic aids\xa0are the\xa0aids\xa0which help in identification, classification and naming of a newly discovered organisms (plant or animal). It could be in the form of preserved document like herbaria or specimen kept at museums or scientific institutions.\xa0Taxonomical aids\xa0are Techniques, Procedures and Stored information that are helpful in identification and classification of organisms. Herbarium, Botanical gardens, Museum, Zoological parks and Key are examples of\xa0Taxonomical Aids. | |
| 1994. |
Snake of plant kingdom???? |
| Answer» Pteridophytes | |
| 1995. |
What is mesosome? |
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Answer» Invagination means???? Mesosome is a convoluted membranous structure formed in a prokaryotic cell by the invagination of the plasma membrane. Its functions are as follows:(1)\xa0These extensions help in the synthesis of the cell wall and replication of DNA. They also help in the equal distribution of chromosomes into the daughter cells.(2)\xa0It also increases the surface area of the plasma membrane to carry out various enzymatic activities.(3)\xa0It helps in secretion processes as well as in bacterial respiration. |
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| 1996. |
What is the basis of classification of algae |
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Answer» Red algae, green algae and brown algae... The presence or absence of pigments is the main\xa0basis of classification of algae. Chlorophyceae: Chlorophyll a and b are present in them and impart green colour. Chlorophyceae are also called \'blue-green\xa0algae\'. Phaeophyceae: Chlorophyll a and c and fuxoxanthin are present. what is the answer |
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| 1997. |
Explain different types of junction...? ? |
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Answer» Piku ???it\'s u Gap junctions Tight bjunctionsAdhereing junctions |
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| 1998. |
Enumerate prophase -I of meiosis with labelled diagrams |
| Answer» Prophase\xa0is the first phase of\xa0mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During\xa0prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.\xa0During prophase\xa0I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.\xa0During\xa0prometaphase I, microtubules attach\xa0at the\xa0chromosomes\' kinetochores and the nuclear envelope breaks down. | |
| 1999. |
Describe the prophase of meiosis |
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Answer» |
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| 2000. |
Enlist the significance of meiosis |
| Answer» \tMeiosis is responsible for the formation of *** cells or gametes that are responsible for sexual reproduction.\tIt activates the genetic information for the development of *** cells and deactivates the sporophytic information.\tIt maintains the constant number of\xa0chromosomes\xa0by halving the same. This is important because the chromosome number doubles after fertilization.\tIn this process independent assortment of maternal and paternal chromosomes takes place. Thus the chromosomes and the traits controlled by them are reshuffled.\tThe genetic mutation occurs due to irregularities in cell division by meiosis. The mutations that are beneficial are carried on by natural selection.\tCrossing over produces a new combination of traits and variations. | |