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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.
| 5701. |
Syllabus for periodic first |
| Answer» | |
| 5702. |
Explain Kreb\'s cycle? |
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Answer» Have you read chp-21 It takes place after glycolisis. After Krebs cycle, there is the formation 38 ATP |
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| 5703. |
Explain the ultra-structure of nucleus |
| Answer» The nucleus is a large, centrally located spherical cellular component. It is bounded by two nuclear membranes, both forming a nuclear envelope. The nuclear envelope separates the nucleus from the cytoplasm. Within nucleoplasm two types of nuclear structures are embedded – the nucleolus and chromatin material. The nucleolus may be one or more in number and is not bounded by any membrane. It is rich in protein and RNA molecules and acts as the site for ribosome formation.The nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. Chromosomes contain information for inheritance of features from parents to next generation in the form of DNA (Deoxyribo Nucleic Acid) molecules. Chromosomes are composed of DNA and protein. DNA molecules contain the information necessary for constructing and organising cells. Functional segments of DNA are called genes. Thus, genes are the functional units of chromosomes which transmit the heredity information from parents to offsprings. These are located on chromosomes. | |
| 5704. |
Iargest phylum |
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Answer» Arthropoda ! Arthropoda Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. |
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| 5705. |
Why biology is useful |
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Answer» It is a evidence of presence of life on earth and help us to classify the organization. It help us to know each and every function which is occurring continuesly in our body, in plants body and in animal . biology deals with the daily routine which we follow in our day to day life To know about human body, animal body, and plants..you need to study biology ! |
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| 5706. |
What are the basis of classification in animal kingdom? |
| Answer» In animal kingdom the main classification consists cell division, reproduction, and different levels of organization like :cellular level of organization, tissue level organization, organ system level organization. | |
| 5707. |
10 helpful bacteria |
| Answer» 6 types of lactobacillus3 types of bifidobacterium and Streptocoecus thermophilus | |
| 5708. |
Is turnip is example for conical or aexample for tuberous |
| Answer» Actually , it is none of any. The correct answer is napiform roots . Nepiform means swollen at upper end and lower end with a thred like structure . | |
| 5709. |
Some topics may be leave this year please tell me of all chapter |
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Answer» Check out the syllabus you will see there are many topics that are removed You are wrong Sia No topics are removed from the Biology Syllabus. |
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| 5710. |
Define plasmogamy |
| Answer» Fusion of protoplasm between two motile and non motile gametes is called plasmogamy | |
| 5711. |
Rhizopus defination |
| Answer» Rhizopus, cosmopolitan genus of some 10 species of filamentous fungi in the family Rhizopodaceae (formerly Mucoraceae), in the order Mucorales. Several species, including Rhizopus stolonifer (the common bread mold), have industrial importance, and a number are responsible for diseases in plants and animals.The majority of Rhizopus species are saprobic (decomposers) and feed on a variety of dead organic matter, though some species are parasitic or pathogenic. | |
| 5712. |
What is fibrous tissue? |
| Answer» Tissue composed of bundles of collagenous white fibers between which are rows of connective tissue cells; the tendons, ligaments, aponeuroses, and some membranes, such as the dura matter is called as fibrous tissue | |
| 5713. |
State two economically important uses of heterophic bacteria and archebacteria |
| Answer» (a) Heterotrophic bacteria(1) Many bacteria like Lactobacillus helps in the production of curd from milk.(2) They act as decomposers and help in the formation of humus e.g. Pseudomonas.(3) Many antibiotics are obtained from some species of bacteria like streptomyces, Bacillus etc.(4) Many soil bacteria help in fixation of atmospheric nitrogen like Rhizobium (Symbiotic), Azotobacter (Free living).(b) Archaebacteria(1) Methane gas is produced from the dung of ruminants by the methanogens.(2) Methanogens are also involved in the formation of biogas and sewage treatment. | |
| 5714. |
Investigatory project of cockroach |
| Answer» Sorry to say you might take help from our assistantThat is ok google?? | |
| 5715. |
Write a note on embryonal layers and name the organisms on the basis of that |
| Answer» Embryonic development, also\xa0embryogenesis, is the process by which the\xa0embryo\xa0forms and develops. In mammals, the term refers chiefly to early stages of\xa0prenatal development, whereas the terms\xa0fetus\xa0and\xa0fetal development\xa0describe later stages.Embryonic development starts with the\xa0fertilization\xa0of the\xa0egg cell\xa0(ovum) by a\xa0sperm\xa0cell, (spermatozoon). Once fertilized, the ovum is referred to as a\xa0zygote, a single\xa0diploid\xa0cell. The zygote undergoes\xa0mitotic\xa0divisions\xa0with no significant growth (a process known as\xa0cleavage) and\xa0cellular differentiation, leading to the development of a multicellular embryo.Although embryogenesis occurs in both\xa0animal\xa0and\xa0plant development, this article addresses the common features among different animals, with some emphasis on the embryonic development of\xa0vertebrates\xa0and\xa0mammals. | |
| 5716. |
What is bacterio paheopytin |
| Answer» A\xa0bacteriophage\xa0is a type of virus that infects bacteria. In fact, the word "bacteriophage" literally means "bacteria eater," because\xa0bacteriophages\xa0destroy their host cells.\xa0Bacteriophages\xa0kill bacteria by making them burst or lyse. This happens when the virus binds to the bacteria. A virus infects the bacteria by injecting its genes (DNA or RNA). The\xa0phage\xa0virus copies itself (reproduces) inside the bacteria. | |
| 5717. |
What is gelatinous sheath? |
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Answer» Colonies of cytoplasm have geletenious covering Gelatinous sheath is a covering found, generally around the cells in colonies of cyanobacteria. It holds the cells in colonies together. Gelatinous sheath is a covering found, generally around the cells in colonies of cyanobacteria. |
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| 5718. |
How cynobacteria form blooms in polluted water bodies ? |
| Answer» Cyanobacteria blooms form when cyanobacteria, which are normally found in the water, start to multiply very quickly. Blooms can form in warm, slow-moving waters that are rich in nutrients from sources such as fertilizer runoff or septic tank overflows. Cyanobacteria blooms need nutrients to survive. | |
| 5719. |
Do ribosomes contain a envelope |
| Answer» No | |
| 5720. |
Biology notes |
| Answer» Prefer the previous section of this app | |
| 5721. |
Explai family in living world |
| Answer» Closely or group of related genus Eg-solanym, pentunia and Datura are placed in the family solanaceae | |
| 5722. |
Is any one from nagpur,MH |
| Answer» It is not to chat | |
| 5723. |
Give two examples of kranz anatomy |
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Answer» Then what\'s the example When large bundle sheath cells surround the vascular bundle, the leaf is said to have Kranz anatomy.Bundle sheath cells are specific to C4 plants and are characterised by having a large number of chloroplasts, thick walls impervious to gaseous exchange and no intercellular spaces. |
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| 5724. |
What different criteria would you choose to classify people that you meet often |
| Answer» In our day to day life we categorize people based on following criteria:(1) Level of education.(2) Profession(3) Height and skin colour(4) Native place(5) ***(6) Hobbies(7) Nature | |
| 5725. |
Why lichen is not placed in 5 kingdom |
| Answer» Lichen do not find place in five kingdoms of classification b\'coz they are considered as a connecting link b/w living and non living things..They are neither living nor non living...So they r not in any kingdom.\xa0 | |
| 5726. |
Why living things live in different habitats |
| Answer» Otganism rlare divided into 2 grups maunly warm blooded and cold blooded.the former cabnot easily adapt itself to a new niche or a bew olace but the later can adapt.so it depends upon the organ8sm to organism | |
| 5727. |
4 homopolymer and monosaccharides present in them? |
| Answer» Cellulos,starch,glycogen contain glucose.Inulin is a homopolymer of fructose. | |
| 5728. |
describe salient features of bryophytes |
| Answer» They r the ambphibians of plant kingdom.They are useful in weathering.They require water for fertilization as the sores are non motile. | |
| 5729. |
Why are classification system changing now and them |
| Answer» In any branch of science nothing is written in concrete. Theories keep on changing as more relevant and correct theories are being discovered. In case of living beings certain species become extinct and some new species is being formed in every era. This process of addition and deletion of species necessitates the continuous change of the classification system. | |
| 5730. |
What is meant by bionomial nomenclature? |
| Answer» A standard and widely accepted system of naming plants and animals is the binomial nomenclature. It involves the naming an organism with the help of two names, the genus name, and the specific name. Example – Mangifera indica is the scientific name of mango plant. | |
| 5731. |
Describe the hormonal feedback circuits in controlling renal finctions |
| Answer» Regulation of kidney function involves feedback circuits.There are 3 main feedback systems that regulate the kidney functions.\xa01. Control by JGA:JGA operates multihormonal Renin-angiotensin-aldosterone system (RAAS). The JGA responds to a decrease in blood pressure or blood volume in the afferent arteriole of the glomerulus and releases an enzyme, renin, into the\xa0bloodstream. In the blood, renin initiates chemical reactions that convert a plasma protein called angiotensinogen to a peptide called angiotensin\xa0I. This is converted to angiotensin\xa0II\xa0in lungs by angiotensin converting enzyme. Angiotensin\xa0II\xa0acts on adrenal gland and results in the release of aldosterone from the adrenal gland. Aldosterone increases blood pressure and increases blood flow to the glomerulus. It acts on DCT and collecting duct and increases reabsorption of Na+.\xa02. Control by ADH:ADH is released from pituitary gland when osmolarity of blood is increased. It acts on DCT and collecting duct and helps in reabsorption of water.\xa03. Control by ANFAtrial Natriuretic Peptides (ANF) opposes the regulation by RAAS. ANF inhibits the release of renin from the JGA and\xa0thereby\xa0inhibits\xa0NaCl\xa0reabsorption by collecting duct and reduces aldosterone release from the\xa0adrenal gland.\xa0 | |
| 5732. |
Water soluble vitamins table |
| Answer» The\xa0Water-Soluble Vitamins: C and B Complex.\xa0Vitamins\xa0are often categorized based on their\xa0solubility. Most of them dissolve in\xa0water\xa0and are called\xa0water-soluble vitamins. Any excess of\xa0water-soluble vitamins, like the\xa0Vitamin\xa0B complex or\xa0Vitamin\xa0C, are excreted through the urination process. Many B\xa0vitamins\xa0and\xa0Vitamin\xa0C can be found in vegetables (like leafy greens and other green vegetables) and fruits (like citrus fruits).Water-soluble vitamins are:\tThiamin (Vitamin B1)\tRiboflavin (Vitamin B2)\tNiacin (Vitamin B3)\tPantothenic Acid.\tVitamin B6.\tFolic Acid.\tVitamin B12. | |
| 5733. |
Explain Taxonomical key |
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Answer» Refers to a set of alternate characters in a manner that helps in the identification of plants and animals by selecting and eliminating the characters acc. to their presence or absence in the organism under study Taxonomical ki is a document in the form of couplet which is based on the contrasting characters of two organisms each statement and the taxonomical ki is called lead it is helpful to scientists In classifying organisms |
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| 5734. |
What is alteeation of generation |
| Answer» Sexual gametophyte stage is alternated asexual sporophyte stage | |
| 5735. |
Animals tissue |
| Answer» On the basis of their functions, animal tissues are classified into four major types – epithelial tissues, muscular tissues, connective tissues and nervous tissue.\xa0\tEpithelial Tissue: It is the simplest tissue and protective in nature. The cells of this tissue are tightly packed and they form a continuous sheet. They contain a very little or no intercellular space. It covers most organs and cavities within the body. The skin, the lining of the mouth, the lining of blood vessels, lung alveoli and kidney tubules are all made of epithelial tissue. Anything entering or leaving the body crosses at least one layer of epithelium. As a result, the permeability of the cells of various epithelia plays an important role in regulating the exchange of materials between the body and the external environment and also between different parts of the body. All the epithelium is usually separated from the underlying tissue by an extracellular fibrous basement membrane.ii. Connective Tissue: Connective tissue is the binding and supporting tissue of the animal body. Matrix forms the main bulk of this tissue. The cells are loosely spaced and less in number. The matrix may be jelly like, fluid, dense or rigid. The nature of matrix differs in concordance with the function of the particular connective tissue. | |
| 5736. |
Higher plant are eukaryotic or prokaryotic??? |
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Answer» The cells of all plants, animals and fungi are eukaryotes. Eukaryotes |
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| 5737. |
Name five kingdom |
| Answer» these are monera , Protista , Fungi , Plantae , Animelia . | |
| 5738. |
What is meant by hepatopancreatic amylase |
| Answer» The ampulla of Vater, also known as the hepatopancreatic ampulla or the hepatopancreatic duct, is formed by the union of the pancreatic duct and the common bile duct. The ampulla is specifically located at the major duodenal papilla.The ampulla of Vater is an important landmark halfway along the second part of the duodenum that marks the anatomical transition from foregut to midgut, and hence the point where the celiac trunk stops supplying the gut and the superior mesenteric artery takes over. | |
| 5739. |
Why sunflower is not s flower |
| Answer» Sunflower is not a flower due to the fact because its ray florets lack either of the male and female gametes , Stamens and Pistils.Therefore , its a neuter flower and has lost its ability to perform sexual reproduction.But in reality the real flower is the brown patches present on the inner sides. | |
| 5740. |
Reasons of identification for family Apocynaceae |
| Answer» Apocynaceae (from Apocynum, Greek for "dog-away") is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family,\xa0because some taxa were used as dog poison.[2] Members of the family are native to the European, Asian, African, Australian, and American tropics or subtropics, with some temperate members.\xa0The former family Asclepiadaceae (now known as Asclepiadoideae) is considered a subfamily of Apocynaceae and contains 348 genera.\xa0 | |
| 5741. |
What are the main function of ascomycetes of chapter 2 |
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Answer» Yes right answer As we know it\'s e.g. neurospara which is use in genetic work nd biochemical So it is also a functionIt is both endo nd exogenously They are employed in the production of many other important organic acids......They also help in producing antibiotic drugs such as penicillin....... |
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| 5742. |
What is archaebacteria ? |
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Answer» Archaebacteria are the ancient bacteria that can survive in most extreme condition as they have a different cell wall structure compared to the bacteria which enable them to survive in most harsh condition like very high temperature , highly acidified areas and marshy areas Archaebacteria is a example of kingdom monera these bacteria are special since they live in some of the most harsh such as salty area and marshy area archeabacteria is differ from other bacteeia in having a different cell wall structure and this feature is responsible for their survive in extreme condition they are ruminant animal and they are responsible for production of methane |
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| 5743. |
What are the basis of modern taxonomy? |
| Answer» Taxonomy\xa0is the practice of identifying different organisms, classifying them into categories, and naming them. All organisms, both living and extinct, are classified into distinct groups with other similar organisms and given a scientific name. The classification of organisms has various hierarchical categories.\xa0Taxonomy\xa0based on the four aspects, namely Characterisation, Identification, Nomenclature, Classification. | |
| 5744. |
(Pl.: Taxa ) mineaning of this word |
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Answer» Taxa is unit of classification. the different categories of classification |
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| 5745. |
mcq questions from animal kingdom |
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Answer» Download (topper the learning app) this app gives a lot of mcq for preperation What is Biology |
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| 5746. |
What is meant by gametophyte? |
| Answer» A gametophyte is one of the two alternating phases in the life cycle of plants and algae. It is a haploid multicellular organism that develops from a haploid spore that has one set of chromosomes. The gametophyte is the sexual phase in the life cycle of plants and algae. | |
| 5747. |
What is hydrouteroneprosis |
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Answer» Hydronephrosis\xa0is a condition that typically occurs when a kidney swells due to urine failing to properly drain from the kidney to the bladder.\xa0 How treated |
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| 5748. |
Give some inportant points on Chrysophytes~Kingdom Protista. |
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Answer» Yaad hai Rohit Yaad hu tumhe ya bhul gyi Hlooo aditi Read ncert by heart Sis, so u can read it from book... It is enough for class 11th.... ? Abhunay i want in detail ... Chrysophytes diatoms and blue green algae diatoms cell wall forms soap box like structure in which one membrane is called upon the other |
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| 5749. |
What are the sailent features of living organism |
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Answer» Cellular organization, consciousness, metabolism Characteristics of Living things\tLiving things are made up of a cell or cells.\tThey obtain and use energy to survive.\tA unique ability to reproduce, ability to grow, ability to metabolize, ability to respond to stimuli, ability to adapt to the environment, ability to move and last but not the least an ability to respire. |
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| 5750. |
Explain structure and function of human circulatory system |
| Answer» The heart is roughly triangular in shape. It has four compartments called chambers inside it. The upper two chambers of the heart are called atria and the lower two chambers are called ventricles. The atria receive blood from the two main veins. The left atrium is connected to the left ventricle through a valve V1 and the right atrium is connected to the right ventricle through another valve V2. These valves prevent the backflow of blood into atria when the ventricles contract to pump blood out of the heart to the rest of the body because when the ventricles contract, the valves V1 and V2 close automatically so that the blood may not go back into the atria. The job of heart is to pump blood around our body. All the atria and ventricles of the heart contract and relax at appropriate times and make the heart behave like a pump. A sheath of tissue called pericardium protects the muscular heart.Working of Human blood circulatory system takes place in the steps below:(i) When the muscles of all the four chambers are relaxed, the pulmonary vein brings the oxygenated blood from the lungs in the left atrium of the heart.(ii) When the left atrium contracts, the oxygenated blood is pushed into the left ventricle through valve V1.(iii) When the left ventricle contracts, the oxygenated blood enters the main artery called aorta from which it goes to the different body organs through small branches called arterioles and capillaries.(iv) The main artery carries the blood to all the organs of the body head, arms etc except the lungs. The oxygenated blood gives off oxygen, digested food and dissolved materials to the body cells. The carbon dioxide produced in the cells enters the blood. The deoxygenated blood enters main vein called vena cava which carried it to the right atrium of the heart.(v) When the right atrium contracts, the deoxygenated blood enters right ventricle through valve V2.(vi) When the right ventricle contracts, the deoxygenated blood enters the lungs through pulmonary artery and releases carbon dioxide and absorbs fresh oxygen from air. The blood becomes oxygenated again and is sent to the left atrium of heart by pulmonary vein for circulation in the body. This whole process is repeated continuously. | |