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8101.

Question : What is called a cell ? Explain about it in short.

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Solution :Cell is a structural and functional unit of living organism.
Various activities shown by living organisms, biochemical processes of cells in their body structure depend on structure, type and number of cells. So cell is a fundamental basic unit of living organism.
The life of all living organisms begin from a unicellular body Zygote. NEW cells are FORMED by repeated divisions of zygote.
Cells formed this way get differentiated and form tissue, organ, organ system and body of the organism.
Totipotency: Totipotency is the ability of a single cell to divide and produce all of the differentiated cells in an organism.
Cellular Research / Study :
Anton Von Leeuwenhoek first saw and described a live cell.
Robert Hook (1665) OBSERVED thin slice of oak bark under observation. He saw clear boxes TYPES structure, cell word was used for it.
Robert Brown (1831) Robert Brown discovered nucleus, The invention of the microscope and its improvement LEADING to the electron microscope revealed all the structural details of the cell.
Discussion
8102.

Question : What is " bundle cap " or " hard bast"?

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SOLUTION :In the stem of sunflower (Helianthus), a few layers of SCLERENCHYMA cell occur in patches OUTSIDE the phloem in each vascular bundle. This PATCH of sclerenchyma cell is called Bundle cap or HARDBAST.
Discussion
8103.

Question : Whatis bronchial intercom?

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Solution :It is a networkpresent INSIDE the lung and is FORMED by the division and redivision of PRIMARY bronchus.
Discussion
8104.

Question : What is border parenchyma ?

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Solution :In dicot leaf, VASCULAR bundles are surrounded by a compact LAYER of parenchymatous cells called BUNDLE SHEATH or BORDER parenchyma.
Discussion
8105.

Question : What is bleeding in plants?

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Solution :BLEEDING is the EXUDATION of sap from the INJURED parts of a plant.
Discussion
8106.

Question : What is the peculiarity of "biradially symmetrical"?

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Solution :The symmetry in which the ANIMALS have TWO planes of symmetry, longitudinal and sagittal AXIS and longitudinal and TRANSVERSE axis is biradial symmetry. e.g. Ctenophores.
Discussion
8107.

Question :What is bioluminescence?

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SOLUTION :It is the EMISSION of LIGHT by LIVING BEINGS e.g. Peridinium
Discussion
8108.

Question : What is bioluminescence?

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SOLUTION :Bioiuminesceneis theproductionand emissionof lightby a LIVINGORGANISM. Bioluminescenceis RARE in TRUE PLANTS.
Discussion
8109.

Question : What is biological species?

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SOLUTION :According to ERNEST MAYR 1963," these are groups of populations that interbreed and are REPRODUCTIVELY isolated from other such groups in NATURE" .
Discussion
8110.

Question : What is Biodiversity?

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SOLUTION :The PRESENCE of a LARGE number ol SPECIES in a particular ecosystem is CALLED biodiversity.
Discussion
8111.

Question : What is Binomial Nomenclature?

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Solution :The SYSTEM of naming the organism with TWO names, GENERIC NAME and specific (species) name is known as binomial system of nomenclature. E.g. Pavo cristatus-Indian PEA fowl.
Discussion
8112.

Question : What is bilateral symmetry?

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Solution :The symmetry in which the ANIMALS have two similar HALVES on EITHER SIDE of the central place is bilateral symmetry. e.g. Flatworms and annelids.
Discussion
8113.

Question : What is biradial symmetry?

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Solution :The symmetry in which the animals have to similar HALVES on either SIDE of the CENTRAL place in bilateral symmetry . EG. Flatworms, annelids.
Discussion
8114.

Question : What is Bee veil?

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Solution :. Bee veil is a device made of FINE NETTINGS to PROTECT the bee-keeper from bee STING.
Discussion
8115.

Question : What is bee wax and where issecreted?

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Solution :1. Bee wax is secreted by the abdomen of the worker bees at the age of two weeks.
2. The waxis masticated and mixed WITHTHE secretions of the cephalic glands to convert it into a plastic resinous SUBSTANCE.
3. The resinous chemical substance present in the wax is CALLED propolis.
Discussion
8116.

Question : What is basidiocarp?

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SOLUTION : It is FRUCTIFICATION of basidiomycetes, it bears basidiospores exogenously on BASIDIA.
Discussion
8117.

Question : What is bacteriophage?

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SOLUTION :VIRUS which INFECTS BACTERIAL CELLS.
Discussion
8118.

Question :What is axolemma?

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SOLUTION :The PLASMA membrane COVERING the axon is the axolemma.
Discussion
8119.

Question : Whatis average rateof respirationin a normal adult man ?

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SOLUTION :12 TIMES / MINUTE.
Discussion
8120.

Question :What is autogamy?

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SOLUTION :In AUTOGAMY, the male and female gametesproduced by the same unicell fuse to FORM a diploid zygote.
Discussion
8121.

Question : What is autumn wood called as?

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SOLUTION :LATE WOOD.
Discussion
8122.

Question : What is author citation?

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SOLUTION :AUTHOR citation refers to VALID name of the taxa accompanied by the author's name who PUBLISHED the name validly. EXAMPLE: Solanum nigrum L.
Discussion
8123.

Question : What is atropine?

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Solution :Atropine is a powerful alkaloid OBTAINED from ATROPA belladonna root is used in belladonna plasters, tinctures etc, for RELIEVING PAIN and also for dilating pupils of EYES for eye-testing.
Discussion
8124.

Question : What is asexual spores ?

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SOLUTION :Autospores are asexual spores which LOOK SIMILAR to PARENT cell. Eg: CHLORELLA
Discussion
8125.

Question :What is ascocarp?

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Solution :ASCOCARP is a FRUCTIFICATION which form ascospores in asci in MEMBERS of ascomycetes of FUNGI.
Discussion
8126.

Question : What is artificial selection?

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Solution :Artificial selection is a byproduct of HUMAN EXPLOITATION of forests, oceans and fisheries or the use of pesticides, herbicides or DRUGS. For hundereds of years human have selected various types of dogs, all of which are variants of the SINGLE species of dog.
Discussion
8127.

Question : What is Artificial insemination?

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SOLUTION :Artificial insemination
Artificial insemination is a technique in which the SEMEN collected from the MALE is injected to the REPRODUCTIVE tract of the selected FEMALE.
Discussion
8128.

Question : What is Artemia?

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Solution :Artemia is commonly known as the brine shrimp. It is a CRUSTACEAN and lives in high SALINE WATERS because of its high osmoregulatory CAPACITY.
Discussion
8129.

Question : What is aquaponics?

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SOLUTION :Aquaponics is a TECHNIQUE which is a combination of aquaculture (growing FISH) and HYDROPONICS (growing plants in non-soil MEDIA and nutrient-laden water).
Discussion
8130.

Question : What is aquaculture?

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Solution : Aquaculture is a branch of science that deals with the farming of aquatic organisms such as FISH, MOLLUSCS, CRUSTACEANS and aquatic PLANTS.
Discussion
8131.

Question : Define:- Appendicitis

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Solution :It is the INFLAMMATION of the VERMIFORM appendix, leading to severe abdominal pain. The treatment involves the removal of appendix by surgery. If treatment is delayed the appendixmay rupture and results in infection of the abdomen, CALLED peritonitis.
Discussion
8132.

Question : What is APG Classification?

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Solution :1. The most recent classification of flowering plants which based on phylogenctic data was set in the LAST decade of twentieth century.
2. Four versions of Angiosperm PHYLOGENETIC group classification (APG I, APG II, APG III & APG IV) have been published in 1998, 2003, 2009 and 2016 RESPECTIVELY.
3. APG system is an evolving system that might undergo change periodically based on the new sets of data from various disciplines of Botany.
4. It is the currently ACCEPTED system across the world.
5. It is yet to percolate into the Indian botanical curriculum.
Discussion
8133.

Question : What is apiculture?

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Solution : Care and MANAGEMENT of honey BEES on a commercial SCALE for the production of honey is called APICULTURE or BEE keeping.
Discussion
8134.

Question : When does antibiotics resistance develop ?

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Solution :Antibiotic RESISTANCE occurs when bacteria develop the ability to defeat the drug designed to kill or inhibit their GROWTH. Thus they multiply and ANTIBIOTICS cannot light them.
Discussion
8135.

Question : What is another term used for waterpotential earlier?

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SOLUTION :DIFFUSION PRESSURE DEFICIT.
Discussion
8136.

Question : What is another term given for C_(4) cycle?

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SOLUTION :Hatch-Slack PATHWAY.
Discussion
8137.

Question : What is another name of microsporangia?

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SOLUTION :POLLEN in SACS.
Discussion
8138.

Question : What is another name of luteinizing hormone (LH) in male ?

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SOLUTION :INTERSTITIAL CELLS STIMULATING HORMONE.
Discussion
8139.

Question : What is the function of ADH?

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SOLUTION :VASOPRESSIN
Discussion
8140.

Question : What is another name of calyptra?

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SOLUTION :ROOT CAP.
Discussion
8141.

Question : What is another name, given to water culture experiments?

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SOLUTION :HYDROPONICS.
Discussion
8142.

Question : What is another name for early wood?

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SOLUTION :SPRING WOOD.
Discussion
8143.

Question : What is another name for bicuspid valve ?

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SOLUTION :MITRAL VALVE.
Discussion
8144.

Question : What is meant by animal husbandary?

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Solution :Animal husbandry is the practice of breeding and raising livestock CATTLES like cows, buffaloes, and GOATS and birds ETC. that are USEFUL to human beings.
Discussion
8145.

Question : What is anatomy ?

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Solution :We can very easily see the structural similarities and VARIATIONS in the external morphology of the larger living ORGANISM. Similarly, in the INTERNAL strucature, several simialrities as well as differences are FOUND.
Study of internal structure of plants is called anatomy.
Plants have cells as the basic unit. Cells are organised into tissues and in turn the tissues are organised into organs.
Different organs in a plant show differences in their internal structure.
WITHIN angiosperms, the monocots and dicots are also seen to be anatomically different.
Internal structures also show adaptions to diverse enviornments.
Discussion
8146.

Question : What is an osmotically active solution ?

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SOLUTION :A solution which DRAWS WATER into it by osmoiss.
Discussion
8147.

Question : What is anadromous migration?

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Solution :The migration of marine FISHES to FRESH water BODY like RIVERS for spawning is known as anadromous migration.
Discussion
8148.

Question : What is an open vascular bundle?

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SOLUTION :A VASCULAR BUNDLE is OPEN when it has CAMBIUM.
Discussion
8149.

Question : What is an open type of vascular bundle ?

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SOLUTION :The vascular bundle which has CAMBIUM inbetween the XYLEM and phloem is KNOWN as open type.
Discussion
8150.

Question : What is an interphase cell ?

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SOLUTION :A CELL not UNDERGOING diviison.
Discussion