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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.
| 3651. |
Anatomy of cockroach plzzz full theory?? |
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Answer» U can take help of u tube Hey , you can find it in your ncert biology textbook with brief explanation hope it help |
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| 3652. |
Difine redtides |
| Answer» Red tide is a common name for algal blooms, which are large concentrations of aquatic microorganisms, such as protozoans and unicellular algae | |
| 3653. |
Summary reaction of photosynthesis and respiration. |
| Answer» Photosynthesis\xa0makes the glucose that is used in\xa0cellular respiration\xa0to make ATP. The glucose is then turned back into carbon dioxide, which is used in\xa0photosynthesis. While water is broken down to form oxygen during\xa0photosynthesis, in\xa0cellular respiration\xa0oxygen is combined with hydrogen to form water.\xa0The energy from sunlight drives the reaction of carbon dioxide and\xa0water\xa0molecules to produce\xa0sugar\xa0and oxygen, as seen in the chemical equation for photosynthesis. Though the equation looks simple, it is carried out through many complex steps. | |
| 3654. |
How is a herbarium used as a taxonomical air? |
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Answer» Herbarium is a store house of collected plant specimens that are dried pressed and preserved on sheets It is usually a sheet in which plants are firstly pressed and then pasted on herbarium sheet. For instance it is collection of several plants which are pasted on sheet known as herbarium. |
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| 3655. |
What is zwitter ions?? |
| Answer» A zwitterionic compound or zwitterion is a chemical compound with a positive and a negative formal charge on different atoms and a total net charge of zero. In fact, a zwitterion is not an ion, because the compound as a whole is electronically neutral. Zwitterions are sometimes also called inner saltsAmino acids as zwitterionsZwitterions in simple amino acid solutionsAn amino acid has both a basic amine group and an acidic carboxylic acid group. | |
| 3656. |
What is bulliform cells |
| Answer» It is a special type of cell present near the vascular bundle(viens) in leaves.When the plant has adequate water ,the bulliform cells becomes turgid and makes the leaves flaccid.And when the plant lacks water,the bulliform cells shrink and make the leaves to fold inward reducing water loss. | |
| 3657. |
Chapter 16 important questions |
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| 3658. |
Chapter 21all ans |
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| 3659. |
Define zwitterionic bond . Cbse class 11 |
| Answer» “A zwitterion is a molecule that has both positive and negative regions of charge.”In the solid state, amino acids exist as dipolar ions called zwitterions. In discussing whether a substance is zwitterionic or not the pH range in which the information is required must be specified, because a sufficiently alkaline solution will change the zwitterion to an anion, and a sufficiently acid solution will change it to a cation. | |
| 3660. |
What is activation |
| Answer» Activation energy\tThe minimum quantitiy of external energy required for the conversion of reactant into product or to produce an unstable intermediate is called activation energy. It is E \tRate of reaction is inversely proportional to the activation energy.\tTherefore, greater value of activation energy leads to lower rate of reaction and increased influence of temperature change on the rate constant. | |
| 3661. |
Defination of reticulate |
| Answer» When the veins of a leaf show numerous irregular inter-connections giving the appearance of a network, it is called reticulate venation. | |
| 3662. |
What is arthopoda?with diagram. |
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Answer» It is the largest phylum jointed appendage Phylum with joint appendages and it is tha largest phylum Its a phylum of which organisms have jointed appendages It is a phylum. Longest phylum It\'s is a phylum it\'s example is cockroach |
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| 3663. |
Where do integration of rbc occurs? |
| Answer» Erythropoiesis occurs mostly in bone marrow and ends in\xa0blood\xa0stream. Mature\xa0red blood cells\xa0are generated from multipotent hematopoietic stem\xa0cells, through a complex maturation process involving several morphological changes to produce a highly functional specialized\xa0cells.\xa0Red\xa0blood cells, most white\xa0blood cells, and platelets are produced in the bone marrow, the soft fatty tissue inside bone cavities. Two types of white\xa0blood cells, T and B\xa0cells\xa0(lymphocytes), are also produced in the lymph nodes and spleen, and T\xa0cells\xa0are produced and\xa0mature\xa0in the thymus gland. | |
| 3664. |
Why pines are good indicator of air pollution |
| Answer» Because its grow only those place where air is pure | |
| 3665. |
Why pines have pinnate leaves |
| Answer» Pines have needle like leaves.\xa0The\xa0needles\xa0of\xa0pines\xa0are arranged in a spiral about the stem. ... Like the leaves of all higher plants,\xa0pine needles have\xa0special microscopic pores on their surface, called\xa0stomata, which are important for exchange of water vapor, carbon dioxide, and oxygen.\xa0In particular, the outer surface of\xa0pine needles has\xa0a thick waxy layer, called a cuticle, which reduces evaporative water loss. At the microscopic level, the\xa0stomata are\xa0beneath the surface cells, so they\xa0are\xa0often called "sunken stomata." This\xa0stomatal\xa0adaptation reduces evaporative water loss. | |
| 3666. |
About archaebacteria |
| Answer» Archaebacteria are the most primitive bacteria, probably by the first form of life, which evolved in a different line from that of true bacteria. These are adapted to extreme conditions like an oxygeny, pH, salinity and temperature. They differ from true bacteria by cell wall lacks murein, cell membrane with lipids (glycerol isopronyl ether) of branched alipathic chains, smaller size of DNA and base constituents in the RNA. These are of three types- Methanogens (methane producing, cause explosion in coal mines), Halophiles (live in extreme saline conditions, contain purple pigment bacteriorhodopsin for ATP synthesis from sunlight) and Thermophiles or Thermoacidophiles (withstand high temperature and acidity, mostly grow in hot sulphur springs). | |
| 3667. |
Phyllotaxy |
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Answer» The pattern of arrangements of leave s on the stem or branch is called phallotaxy The arrangements of leaves on the stem and breanches is called phyllotaxy |
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| 3668. |
cockroach digestive and reproducting system in easy language |
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| 3669. |
Terminal exam paoer |
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| 3670. |
What are polysepalous |
| Answer» Polysepalous: If sepals are free and not joined together, the calyx is said to be polysepalous. E.g. Rose, Mustard | |
| 3671. |
Yrr monday paper haa abhi aadha syllabus hi hua haa |
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| 3672. |
What is mean by "chyme"? |
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Answer» It is the pulpy acidic fluid which passes from the stomach to the small intestine, consisting of gastric juices and partly digested food. It is the food which we chew into our buccal cavity and also called bolus |
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| 3673. |
Half yearly exam paper |
| Answer» On monday | |
| 3674. |
What is plant kingdom? |
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| 3675. |
Marphigiant tubules |
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| 3676. |
Erythroblastosis foetalis |
| Answer» The antigens of the foetus do not get exposed to the {tex}{{Rh}^{-}}{/tex} blood of the mother in the first pregnancy. However, during the delivery of the first child, there is a possibility of exposure of the maternal blood to small amounts of the {tex}{{Rh}^{+}}{/tex} blood from the foetus. In such cases, the mother starts preparing antibodies against Rh antigen in her blood.In case of her subsequent pregnancies, the Rh antibodies from the mother {tex}({{Rh}^{-}}){/tex} can leak into the blood of the foetus {tex}{{Rh}^{+}}){/tex}. This could cause severe anaemia and jaundice to the baby. This condition is called erythroblastosis foetalis. | |
| 3677. |
Describe various types of epithilial tissues |
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Answer» 2 types Simple and compound Simple are Squamous Cuboidal Columnar Epithilial tissues include in squamous epithilium,cuboidal epithilium and columnar epithilium..? |
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| 3678. |
What is stomata observation table |
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| 3679. |
What is hemoprodhite |
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| 3680. |
What mean by mensuration |
| Answer» Menstruation is the periodic shedding of the lining of a woman\'s uterus. It is one of the phases of the menstrual cycle. The uterine lining breaks down into a bloody substance. It then passes down through the cervix and exits through the ******. The process usually lasts from three to five days. | |
| 3681. |
Name the blue green algae |
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Answer» Blue green algae is called cynobacteria Nostoc and Anabena Blue green algae also called cyanobacteria .eg. Nostoc : A filamentous blue green algae. |
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| 3682. |
Name five botanical garden present in india? |
| Answer» These botanical garden are:-1.Botanical garden sarangpur 2.Zoo-cum botanical garden3.Botanical garden vaghai 4.Mysor botanical garden5.Curzon park | |
| 3683. |
Name the red algae used in preparation of jellies and icecream |
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Answer» Gellidium and gracilaria Gelidium and gracilaria are the type of the red algae from where the agar-agar is the substance can be obtained which is used to prepare ice cream and jellies. |
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| 3684. |
Who showed that cells arise from pre- existing cells? |
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Answer» Rudolf Virchow- a Russian scientist Cell theory |
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| 3685. |
What is semepermeable |
| Answer» Semi permeable means that which allow some substance to enter in cell | |
| 3686. |
Important question for all chapter |
| Answer» Everything is important for neet | |
| 3687. |
How to place condoms |
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| 3688. |
How to do sec |
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| 3689. |
Describe various stages of karyokinesis during mitosis |
| Answer» Karyokinesis\xa0is\xa0the\xa0division of\xa0the\xa0nucleus that occurs\xa0in\xa0four\xa0stages. They are prophase, metaphase, anaphase and Telophase.\xa0During\xa0prophase,\xa0the\xa0chromatin condenses to form chromosomes. centrioles develop into asters and move towards\xa0the\xa0opposite poles.\xa0Mitosis\xa0is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from\xa0each\xa0other and move to opposite poles of the cell. This\xa0happens\xa0in\xa0four phases, called prophase, metaphase, anaphase, and telophase. | |
| 3690. |
Write the step of harbarium seeds |
| Answer» \xa0The main objectives of herbaria making are :\tTo preserve plant specimens for reference.\tTo identify plants on the basis of herbarium specimens.\tTo study the vegetation different localities at of various times intervals.The main\xa0step\xa0to prepare\xa0herbarium\xa0sheet are:\tCollection and pressing of specimens. Fresh materials are pressed in plant press in\xa0herbarium\xa0press.\tDrying of specimens. ...\tMounting of specimens on\xa0herbarium\xa0sheets. ...\tLabeling of specimens. ...\tStorage and filling of\xa0herbarium\xa0sheets. ...\tProtection of\xa0herbarium\xa0sheets. | |
| 3691. |
Important topics of chapter 1to 10 |
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| 3692. |
What are proin |
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Answer» Prion, an abnormal form of a normally harmless protein found in the brain that is responsible for a variety of fatal neurodegenerative diseases of animals, including humans, called transmissible spongiform encephalopathies. Proin contains the active ingredient phenylpropanolamine, an adrenergic agent that works by tightening the bladder sphincter muscle, which helps to control urine leakage. |
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| 3693. |
What is heterocyst |
| Answer» A\xa0heterocyst\xa0is a differentiated cyanobacterial cell that carries out nitrogen fixation. The\xa0heterocysts\xa0function as the sites for nitrogen fixation under aerobic conditions. They are formed in response to a lack of fixed nitrogen (NH4 or NO3). | |
| 3694. |
Why plants choose to be in green |
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Answer» Because of the pigment chlorophyll present in it Because it have green pigment chlorophyll presence of plastids |
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| 3695. |
write the note on enymatic digestive |
| Answer» Digestive enzymes helps in digesting complex food materials into simpler molecules for absorption by the body. During digestion of food, different parts of the alimentary canal produces different digestive enzymes that helps in digestion of different components of food. For example, saliva produces salivary amylase that digests the starch. Stomach contain gastric glands that produces pepsin that helps in protein digestion. Apart from that other enzymes such as trypsin, chymotrypsin also helps in protein digestion. | |
| 3696. |
Practicals aren\'t included |
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| 3697. |
If we spread a salt on leech body why they gives a blood |
| Answer» Salt as poisonHowever the problem excess of salt in more immediate for leeches, because there skins are permeable, they allow free passage of moisture. When leeches are dosed in salt. It creates a osmotic pressure that draw moisture from their cells in exactly the same way it was with a ham | |
| 3698. |
What is complex tissue? |
| Answer» Thoso having differ kinds of cells are term as complex tissue. | |
| 3699. |
Difference between centrosome and centriols |
| Answer» A centrosome is an organelle that is found close to the nucleus within the cytoplasm of cells. Centrosomes are key to the division of cells and produce the spindle fibers that are required during metaphase of mitosis. Each centrosome consists of two centrioles that are orientated at right-angles to each other. | |
| 3700. |
Describe briefly the four major groups of protozoa? |
| Answer» Protozoans are microscopic unicellular eukaryotic organisms with heterotrophic mode of nutrition. Their nutrition may be holozoic, saprobic, or parasitic. These are divided into four major groups.(1) Amoeboid protozoans or sarcodines : They are unicellular, jelly-like protozoa found in fresh or sea water and in moist soil. Their body lacks a periplast. Therefore, they may be naked or covered by a calcareous shell. They usually lack flagella and have temporary protoplasmic outgrowths called pseudopodia for locomotion. These pseudopodia or false feet help in movement and capturing prey. They include free living forms such as Amoeba or parasitic forms such as Entamoeba.(2) Flagellated protozoans or zooflagellates: They are free living, non-photosynthetic flagellates without a cell wall. They possess flagella for locomotion and capturing prey. They include parasitic forms such as Trypanosoma, which causes sleeping sickness in human beings and free living forms such as Noctiluca.(3) Ciliated protozoans or ciliates: They are aquatic individuals that form a large group of protozoa. Their characteristic features are the presence of numerous cilia on the entire body surface and the presence of two types of nuclei. All the cilia beat in the same direction to move the water laden food inside a cavity called gullet. They include organisms such as Paramaecium, Vorticella etc.(4) Sporozoans : They include disease causing endoparasites and other pathogens. They are uninucleate and their body is covered by a pellicle. They do not possess cilia or flagella. They include the malaria causing parasite Plasmodium.\xa0 | |