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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.
| 18551. |
Question : Definitions Macronutrient |
| Answer» Solution :The ELEMENTS which are present in plant TISSUES in large amounts in excess of `10M mole kg^-1` of dry MATERIAL, are called macronutrients. | |
| 18552. |
Question : Definitions Immobilised elements |
| Answer» Solution :The ELEMENTS which are RELATIVELY immobile and are not TRANSPORTED out of the matured ORGANS are called immobilised elements. | |
| 18553. |
Question : Definitions/Explanation: Vernalization : |
| Answer» Solution :Better and EARLIER GERMINATION is induced when SEEDS are PROVIDED with specific low TEMPERATURES for a definite period of time. Flowering is also earlier in the plants which develop from them. This artificial treatment is called vernalization. | |
| 18554. |
Question : Definitions/Explanation: Variations : |
| Answer» SOLUTION :DIFFERENT CHARACTERS within same species AMONG individuals is a variation. | |
| 18555. |
Question : Definitions/Explanation: Synapse: |
| Answer» SOLUTION :A synapse is formed by the MEMBRANES of a pre synaptic NEURON and a post synaptic neuron, which may or may not be separated by synaptic CLEFT. | |
| 18556. |
Question : Definitions/Explanation: Symmetry : |
| Answer» Solution :ARRANGEMENT of body PARTS in respect to size, shape and position on opposite SIDES of an AXIS or CENTRE. | |
| 18557. |
Question : Definitions/Explanation: Short day plants : |
| Answer» Solution :Some plants require a SHORTER period to flower. Such plants are called - short day plants. EX., PADDY, SOYABEAN, Xanthium etc. | |
| 18558. |
Question : Definitions/Explanation: Senescence/Ageing : |
| Answer» SOLUTION :Senescence is a PERIOD between complete maturation of an INDIVIDUAL and the death of that individual. It is also known as AGEING. | |
| 18559. |
Question : Definitions/Explanation: Secondary growth : |
| Answer» Solution :In the stems and roots of dicot plants, after the completion of primary STRUCTURE of organs, through the activity of LATERAL MERISTEM known as cambium, the addition of new and more cells in the girth of concerned ORGAN occurs, this is called-secondary growth. | |
| 18560. |
Question : Give the scientific name of mango. |
| Answer» Solution :A scientific NAME is GIVEN by BIOLOGISTS. These names represent a particular ORGANISM in every part of the world. | |
| 18561. |
Question : Definitions/Explanation: Sac fungi : |
| Answer» Solution :The MEMBERS of ASCOMYCETES are COMMONLY called as sac fungi. They are MOSTLY MULTICELLULAR. | |
| 18562. |
Question : Definitions/Explanation: Resting potential : |
| Answer» Solution :The ELECTRICAL potential DIFFERENCE ACROSS the RESTING plasma membrane is called as resting potential. | |
| 18563. |
Question : Definitions/Explanation: Reflex action : |
| Answer» Solution :Sudden WITHDRAWL of a BODY part which comes in contact with extreme cold, hot, pointed or SCARY the entire PROCESS of response to a peripheral nervous stimulation occurs INVOLUNTARILY without conscious efforts or thoughts and involvement of central nervous system is called reflex action. | |
| 18564. |
Question : Definitions/Explanation: Pseudoplasmodium: |
| Answer» Solution :These are FOUND in SLIME MOULDS. Pseudoplasmodia are formed when the FOOD supply of the MEDIUM is exhausted. | |
| 18565. |
Question : Definitions/Explanation: Prothallus |
| Answer» SOLUTION :In Pteridophytes spores produced by meiosis are very small can be seen with naked eyes but they are multi cellular, FREE living and mainly results into photosynthetic gametophytes, it is CALLED PROTHALLUS. | |
| 18566. |
Question : Definitions/Explanation: Pollination |
| Answer» Solution :POLLEN grain after dispersal from the anthers are carried by wind or various other agencies to the STIGMA of a pistil. This is TERMED as pollination. | |
| 18567. |
Question : Definitions/Explanation: Primary growth : |
| Answer» SOLUTION :Length increases from TIME to time in plant organs due to the activity of apical MERISTEMS ARRANGED at their tips. Such a growth is called primary growth. | |
| 18568. |
Question : Definitions/Explanation: Polyp : |
| Answer» SOLUTION :The BODY FORM of coelenterate which is sessile and CYLINDRICAL form like hydra. | |
| 18569. |
Question : Definitions/Explanation: Poikilotherms: |
| Answer» Solution :These ANIMALS who do not have a constant body TEMPERATURE and CHANGE their body temperature according to the SURROUNDING are called poikilotherms or COLD blooded animals. | |
| 18570. |
Question : Definitions/Explanation: Parasitic Nutrition |
| Answer» SOLUTION :Living beings except green plants DEPENDS on other plants or animals for nutrition. They are CALLED parasites and this type of nutrition is called PARASITIC nutrition . | |
| 18571. |
Question : Definitions/Explanation: Plasmogamy: |
| Answer» SOLUTION :Fusion of PROTOPLASMS between two MOTILE or non-motile gametes are CALLED plasmogamy. | |
| 18572. |
Question : Definitions/Explanation: Photoperiodism: |
| Answer» Solution :In the DEVELOPMENT of PLANTS and PROCESS of flowering, response to the stimulus of period of available light by plants is called PHOTOPERIODISM. | |
| 18573. |
Question : Definitions / Explanation Pacemaker : |
| Answer» SOLUTION :SA node intitals BEATING of HEART and at every 0.80 seconds it sends stimulating message including ventricles. So SA node is called pacemaker. | |
| 18574. |
Question : Definitions/Explanation: Ovule |
| Answer» SOLUTION :In flowering plants the MEGASPORE MOTHER cell is differentiated from one of the cells of the nucellus. The nucellus is protected by envelopes and the composite structure is CALLED an ovule. | |
| 18575. |
Question : Definitions/Explanation: Paramylon |
| Answer» SOLUTION :These are FOUND in euglenoids. These are the products of photosynthesis which can be stored in the CYTOPLASM. | |
| 18576. |
Question : Definitions/Explanation: Open circulatory system : |
| Answer» Solution :Blood is PUMPED out of heart and CELLS and tissue are DIRECTLY bathed in it. | |
| 18577. |
Question : Definitions/Explanation: Oogamous |
| Answer» SOLUTION :Reproduction occurs by fusion of two GAMETES AMONG them one large immotile FEMALE gamete and SMALL motile male gametes is called. oogamous. | |
| 18578. |
Question : Definitions/Explanation: Notochord : |
| Answer» Solution :Mesodermally DERIVED rod like STRUCTURE FORMED on the dorsal SIDE during the embryonic DEVELOPMENT in some animals. | |
| 18579. |
Question : Definitions/Explanation: Nomenclature : |
| Answer» SOLUTION :METHOD ADOPTED to AGREED principals for naming is called NOMENCLATURE. | |
| 18580. |
Question : Definitions/Explanation: Node of Ranvier : |
| Answer» Solution :The myelinated nerve fibres are enveloped with Schwann cells, which form a myelin sheath around the AXON. The gap between TWO adjacent myelin SHEATHS are called NODES of RANVIER. | |
| 18581. |
Question : Definitions/Explanation: Nerve impulse : |
| Answer» Solution :When nerve FIBER is STIMULATED by TOUCH, smell or chemical changes, its polarised STATE changes, which is called nerve impulse or ACTION potential. | |
| 18582. |
Question : Definitions/Explanation: Metameric segmentation : |
| Answer» Solution :In some animals BODY is externally and INTERNALLY divided into segments with SERIAL REPETITION as in earthworm called METAMERIC segmentation. | |
| 18583. |
Question : Definitions/Explanation: Metagenesis : |
| Answer» SOLUTION :The cnidarians or coelenterates which EXIST in polyp and medusa FORMS exhibit alternation of GENERATION i.e. polyps produce medusa asexually and MEDUSAE form polyps sexually. e.g. obelia. | |
| 18584. |
Question : Definitions/Explanation: Karyogamy : |
| Answer» Solution :FUSION of TWO nuclei is CALLED karyogamy. | |
| 18585. |
Question : Definitions/Explanation: Long day plants : |
| Answer» Solution :Some plants REQUIRED a longer period of light to come into flowering. Such plants are called long day plants. EX., WHEAT, Poppy, OAT, Beet etc. | |
| 18586. |
Question : Definitions/Explanation: Medusa : |
| Answer» SOLUTION :A free swimming, umbrella shaped BODY form like Aurelia or jelly FISH. | |
| 18587. |
Question : Definitions/Explanation: Internal fertilisation : |
| Answer» Solution :In land ANIMALS and some aquatic animals the sperms are introduced by the male into REPRODUCTIVE TRACT of female during copulation. This is called internal FERTILIZATION. | |
| 18588. |
Question : Definitions/Explanation: Homoeotherms: |
| Answer» Solution :Those ANIMALS who have a CONSTANT body temperature are called homoiotherms or warm blooded animals. | |
| 18589. |
Question : Definitions/Explanation: Heterosporous |
| Answer» Solution :In LOWER PLANTS LIKE in some algae, if MALE and female gametes/ spores are not equal then it is called HETEROSPOROUS. | |
| 18590. |
Question : Definitions/Explanation: Heterocysts : |
| Answer» SOLUTION :Present in CYANOBACTERIA. They are the SITES of nitrogen FIXATION. | |
| 18591. |
Question : Definitions/Explanation: Hermaphrodite : |
| Answer» SOLUTION :When the sexes are not SEPARATE i.e. when both MALE and female sex ORGANS are present in the same INDIVIDUAL the animal is hermaphrodite or bisexual. | |
| 18592. |
Question : Definitions/Explanation: Gibberellins : |
| Answer» Solution :Minute quantities of gibberellins profoundly stimulates GROWTH of MANY plants. The major sites of GA production in plants are embryos, ROOTS and young leaves close to the shoot tip. Gibberellins are chemically gibberellic ACID. They are of isoprenoid nature and posses the same general carbon SKELETON. | |
| 18593. |
Question : Definitions/Explanation: Growth regulators : |
| Answer» Solution :The plant growth regulators are small, simple MOLECULES of DIVERSE chemical composition. Plant synthesized specific ORGANIC CHEMICALS which act as growth regulators. | |
| 18594. |
Question : Definitions/Explanation: Germination : |
| Answer» Solution :The ENTIRE process from the SOWING of the seed in the SOIL to the emergence of young sapling from it, constitutes germination. | |
| 18595. |
Question : Definitions/Explanation: Growth: |
| Answer» SOLUTION :An irreversible increase in the size and WEIGHT of an organism. | |
| 18596. |
Question : Definitions/Explanation: Genus : |
| Answer» SOLUTION :A group of SPECIES having COMMON ANCESTOR is called a genus. | |
| 18597. |
Question : Definitions/Explanation: Family: |
| Answer» SOLUTION :A group of genera which are closely RELATED is CALLED a family. | |
| 18598. |
Question : Definitions/Explanation: External fertilisation : |
| Answer» Solution :Animal such as MANY invertebrates, some marine fishes and most amphibians, shed both EGGS and sperm into water where FERTILISATION and DEVELOPMENT occur. This is called external fertilisation. | |
| 18599. |
Question : Definitions/Explanation: Etiolated position : |
| Answer» Solution :The stems of plants growing in dark are long, THIN, yellow and WEAK and its is CALLED .ETIOLATED position.. | |
| 18600. |
Question : Definitions / Explanation Erythroblastosis |
| Answer» Solution :DUE to incompatibility of RH ANTIGEN, `Rh^(-ve)`blood containing mother becomes pregnant second time and bears `Rh^(+ve)`foetus, at that time antibodies produced in her blood reach to embryo through placenta, DESTROYS RBVs of foeyus. This CONDITION is called ERYTHROBLASTOSIS. | |