Please enter your email: Percent cover or Biomass is a more meaningful measure of population size with respect to this plant 1) Parthenium 2) Bamboo 3) Banyan 4) PaddyTCT is secreted during 1) Increased blood calcium level 2) Decreased blood calcium level 3) Increased blood sugar level 4) Decreased blood sugar levelSelect the wrongly matched pair 1) Monascus purpureus – Statins 2) Clostridium butylicum – Citric acid 3) Streptococcus – Streptokinase 4) Trichoderma polysporum – Cyclosporin AStatement I : Male honeybees do not have father and cannot have sons. Statement II: In haplo-diploidy sex determination method of honeybees, male and female organisms are diploid, their gametes are haploid and their zygotes are diploid 1) Both statements are false 2) Statement I is false, Statement II is true 3) Both statements are true 4) Statement I is true, Statement II is falseIn hydrarch successon floating stage is followed by 1) Marsh meadow stage 2) Reed swamp 3) Scrub stage 4) ForestDiaphragms are contraceptive devices used by the females. Choose the correct option from the statements given below:- a) They are introduced into the uterus b) They are placed to cover the cervical region c) They act as physical barrier for sperm entry d) They mainly function as spermicidal agents The correct options are:- 1) a & b 2) b & c 3) a & c 4) c, d & aSelect the correct match w.r.t. function of cell organellesColumn IColumn IIa. Protein synthesisi) Glyoxy somesb. Gluconeogenesisii) Cytoskeletonc. RubisCO activityiii) Palade particlesd. Maintenance of shape of celliv) Chloroplast 1) a – ii, b – iii, c-iv, d-i 2) a – iv, b – iii, c – ii, d – i 3) a – iii, b – i, c-iv, d – ii 4) a – i, b – iii, c – iv, d – iipBR322 has/have which of the following selection marker(s) 1) ampR 2) tetR 3) lac Z 4) Both (1) and (2)The major threat to biodiversity hot spots is 1) habitat loss 2) Reforestation 3) Co-evolution 4) competitionArchaebacteria present in the gut of several ruminants 1) Have cell wall similar to other bacteria 2) Produce biogas under anaerobic conditions 3) Produce methane at very low pH and high temperature 4) Are found in highly saline conditionsObserve the pedigree chart given belowWhat is the genotype of II(3):- 1) AA 2) aa 3) AA or Aa 4) AaWhich one is not required in success of kidney transplantation? 1) Immunosuppressant 2) Blood matching 3) Tissue matching 4) Over activity of CMIChoose the correct one 1) Chipko movement – 1980 2) Joint Forest Management – 1974 3) Montreal protocol – 1992 4) World summit on sustainable development – 2002In the human female, menstruation can be deferred by the administration of 1) FSH only 2) LH only 3) combination FSH and LH 4) combination of oestrogen and progesteroneWhich of the following statement is incorrect? 1) Oxygen dissociation curve is obtained when % saturation of haemoglobin with O2 is plotted against the pO2 2) When pH decreases, oxygen dissociation curve shifts to right. 3) In tissues, where there is low pO2, high pCO2, lesser H+ concentration and high temperature support dissociation of oxyhaemoglobin. 4) 100ml of oxygenated blood can deliver around 5 ml of O2 to the tissues under normal physiological conditions.In C4 plants, C3 cycle/Calvin cycle occur in bundle sheath cells because 1) CO2 fixing enzyme RubisCO is present only in bundle sheath cells. 2) Primary acceptor of CO2 for C4 plants is present in bundle sheath cells. 3) Photorespiration occurs in its mesophyll cells due to presence of RubisCO enzyme. 4) PEP Case enzyme is present in bundle sheath cells.Immigration may contribute more significantly to population growth than birth rates if 1) a new habitat is first being formed 2) a new habitat is first becoming extinct 3) a new habitat is first being colonized 4) a new habitat is first becoming non productiveRead the following statements and choose the correct option A) Drupe of coconut has a fibrous mesocarp. B) Indigofera is a dye yielding plant of Fabaceae. 1) Both ‘A’ and ‘B’ are correct 2) Only ‘A’ is correct 3) ‘B’ is incorrect 4) Both are incorrectEndothermic amniote among these 1) Testuda 2) Pristis 3) Delphinus 4) IchthyophisWhich points are not correct about angiotensin-II? A) Decreases the glomerular blood pressure B) Activates the adrenal cortex to release aldosterone C) Powerful vasoconstrictor D) Decreases the GFR and decreases the blood volume E) Activates the J.G. cells to release rennin 1) A, B, C 2) A, D, E 3) C, D, E 4) B, C, EThe nerve cord of cockroach is 1) Single, dorsal & solid 2) Double, dorsal & hollow 3) Double, ventral & solid 4) Single, ventral & hollowThe pyramid obtained w.r.t. energy flow in the Tree ecosystem comprising Tree → Insects → Small birds → large birds is. 1) Inverted 2) Upright 3) Sometimes upright, sometime inverted 4) Bell shapedMicrobial bio control agent that can be introduced in order to control butterfly caterpillars is 1) Bacillus thuringiensis 2) Baculo viruses 3) Trichoderma 4) Dragon fliesChoose the incorrect statement for given diagram 1) Splitting of water is associated with ‘X’ 2) In this process ATP and NADPH are produced. 3) ‘Y’ participate in cyclic process also. 4) By this process H+conc. increases in stroma.Choose the incorrect one 1) Archaebacteria – They flourish in hot springs 2) Kangaroo Rat – Capable of meeting all its water requirements through its internal fat oxidation 3) Desert Lizard – Bask in the sun to emit out heat 4) Seal – Possess blubber to reduce the body heat lossTriploblastic, Bilaterally symmetrical, Schizocoelomate, unsegmented animals are 1) Annelids 2) Arthropodes 3) Ctenophores 4) MolluscansThe core of eukaryotic flagellum is 1) Axoneme with 9 + 0 arrangement of microtubules. 2) Made up of number of microtubules running parallel to long axis. 3) Having triplets of radially arranged peripheral microtubules. 4) Having a pair of centrally located doublet microtubules.These are related to carbohydrate metabolism A) Gluconeogenesis B) Glycogenolysis C) Reduced glucose uptake by the cells D) Glycogenesis E) Enhanced uptake of glucose by cells F) Enhanced glucose utilization by cellsChoose which events occur due to the action of Glucagon 1) A, B, C, E 2) A, B, C, F 3) A, B, C, D 4) A, B, CAvena curvature test is suitable bio assay test for 1) Auxin 2) Gibberlin 3) Cytokinin 4) ABAA decrease in lichen population of an area is indicative of 1) Soil pollution 2) Water pollution 3) Air pollution 4) Insecticidal pollutionDelivery of developed foetus is scientifically called as 1) abortion 2) parturition 3) ovulation 4) ovi positionWhich of the following hormone causes fruits of apple to elongate and improve its shape 1) Gibberlin 2) ABA 3) Ethylene 4) AuxinFind odd one out with respect to life cycle pattern 1) Pinus 2) Ficus 3) Fucus 4) PolytrichumMatch the items given in Column A and Column BColumn AColumn B1) Catalytic convertera) Solid waste2) Electrostatic precipitatorb) High noise level3) Earmuffsc) Particulate matter4) Land fillsd) Carbon monoxide & Nitrogen oxide 1) 1-d 2-c 3-a 4-b 2) 1-d 2-c 3-b 4-a 3) 1-c 2-d 3-b 4-a 4) 1-d 2-b 3-c 4-aF1(heterozygous organism) does not resemble a single parent in which of the following characters 1) Pod colour in pea 2) Flower colour in Mirablilis Jalapa 3) Seed colour in garden pea 4) Flower colour in Pisum sativumSimilar habitat that has resulted in selection of similar adaptive features in different groups of organism but toward the same function, is valid for:- 1) Homologous organs 2) Analogous organs 3) Vestigeal organs 4) AtavismAt which stage of meiosis do these events occur:-Bivalents more clearly visibleFormation of synaptonemal complexTerminalisation of chiasmata1)LeptoteneZygotenePachytene2)PachyteneZygoteneDiakinesis3)ZygotenePachyteneDiplotene4)DiploteneDiakenesisPachytene 1) Leptotene Zygotene Pachytene 2) Pachytene Zygotene Diakinesis 3) Zygotene Pachytene Diplotene 4) Diplotene Diakenesis PachyteneIn which of the following fungi fruiting bodies act as site of reduction division leading to formation of endogenous haploid sexual spores. 1) Bread mold, Alternaria 2) Mushrooms, Toadstools 3) Claviceps, Aspergillus 4) Mucor, TrichodermaIn the given four statements (A-D), select the options which includes all the correct ones:- A) LNG-20 makes uterus unsuitable for implantation. B) Rete testis, testis, epididymis are male accessory ducts. C) Placenta is formed only by maternal tissues. D) By the end of second month of pregnancy foetus develops limbs and digits. 1) A, B, C 2) B, C 3) A, D 4) B, DNecrosis or death of tissue, particularly leaf tissue is due to the difeciency of 1) Ca, Mg, Cu, K 2) Cu, Mg, N,K,S 3) N, K, S, Mo 4) N,K, Mg, S, Fe, Mn, Zn, MoMatch the Columns (w.r.t pollengrain)Column IColumn II(a) Vegetative cell(i) Abundant reserve food and irregular nucleus(b) Germ pore(ii) Spindle shaped with dense cytoplasm(c) Exine(iii) Where the sporopollenin is absent(iv) Variable patterns of designs(v) Continuous layer made of cellulose and pectin. 1) a-ii, b-iv, c-i 2) a-v, b-iii, c-ii 3) a-i, b-iii, c-iv 4) a-i, b-ii, c-vStatement I : Highly intensified secondary response is not elicited for passive immunity. Statement II : Preformed antibodies are given during passive immunisation. 1) Statement I is true & Statement II is false 2) Both the statements I and II are true 3) Statement I is false & Statement II is true 4) Both the statement I and II are falseSelect odd one our w.r.t hydrophily 1) Tape grass 2) Sea grass 3) Hydrilla 4) Water hyacinthHow many of the following plants have didelphous and epiphyllous condition respectivelyLupin, lily, <em>Petunia, Gloriosa</em>, Sweet pea, Mulaithi, Mustard, Tulip 1) 3, 2 2) 3, 3 3) 4, 3 4) 2, 4Find the correct statement w.r.t secondary succession 1) Occurs on bare area 2) Rate of succession is much slower 3) Lichen acts as pioneer species 4) Rate of succession is faster, due to presence of some soilDuring aerobic respiration all of these occur in the conversion of pyruvic acid into acetyl CoA except 1) Production of CO2 2) Conversion of 3 carbon molecule into 2 C – molecule 3) Requirement of pyruvate dehydrogenase enzyme complex and several co-enzymes 4) Site of the reaction is cytoplasm in eukaryotes.Menstrual cycle become irregular and simple Goitre are due to 1) Over secretion of thyroxin 2) Over secretion of growth hormone in adult 3) Hypo secretion of Thyroxine 4) Excess secretion of TSHIdentify the given figure as well as alphabetically marked structures. 1) Fibre : A-Lumen, B-Thick cell wall 2) Sclereid : A – Pits, B-Thick cell wall 3) Scelerid : A-Simple pit, B-Lumen 4) Collenchyma : A-Protoplasm, B-VacuoleAt the point of fusion of ilium, ischium and pubis, a cavity is formed, which is known as:- 1) Glenod cavity 2) Acetabulum 3) Olecranon fossa 4) OdontoidIn Lac operon- 1) A monocistronic structural gene is regulated by a common promoter and regulatory genes 2) Glucose and galactose can act as inducer 3) The ‘y’ gene codes for permease which increases permeability of cell to ?-galactosides. 4) Allolactose can also act as inducer.The ecological relationship between Barnacle and whale is same as that 1) Between cuscuta and hedge plant 2) Between Fungus and roots of higher plants 3) Between Sea anemone and clown fish 4) Between Liver fluke and SnailRead the following statements w.r.t nutrient cycling and choose the correct option i) The oceanic reservoir of carbon regulates the amount of CO2 in atmosphere. ii) In phosphorous cycle atmospheric inputs through rainfall is very high. iii) 4 x 1013kg of carbon is fixed annually by photosynthesis. 1) All are correct 2) only ii is incorrect 3) Both i and ii are correct 4) Only iii is incorrectThe second most abundant formed element in human blood 1) Erythrocytes 2) Thrombocytes 3) Leucocytes 4) NeutrophilsThe technique of growing plants in a nutrient solution, in complete absence of soil is called 1) Somatic embryogenesis 2) Hydroponics 3) Micro propagation 4) Tissue cultureSelect the odd one out w.r.t DNA replication 1) Deoxyribonucleoside triphophates act as substrate and energy source. 2) The template with polarity 3′ → 5′ shows continuous replication. 3) Toposiomerases relieves tension caused due to super coiling. 4) DNA polymerase can initiate replication on its own.When faeces are retained with in the rectum as bowel movement occur irregularly, it is called:- 1) Diarrhoea 2) Vomiting 3) Constipation 4) JaundiceHow many of the given statements are concerned with respect to vascular cryptogams of the plant kingdom i) PEN formation ii) Free living gametophyte iii) Presence of mostly heterosporous genera iv) Flagellated male gametes v) Macrophylls as in Selaginella 1) Two 2) Four 3) Three 4) OneSolanum, Triticum and Panthera 1) Belong to three different orders 2) Represent genera of same kingdom 3) Belong to the same family 4) Represent monotypic generaDihybrid test cross ratio with 87.5% parental types and 12.5% recombinant types show that genes have 1) Complete linkage 2) Independent Assortment 3) Incomplete linkage 4) More than one option is correctYeast poison themselves to death when the concentration of alcohol reaches about 1) 31% 2) 13% 3) 0.3 μg 4) 4.5 to 5.0 mmThe figures below show 3 phases of mitosis. Select the option giving correct identification together with the correct event 1) C – Metaphase – Movement of chromosome towards opposite poles 2) A – Prophase – Condensation of chromatin to form compact mitotic chromosomes. 3) B – Anaphase – Arrangement of chromosomes at equatorial plate. 4) A – Prophase – Splitting of centromere to form sister chromatids.Transcription and Translation are coupled with each other in 1) Chlorella and Drosophila 2) Chlamydomonas and Aspergillus 3) Chlorobium and Rhizobium 4) Garden pea and Blue green moldAxillary buds develop into slender and spirally coiled structure and help plants to climb as in:- 1) Euphorbia 2) Jasmine 3) Watermelon 4) BougainvilleaWhich of the following is common in Chelone, Calotes, Naja and Bungarus? 1) Compound eye 2) Poison gland 3) Jointed legs 4) Crawling mode of locomotionElution is the technique of 1) Separating DNA fragments of various sizes through gel matrix under electric field. 2) Observing bright orange DNA bands in a stained gel under UV-radiation. 3) Extraction of DNA bands from gel piece. 4) Construction of r-DNA by joining fragments with cloning vector.High aspartic acid, low nitrogen and sugar content in maize leads to resistance in maize against 1) Aphids 2) Stem sawfly 3) Jassids 4) Stem borersElectron transport system (ETS) consisting of cytochromes in plants occurs in 1) In chloroplast, mitochondria 2) Only in chloroplast 3) Only in mitochondria 4) In chloroplast, peroxisome, mitochondriaStudy the Diagram and choose the option which includes all the incorrect ones:- 1) Urethra, Vas deferens, Rete testis 2) Seminal vesicle, Bulbo urethral glands 3) Seminal vesicle, Bulbo urethral glands & Urethra 4) Vas deferens, Seminal vesicle, Rete testisThe central body cavity of poriferans is called- 1) Gastro vascular cavity 2) Spongocoel 3) Coelom 4) HypostomeWhich is the incorrect statement for areolar connective tissue? 1) Present below the skin 2) Most widely distributed connective tissue 3) Fibres are densely packed 4) Works as support framework for epitheliumHow many sperms are formed by one primary spematocyte? 1) 4 2) 3 3) 2 4) 1In mammalian ear, a membranous structure which separate the scala media and scala tympani is:- 1) Basilar membrane 2) Reissner’s membrane 3) Autolith membrane 4) Tectorial membraneFind out the correct set of secondary metabolites which are toxins 1) Monoterpenes, Diterpenes 2) Abrin, Ricin 3) Morphine, Codeine 4) Viniblastin, CarotenoidsWhich one of the following statements is true regarding digestion of food in human? 1) About 60% of starch is hydrolysed by salivary amylase in our mouth. 2) Oxyntic cells in our stomach secrete the proenzyme pepsinogen 3) Dipeptides are the end products of trypsin, pepsin and Dipeptidase action on protein 4) Bile contains bile saltsIn a medico-legal case of accidental interchange between two babies in a hospital, the baby of blood group ‘A’ could not be rightly given to a couple:- 1) With both husband and wife of group ‘O’ 2) Husband of group ‘O’ and wife of group ‘A’ 3) Husband of group ‘AB’ and wife of group ‘O’ 4) Both husband and wife of group ‘A’Vascular, cambium is completely secondary in origin 1) Dicot stem 2) Dicot root 3) Monocot stem 4) Monocot rootRead the following (A-D) statements:- A) Connective tissues are most abundant and widely distributed in the body of complex organism. B) Connective tissue helps in linking and supporting other tissue or organs in the body. C) Cartilage is a type of dense connective tissue. D) Connective tissue does not secrete its matrix. Choose the correct statements is: 1) A, C and D 2) A and B 3) C and D 4) Only DWhich of the following are membrane bound space found in the cytoplasm 1) lysosomes 2) vacuoles 3) centrosome 4) micro bodiesSporophyte is multicellular and not free living in 1) Adiantum 2) Sequoia 3) Marchantia 4) CedrusWhich one of the following characteristic is common both in humans and adult frogs? 1) Four chambered heart 2) Internal fertilization 3) Nucleated R.B.Cs 4) Ureotelic mode of excretionFind out correct match from the following tableColumn IColumn IIColumn IIIi) ApoplastNon living pathwayPlasmodesmataii) SymplastLiving pathwayCell membraneiii) XylemWater and mineralsUndirectional movement 1) i only 2) i and iii 3) ii and iii 4) ii onlyWhich of the following factors favour the formation of oxyhaemoglobin in lungs? 1) Po2 ↓ Pco2 ↑, Temperature ↑ H⊕ concentration ↑ 2) Po2 ↑ Pco2 ↑, Temperature ↑ H⊕ concentration ↓ 3) Po2 ↓ Pco2 ↓, Temperature ↓ H⊕ concentration ↓ 4) Po2 ↑ Pco2 ↓, Temperature ↓ H⊕ concentration ↓Lamark’s view about organic evolution is based on 1) Natural selection 2) Mutation 3) Inheritance of acquired character 4) SaltationIn r-DNA technology after restriction digestion the DNA fragments can be prevented from self ligation by treating with 1) Alkaline phosphatases 2) Ligases 3) Exo nucleases 4) Taq polymerasesHomology is exhibited by 1) Wings of Butterfly and Birds 2) Flippers of Penguin and Dolphins 3) Eyes of Octopus and Mammal 4) Fore limbs of whale, bats, cheetah and humanIn the following statements choose wrong options:- a) Wasp laying egg in fig fruit is an example of mutual relationship. b) Mycorrhiza is an example of ectoparasitism c) Physiological ecology is ecology at organisms level d) Competitive exclusion principle was given by Connell 1) a & c 2) a, c, d 3) b and d 4) b, c and dIf a mulatto man (AaBb) is married to a white woman (aabb) find the possible phenotypic ratio in their progeny . [w.r.t. skin colour in humans] 1) 1 : 1 : 1 : 1 2) 1 : 7 : 7 : 1 3) 9 : 3 : 3 : 1 4) 1 : 2 : 1The karyotype of human ovum is n+1 due to non disjunction of 21st pair of chromosomes. If, it is fertilized by a normal sperm with ‘y’ chromosome, it develops into 1) Turner’s female 2) Klinerfelter syndrome male 3) Super female 4) Down syndrome – femaleα – 1 antitrypsin, synthesized by genetic engineering is used to treat :- 1) Phenylketonuria 2) Cystic fibrosis 3) Emphysema 4) Adenosine deaminase deficiencyWhich of the following essential elements of plants is needed in amount less than 10mmole kg-1 of dry matter? 1) Manganese 2) Magnesium 3) Calcium 4) Phosphorus Loading …Question 1 of 90
