Please enter your email: Solanum, Triticum and Panthera 1) Belong to three different orders 2) Represent genera of same kingdom 3) Belong to the same family 4) Represent monotypic genera 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. Endothermic amniote among these 1) Testuda 2) Pristis 3) Delphinus 4) Ichthyophis The major threat to biodiversity hot spots is 1) habitat loss 2) Reforestation 3) Co-evolution 4) competition The central body cavity of poriferans is called- 1) Gastro vascular cavity 2) Spongocoel 3) Coelom 4) Hypostome If 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 : 1 In 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 progesterone Which 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 ↓ Diaphragms 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 & a Which of the following hormone causes fruits of apple to elongate and improve its shape 1) Gibberlin 2) ABA 3) Ethylene 4) Auxin 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 loss Which of the following is common in Chelone, Calotes, Naja and Bungarus? 1) Compound eye 2) Poison gland 3) Jointed legs 4) Crawling mode of locomotion Which 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 excretion pBR322 has/have which of the following selection marker(s) 1) ampR 2) tetR 3) lac Z 4) Both (1) and (2) The upward flow of water through the xylem in plants can achieve fairly high rates upto- 1) 15 metres per hour 2) 50 metres per hour 3) 130 metres per hour 4) 200 metres per hour The 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 culture Which of the following are membrane bound space found in the cytoplasm 1) lysosomes 2) vacuoles 3) centrosome 4) micro bodies F1(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 sativum Select 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. At which stage of meiosis do these events occur:- Bivalents more clearly visible Formation of synaptonemal complex Terminalisation of chiasmata 1) Leptotene Zygotene Pachytene 2) Pachytene Zygotene Diakinesis 3) Zygotene Pachytene Diplotene 4) Diplotene Diakenesis Pachytene 1) Leptotene Zygotene Pachytene 2) Pachytene Zygotene Diakinesis 3) Zygotene Pachytene Diplotene 4) Diplotene Diakenesis Pachytene When faeces are retained with in the rectum as bowel movement occur irregularly, it is called:- 1) Diarrhoea 2) Vomiting 3) Constipation 4) Jaundice The 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 – female Match the items given in Column A and Column B Column A Column B 1) Catalytic converter a) Solid waste 2) Electrostatic precipitator b) High noise level 3) Earmuffs c) Particulate matter 4) Land fills d) 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-a 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 cells Choose 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, C Axillary buds develop into slender and spirally coiled structure and help plants to climb as in:- 1) Euphorbia 2) Jasmine 3) Watermelon 4) Bougainvillea 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 productive Given below are two statements (A-B). Select the option which correctly fills up the blank:- A) …. (i) … is a condition of accumulation of urea in blood which is highly harmful and may lead to kidney failure B) Ultimate method in correction of acute renal failures is ….(ii)… 1) (i) Uremia, (ii) Hemodialysis 2) (i) Uremia, (ii) Kidney transplantation 3) (i) Ketonuria, (ii) Hemodialysis 4) (i) Glycosuria, (ii) Kidney transplantation How many of the following plants have didelphous and epiphyllous condition respectively Lupin, lily, <em>Petunia, Gloriosa</em>, Sweet pea, Mulaithi, Mustard, Tulip 1) 3, 2 2) 3, 3 3) 4, 3 4) 2, 4 Which 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 epithelium Asexual reproduction is the 1) Rapid and complex mode of reproduction 2) Rapid production of genetically variable population 3) Production of large number of individuals and does not involve alteration of generation 4) Formation of genetically and morphologically similar individuals from a zygote. In 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, Trichoderma Elution 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. Select the wrongly matched pair 1) Monascus purpureus – Statins 2) Clostridium butylicum – Citric acid 3) Streptococcus – Streptokinase 4) Trichoderma polysporum – Cyclosporin A Archaebacteria 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 conditions Match the Columns (w.r.t pollengrain) Column I Column 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-v In 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 membrane Which one is not required in success of kidney transplantation? 1) Immunosuppressant 2) Blood matching 3) Tissue matching 4) Over activity of CMI During 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. Which joints allow considerable movements during locomotion 1) Fibrous Joints 2) Cartilage Joints 3) Synarthroses 4) Synovial Joints Which 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 Percent cover or Biomass is a more meaningful measure of population size with respect to this plant 1) Parthenium 2) Bamboo 3) Banyan 4) Paddy In 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 polymerases Phloem tissue is composed of sieve tube cells, which form long columns with holes in their end walls called 1) sieve pores 2) sieve plates 3) sieve areas 4) sap cavities The hormone that helps in maintaining the normal rhythms, sleep wake cycle, body temperature is secreted by 1) Pituitary gland located on dorsal side of Fore Brain 2) Peneal gland located on dorsal side of Mid Brain 3) Pituitary gland located on ventral side of fore Brain 4) Peneal gland located on dorsal side of fore Brain Which 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, E How many sperms are formed by one primary spematocyte? 1) 4 2) 3 3) 2 4) 1 At 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) Odontoid Necrosis 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, Mo 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 TSH Read 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 D In hydrarch successon floating stage is followed by 1) Marsh meadow stage 2) Reed swamp 3) Scrub stage 4) Forest Statement 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 false Read 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 incorrect The 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 shaped Which 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 salts In 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. Find odd one out with respect to life cycle pattern 1) Pinus 2) Ficus 3) Fucus 4) Polytrichum Lamark’s view about organic evolution is based on 1) Natural selection 2) Mutation 3) Inheritance of acquired character 4) Saltation Study 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 testis Homology 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 human Statement 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 false Avena curvature test is suitable bio assay test for 1) Auxin 2) Gibberlin 3) Cytokinin 4) ABA In 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, D When the infected female Anophelous mosquito bites a normal human being, the infective stages of Plasmodium to human first entered into his 1) RBCs 2) WBCs 3) Blood plasma 4) hepatocytes Similar 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) Atavism Triploblastic, Bilaterally symmetrical, Schizocoelomate, unsegmented animals are 1) Annelids 2) Arthropodes 3) Ctenophores 4) Molluscans How 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) One In 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 d Sporophyte is multicellular and not free living in 1) Adiantum 2) Sequoia 3) Marchantia 4) Cedrus Identify 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-Vacuole Select the correct match w.r.t. function of cell organelles Column I Column II a. Protein synthesis i) Glyoxy somes b. Gluconeogenesis ii) Cytoskeleton c. RubisCO activity iii) Palade particles d. Maintenance of shape of cell iv) 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 – ii Delivery of developed foetus is scientifically called as 1) abortion 2) parturition 3) ovulation 4) ovi position A decrease in lichen population of an area is indicative of 1) Soil pollution 2) Water pollution 3) Air pollution 4) Insecticidal pollution Observe the pedigree chart given below What is the genotype of II(3):- 1) AA 2) aa 3) AA or Aa 4) Aa Yeast 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 mm Which 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. The 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. Embryo sac of most angiosperms 1) Develops from micropylar megaspore of linear tetrad 2) Is 7-celled and 8-nucleate female gametophyte 3) Has 3+3+1 arrangement of nuclei 4) Has 3-celled egg apparatus at chalazal end. The nerve cord of cockroach is 1) Single, dorsal & solid 2) Double, dorsal & hollow 3) Double, ventral & solid 4) Single, ventral & hollow 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 borers The second most abundant formed element in human blood 1) Erythrocytes 2) Thrombocytes 3) Leucocytes 4) Neutrophils Electron 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, mitochondria Vascular, cambium is completely secondary in origin 1) Dicot stem 2) Dicot root 3) Monocot stem 4) Monocot root Microbial bio control agent that can be introduced in order to control butterfly caterpillars is 1) Bacillus thuringiensis 2) Baculo viruses 3) Trichoderma 4) Dragon flies TCT is secreted during 1) Increased blood calcium level 2) Decreased blood calcium level 3) Increased blood sugar level 4) Decreased blood sugar level Find out the correct set of secondary metabolites which are toxins 1) Monoterpenes, Diterpenes 2) Abrin, Ricin 3) Morphine, Codeine 4) Viniblastin, Carotenoids The immediate adverse effects of drugs and alcohol abuse are manifested in the form of 1) Anxiety, shakiness, nausea, sweating 2) Reckless behavior, vandalism, violence 3) Death 4) Fever Dihybrid 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 correct Read 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 incorrect Select odd one our w.r.t hydrophily 1) Tape grass 2) Sea grass 3) Hydrilla 4) Water hyacinth Loading … Question 1 of 90
