Category: CUET PG Botany 2023 Previous Year Question Papers Shift-2 PDF with Solutions

Category: CUET PG Botany 2023 Previous Year Question Papers Shift-2 PDF with Solutions

CUET PG Botany 2023 Previous Year Question Papers Shift-2 PDF with Solutions

Q75.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A Cosmid is a specialised vector composed of cos sites of phage λ. Reason R: cos sites enable the DNA to get packed in lambda (λ) particles. In the light of the above statements, choose the most appropriate answer from the options given below: (1) Both A and R are correct and R is the correct explanation of A (2) Both A and R are correct but R is NOT the correct explanation of A (3) A is correct but R is not correct (4) A is not correct but R is correct

Cosmid Vector

Q74.Match List I with List II LIST I A. Labyrinth seeds B. Anemochory C. Autochory D. Diplospory LIST II I. Ecballium elaterium II. Antennaria alpina III. Kingiodendron IV. Oroxylum indicum Choose the correct answer from the options given below: (1) A–II, B–I, C–III, D–IV (2) A–IV, B–III, C–II, D–I (3) A–III, B–IV, C–I, D–II (4) A–I, B–II, C–IV, D–III

Labyrinth Seeds Anemochory Autochory Diplospory Matching

Q73.Match List I with List II LIST I A. ⊕ ⚥ P(5) A₅ G(2) B. ⊕ ⚥ Epi K₅–₇ K(5) C₅ A(∞) G(5) C. ⊕ ⚥ K(5) C(5) A₅ G(2) D. ⊕ ⚥ K₅ C₅ A₅+₅ G(3) LIST II I. Caryophyllaceae II. Solanaceae III. Chenopodiaceae IV. Malvaceae Choose the correct answer from the options given below: (1) A-II, B-I, C-IV, D-III (2) A-IV, B-III, C-I, D-II (3) A-I, B-II, C-III, D-IV (4) A-III, B-IV, C-II, D-I

Floral Formula Matching

Q72.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The orange colour of henna is due to lawsone (C₁₀H₆O₃) present in dried leaves of Lawsonia genus. Reason R: Lawsone is an oil soluble compound which can be extracted from the leaves using soxhlet extraction. In the light of the above statements, choose the most appropriate answer from the options given below: Both A and R are correct and R is the correct explanation of A Both A and R are correct but R is NOT the correct explanation of A A is correct but R is not correct A is not correct but R is correct

Henna Lawsone Orange Color Assertion Reason

Q71.Match List I with List II LIST I A. pBR322 B. MS medium C. PCR reaction D. Protoplast culture LIST II I. EC Cockings II. Kary Mullis III. Bolivar and Rodriguez IV. Murashige and Skoog Choose the correct answer from the options given below: A-IV, B-III, C-II, D-I A-I, B-II, C-IV, D-III A-IV, B-I, C-III, D-II A-III, B-IV, C-II, D-I

pBR322 MS Medium PCR Protoplast Culture Matching

Q.70 Mendel's first three postulates include: A. Linkage of genes B. Unit factors in pairs C. Dominance/Recessiveness D. Monohybrid cross E. Segregation Choose the correct answer from the options given below: A, B, E only C, D, A only B, C, E only A, B, D, E only

Mendel’s First Three Postulates

Q.69 For fusion of protoplast this chemical is used as a fusogen: l. Potassium Sulphate 2. Chloroform 3. Polyethylene Glycol (PEG) 4. Glycerol

Protoplast Fusion Fusogen

Q.68 PCR involves the following steps. What is the correct sequence? A. Visualisation of amplified product B. PCR machine run C. DNA isolation D. Loading of PCR run E. PCR reaction setup in tube Choose the correct answer from the options given below: A, B, C, D, E C, E, D, B, A B, A, D, C, E E, B, D, C, A

PCR Steps Sequence

Q.67 Match List I with List II LIST I Metabolic Cycles LIST II Organelle(s) involved A. Glyoxylate Cycle B. Citric acid cycle C. Calvin Cycle D. C₂ oxidative Photosynthesis cycle I. Chloroplast II. Glyoxysome III. Mitochondria, Chloroplast, Peroxisome IV. Mitochondria Choose the correct answer from the options given below: 1. A-II, B-I, C-II, D-IV 2. A-IV, B-II, C-III, D-I 3. A-I, B-III, C-IV, D-II 4. A-II, B-IV, C-I, D-III

Glyoxylate Cycle Organelles Matching

Q.66 Given below are two statements: Statement I: Pyrethrum compound is derived from several species of Parthenium which is widely used as an insecticidal preparation. Statement II: Parthenium is a native plant of India grown in Northern Plains and has ecological importance. In the light of the above statements, choose the most appropriate answer from the options given below: 1. Both Statement I and Statement II are correct 2. Both Statement I and Statement II are incorrect 3. Statement I is correct but Statement II is inconect 4. Statement I is incorrect but Statement II is correct

Pyrethrum Parthenium Statement

Q.65 The fatty acid synthesis is carried out in wålich part of the plant cell? l. Cytosol 2. Plastids 3. Mitochondria 4. Lysosome

 Fatty Acid Synthesis Location

Q.64 During biological nitrogen fixation, __________ ATPs are required to fix molecular nitrogen into ammonia. 1. Four 2. Eight 3. Thirty two 4. Sixteen

Biological Nitrogen Fixation

Q.63 Given below are two statements: Statement I: Ruska developed first transmission Electron microscope (TEM) which has resolution 1000 times better than the light microscope. Statement II. Transmission Electron microscope uses very advanced glass in their lenses. In the light of the above statements. choose the most appropriate answer from the options given below: 1. Both Statement I and Statement II are true 2. Both Statement I and Statement I are false 3. Statement I is true but Statement II is false 4. Statement I is false but Statement II is frue

Ruska TEM Resolution

Q.62 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Sugars translocated in phloem are in non-reducing fonn. Reason R: The non-reducing sugars are less reactive than reducing sugars. In the light of the above statements, choose the most appropriate answer from the options given below: 1. Both A and R are true and R is the correct explanation of A 2. Both A and R are true but R is NOT the correct explanation of A 3. A is true but R is false 4. A is not false but R is true

Phloem Sugars Non-Reducing Sucrose

Q.61 During operation of C2 oxidative photosynthetic cycle, molecules move from one organelle to another in the following manner: A. Glycine is transported to mitochondria B. Glycolate is transported to peroxisome C. Serine is transported to peroxisome D. Glycerate is transported to chloroplast Choose the correct answer from the options given below: B, A, D, C B, A, C, D A, B, C, D A, B, D, C

 C2 Oxidative Photosynthetic Cycle Organelle Transport

Q.60 Formation of gas bubble leading to collapse of tension in liquid phase during water transport in xylem is called: 1. Capitation 2. Adhesion 3. Cavitation 4. Cohesion

Xylem Cavitation Gas

Q.59 Which of the following statements are hue regarding the nature of cell wall of different microorganisms? A. Cell wall of bacteria is composed of true peptidoglycan a complex having muramic acid and cross links of L-amino acids. B. Membrane lipids of Archaea contains branched chains attached to glycerol by ether linkage. C. Cell wall of fungi are majorly made up of chitin. D. Vitus and viroids lack cell wall. E. Cell wall is absent in mycoplasma. Choose the conect answer from the options given below: 1. B, C, D, E only 2. A. B. C, D, E only 3. D. E, Aonly 4. C, D. E only

Cell Wall Composition Microorganisms

Q.58 In CAM pathway. the stomata : 1. opens during day 2. opens during night 3. remain closed during day and night 4. remain open during day and nigt

CAM Pathway Stomata Open During Night

Q.57 Match List I with List II LIST I (Apomixis Type) LIST II (Feature) A. Ixeris I. Precocious desynapsis B. Allium II. MMC bypasses meiosis C. Taraxacum III. Asyndetic meiotic prophase D. Antennaria IV. Premeiotic chromosome doubling Choose the correct answer from the options given below: A-III, B-IV, C-I, D-II A-II, B-I, C-IV, D-III A-IV, B-III, C-II, D-I A-I, B-II, C-III, D-IV

Apomixis Types Matching

Q.56 Ultrastructural details of constituent cells of female gametophyte was first explained by: I. Panchanan Maheshwari 2. Jack Hesslop-Harrison 3. William A. Jensen 4. N. S. Rangaswamy

First Ultrastructural Female Gametophyte Study

Q.55 For commercial production of hybrid seeds, the tlu•ee lines namely A. B and C refer to: I. Maintainer, female parent and restorer. respectively. 2. Restorer, Maintainer, bisexual parent respectively 3. Bisexual parent, Restorer and Female parent respectively 4. Female parent. Maintainer and Male parent respectively

Three Lines A B R Hybrid Seed Production

Q.54 The type of embryogeny in which the apical cell of a 2-celled proembryo divides transversely and both the daughter cells contribute to the development of embryo is known as ________. Asterad type Crucifer type Chenopodiad type Caryophyllad type

Caryophyllad Type Embryogeny

Q.53 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In gametophytic self-incompatible flowering plants. the direction of information to inhibit pollen tube is from pistil to pollen. Reason R: The female determinants localized in the pistil interact with the pollen tubes in the style or ovule to inhibit the incompatible tube. In the light of the above statements. choose the most appropriate answer from the options given below: l. Both A and R are correct and R is the conect explanation of A 2. Both A and R are correct but R is NOT the correct explanation of A 3. A is correct but R is not correct 4. A is not correct but R is correct

Gametophytic Self-Incompatibility

Q.52 Match List I with List II LIST I LIST II A. Hedysarum cornutum L. 1763 (=) Hedysarum spinosum L. 1759 I. Tautonym B. Acacia nilotica ssp. nilotica II. Nothospecies C. Malus malus III. Nomenclatural synonym D. Salix aurita × Salix caprea IV. Autonym Choose the correct answer from the options given below: A-I, B-II, C-IV, D-III A-III, B-IV, C-I, D-II A-II, B-I, C-III, D-IV A-IV, B-III, C-II, D-I

Nomenclatural Synonym Autonym Tautonym Guide

Q.51 Given below are two statements: Statement I: It is valid to accept the applicability of generic name Cecropia for moths as well a tropical tree species. Statement II: According to nomenclatural codes, same names are not allowed across the codes. In the light of the above statements. choose the most appropriate answer from the options given below: 1. Both Statement I and Statement II are correct 2. Both Statement I and Statement II are incorrect 3. Statement I is correct but Statement II is incorrect 4. Statement I is incorrect but Statement II is correct

Cecropia Generic Name Moths Trees

Q.50 Cerasus cornuta was first identified and named by Wallich but he failed to get it in a valid manner. Subsequently, it was validly published by Royle. Therefore, its scientific name would be correctly written as: Cerasus cornuta Wall. in Royle Cerasus cornuta Wall. emend Royle Cerasus cornuta Wall. ex Royle Cerasus cornuta Wall. [Royle]

Cerasus cornuta Wall ex Royle

Q.49 A specimen is termed __________, when in the absence of a holotype it is selected from the original material cited by the author. 1. Neotype 2. Lectotype 3. Isotype 4. Syntype

Specimen Selected from

Q.48 Match List I with List II LIST I LIST II A. APG classification I. Charles Bessey B. Strobiloid theory II. G. Bentham and Sir J.D. Hooker C. Die Naturlichen Pflanzenfamilien III. Kare Bremer and Birgitta Bremer D. Genera Plantarum IV. Adolf Engler and K.A. Prantl Choose the correct answer from the options given below: A-IV, B-II, C-III, D-I A-II, B-III, C-I, D-IV A-I, B-IV, C-II, D-III A-III, B-I, C-IV, D-II

APG Classification Match List I II

Q.47 Match List I with List II LIST I LIST II A. Gloger rule I. Tail, snout, ear and legs of mammals B. Bergman rule II. Bird wings C. Allen rule III. Size of animal and body parts D. Rensch rule IV. Effect on coloration Choose the correct answer from the options given below: A-IV, B-III, C-I, D-II A-IV, B-I, C-III, D-II A-I, B-II, C-III, D-IV A-II, B-III, C-I, D-IV

Match List I List II Ecogeographical Rules

Q.46 The correct order for the process of plant succession is: Migration Nudation Ecesis Stabilization Reaction Choose the correct answer from the options given below: 1. B, A, E, C, D 2. A, B, C, E, D 3. B, A, C, E, D 4. B, C, A, D, E

Correct Order Plant Succession Process

Q.45 The zone of transition between two communities is called: 1. Ecad 2. Ecotone 3. Ecotype 4. Edge effect

 Zone of Transition Between Two Communities

Q.44 Vivipary can be obserced in- 1. Xerophytes 2. Halophytes 3. Mesophytes 4. Heliophytes

Vivipary Observed in

Q.43 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Y-shaped or 2-channel energy flow model of E.P. Odum is more realistic than linear energy flow model of Lindeman. Reason R: Y-shaped model is realistic because it has both grazing and detritus food chains. In the light of the above statements, choose the most appropriate answer from the options given below: l. Both A and R are tme and R is the conect explanation of A 2. Both A and R are true but R is NOT the correct explanation of A 3. A is true but R is false 4. A is not false but R is h•ue

Y-Shaped Energy Flow Model

Q.42 Correct sequence for raw cotton processing into yarn and woven clothes is: A. Ginning B. Picking C. Combing and drawing (drafting) D. Baling E. Carding Choose the correct answer from the options given below: A, B, C, D, E A, C, B, E, D A, D, B, E, C B, C, D, E, A

Raw Cotton Processing Yarn Woven Clothes Guide

Q.41 Given below are two statements: Statement I: The chemical potential of an uncharged solute S, in a given medium can be defined as in equation μs = μ°s + RT ln a Statement II: μ°s = standard chemical potential is at 1 M concentration R = Gas constant T = Temperature a = Natural logarithm of the activity of the solvent In the light of the above statements, choose the most appropriate answer from the options given below: Both Statement I and Statement II are true Both Statement I and Statement II are false Statement I is true but Statement II is false Statement I is false but Statement II is true

Chemical Potential Uncharged Solute Equation

Q.40 The first step in protein synthesis is the binding of the small ribosomal tmit to the ribosome binding site of the mRNA that contains one of the following codons: 1. UUA 2. UAU 3. AAU 4. AUG

First Step Protein Synthesis

Q.39 Match List I with List II LIST I (Common Name) LIST II (Edible Part) A. Papaya I. Pericarp B. Sapodilla II. Mesocarp C. Banana III. Pericarp, Placenta D. Guava IV. Mesocarp, Endocarp Choose the correct answer from the options given below: A-I, B-II, C-III, D-IV A-IV, B-III, C-II, D-I A-II, B-I, C-IV, D-III A-III, B-IV, C-I, D-II

Match List I List II Common Name Edible Part

Q.38 Satellite DNA is absent in: A. Plasmid B. Prokatyotes C. Eukaryotes D. Drosophila E. Yeast Choose the correct answer from the options given below: 1. C, Donly 2. A, B only 3. D only 4. D. E only

Satellite DNA Absent in

Q.37 Match List I with List II LIST I LIST II A. Recombination in Bacteria I. Transcription factor B. Clover leaf model II. snRNA C. Spliceosome III. Rec A protein D. Zinc-finger IV. t-RNA Choose the correct answer from the options given below: A-I, B-III, C-IV, D-II A-II, B-IV, C-III, D-I A-III, B-IV, C-II, D-I A-IV, B-III, C-I, D-II

Recombination in Bacteria to RecA Protein Guide

Q.36 Homologus chromosomes containing identical gene sites along their length called: l. Alleles 2. LOCI 3. Dialleles 4. Chiasmata

Homologous Chromosomes Identical Gene Sites

Q.35 Specialized chromosomes associated with larvae of some flies are called: I. Lampbrush chromosome 2. Metacentric chromosome 3. Polytene chromosome 4. Somatic Chromosome

Specialized Chromosomes in Fly Larvae

Q.34 Variations in chromosome number represented by 2n+1 in organisms are called: l. Monosomy 2. Diploidy 3. Trisomy 4. Disomy

Variations in Chromosome Number 2n+1

Q.33 Mutations occuring in cell other than genn cells are known as: l. Silent mutation 2. Somatic mutation 3. Missense mutation 4. Point mutation

Mutations in Non-Germ Cells

Q.32 Age pyramid having a bell-shaped polygon denotes: 1. Increasing population 2. Decreasing population 3. Stable population 4. Fluctuating population

Bell-Shaped Age Pyramid Meaning

Q.31 Match List I with List II LIST I LIST II A. Vigna unguiculata I. Black gram B. Phaseolus mungo II. Bengal gram C. Cicer arietinum III. Cow peas D. Phaseolus aureus IV. Green gram Choose the correct answer from the options given below: A-II, B-III, C-I, D-IV A-III, B-I, C-II, D-IV A-IV, B-II, C-III, D-I A-III, B-IV, C-II, D-I

Vigna unguiculata Phaseolus mungo Matching

Q.30 Sapodilla belongs to ________ family. Oxalidaceae Sapotaceae Caricaceae Vitaceae

Sapodilla Belongs to Sapotaceae Family

Q.29 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Cymbopogon citratus is known as citronella grass which is a native of Sri Lanka. Reason R: Citronella grass essential oil has significant amount of Citronellal and Geranoil content. besides Geranial and Bomeol. In the light of the above statements, choose the most appropriate answer from the options given below: 1. Both A and R are correct and R is the correct explanation of A 2. Both A and R are correct but R is NOT the correct explanation of A 3. A is correct but R is not correct 4. A is not correct but R is correct

Cymbopogon Citratus Citronella Grass Native Sri Lanka

Q.28 Given below are two statements: Statement I: Wild species of Dioscorea are used for the extraction of steroidal sapogenins which can be converted into cortisone. testosterone and oestrogen as well as progesterone. Statement II: The inflorescence of Colocasia esculenta is spadix with short pedunele which is shorter than the petiole. In the light of the above statements, choose the most appropriate answer from the options given below: l. Both Statement I and Statement II are correct 2. Both Statement I and Statement II are incorrect 3. Statement I is correct but Statement II is inconect 4. Statement I is incorrect but Statement II is con•ect

Dioscorea Steroidal Sapogenins and Colocasia Spadix

Q.27 Match List I with List II LIST I LIST II A. Osmunda I. Amphivasal vascular bundles B. Cucurbita II. Collateral vascular bundles C. Acorus III. Bicollateral vascular bundles D. Cassia IV. Amphicribral bundles Choose the correct answer from the options given below: A-III, B-I, C-II, D-IV A-I, B-II, C-IV, D-III A-II, B-IV, C-III, D-I A-IV, B-III, C-I, D-II

Vascular Bundles

Q.26 Vascular bundle, in which the primary xylem is bounded both to the inside and outside by strands of primary phloem, is known as: I. Collateral bundle 2. Bicollateral bundle 3. Amphivasal bundles 4. Amphicribral bundles

Vascular Bundle

Q.25 Fibers commonly formed in the secondary xylem of tension wood are termed: 1. Substitute fibers 2. Libriform fibers 3. Gelatinous fibers 4. Fiber tracheids

Fibers Secondary Xylem Tension Wood Gelatinous

Q.24 Match List I with List II LIST I LIST II A. WUSCHEL gene I. Stomata B. TOO MANY MOUTHS gene II. Vascular bundles C. GLABROUS gene III. Shoot Apical Meristem D. Wilted gene IV. Trichome Choose the correct answer from the options given below: A-I, B-IV, C-II, D-III A-II, B-III, C-I, D-IV A-III, B-I, C-IV, D-II A-IV, B-II, C-III, D-I

WUSCHEL Gene, TOO MANY MOUTHS, GLABROUS, Wilted

Q.23 Match List I with List II LIST I LIST II A. Lutoids I. Sieve elements B. Nacre wall II. Idioblast C. Cystolith III. Cork cambium D. Phelloid cell IV. Laticifers Choose the correct answer from the options given below: A-II, B-IV, C-III, D-I A-IV, B-I, C-II, D-III A-I, B-III, C-IV, D-II A-III, B-II, C-I, D-IV

Lutoids Nacre Wall Cystolith Phelloid Cell

Q.22 Match List I with List II LIST I LIST II A. Anthoceros I. Hornworts B. Sphagnum II. Maiden hair fern C. Adiantum III. Royal fern D. Osmunda IV. Peat moss Choose the correct answer from the options given below: A-I, B-IV, C-II, D-III A-I, B-II, C-IV, D-III A-IV, B-I, C-II, D-III A-I, B-II, C-III, D-IV

Anthoceros Sphagnum Adiantum Osmunda

Q.21 _____ has elaterophores present in the apical region of the capsule. Pellia Riccia Anthoceros Riccardia

Riccardia Has Elaterophores Present in

Q.20 Gradate sori can be seen in: Marsilea Selaginella Pteris Ophioglossum

Gradate Sori seen in

Q.19 Microspores are liberated at 5-celled stage of male gametophytes in: Pinus Cycas Ephedra Ginkgo

Microspores Liberated

Q.18 Among the fossils, well preserved leaf venation pattern can be seen in: Coal balls Incrustation fossils Compaction fossils Impression fossils

Fossils Well Preserved Leaf Venation Pattern

Q.17 Parasexual cycle brings variation in those fungi where sexual reproduction is absent. Arrange the following steps involved in the cycle sequentially: Multiplication of diploid nuclei. Formation of heterokaryotic mycelium and nuclear fusion. Sorting of diploid nuclei and occasional haploidization of diploid nuclei. Occasional mitotic crossing over. Sorting of new haploid strain. Choose the correct answer from the options given below: D, C, E, B, A A, D, C, E, B B, A, D, C, E A, B, C, D, E

Parasexual Cycle Steps Sequential Order

Q.16 Match List I with List II LIST I Name LIST II Organism A. Black wart disease of potato I. Synchytrium endobioticum B. Black Mould II. Achlya bisexualis C. Water Mould III. Aspergillus niger D. Blue or Green Mold IV. Penicillium chrysogenum Choose the correct answer from the options given below: A-IV, B-II, C-III, D-I A-III, B-I, C-IV, D-II A-II, B-IV, C-I, D-III A-I, B-III, C-II, D-IV

Black Wart Potato Synchytrium

Q.15 Aflatoxins are produced by: Aspergillus flavus Penicillium rubrum Cordyceps purpurea Claviceps purpurea

 Aflatoxins Produced by Aspergillus flavus

Q.14 A systematic study of recurrence of cereal rust in the plains of India was carried out by: Dr. P. Maheshwari Dr. K. C. Mehta Dr. P. C. Mehta Dr. Hargovind Khurana

 Systematic Study Cereal Rust Plains India

Q.13 An opportunistic fungal parasite that causes mycoses in animals: Candida albicans Neurospora crassa Tuber melanosporum Pilobolus

 Opportunistic Fungal Parasite

Q.12 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The chromosome is composed of heterochromatic terminal region called telomeres. Reason R: Telomeres are important part of a chromosome and are required during chromatid separation in cell cycle. In the light of the above statements, choose the most appropriate answer from the options given below: Both A and R are correct and R is the correct explanation of A Both A and R are correct but R is NOT the correct explanation of A A is correct but R is not correct A is not correct but R is correct

Telomeres Assertion Reason

Q.11 Eukaryotic ribosomes sediment in sucrose gradient with a sedimentation coefficient of: 100 S 90 S 80 S 150 S

 Eukaryotic Ribosomes Sedimentation

Q.10 Match List I with List II LIST I Botanical Name LIST II English Name A. Cucumis sativa I. Pumpkin B. Cucumis melo II. Melon C. Cucurbita pepo III. Cucumber D. Citrullus lanatus IV. Water melon Choose the correct answer from the options given below: A-IV, B-II, C-III, D-I A-III, B-II, C-I, D-IV A-I, B-II, C-III, D-IV A-II, B-III, C-I, D-IV

Cucumis sativa Cucumber

Q.9 Which of the following is true for Alternative Splicing? It increases the number of proteins that can be made from each gene. It is a step in the process of post-translational regulation. It can change the protein localization in the cell. It defines removal of alternative introns from the mRNA. It allows humans to produce several hundred thousand different proteins from 25,000 genes. Choose the correct answer from the options given below: B, D only B, C, D only A, C, E only A, E only

True Statements About Alternative Splicing

Q.8 Which of the following is true about Gibberellins? Gibberellins are terpenoid compounds, made up of isoprene units. GA12 is the precursor of all the other gibberellins. GA1 and GA3 are directly responsible for the various effects in plants. Size of seedless grapes can be increased by GA applications. Gibberellin biosynthesis can be inhibited by application of Auxins. Choose the correct answer from the options given below: A, B, D only C, D, E only A, B, C, E only B, C, D only

True Statements About Gibberellins

Q.7 Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Riboswitches are the small mRNA, which alter the expression of a gene. Reason R: Alternation of expression is due to high specificity of mRNA to a broad range of ligands. In the light of the above statements, choose the most appropriate answer from the options given below: Both A and R are correct and R is the correct explanation of A Both A and R are correct but R is NOT the correct explanation of A A is correct but R is not correct A is not correct but R is correct

Riboswitches Assertion Reason

Q.6 Match List I with List II LIST I Structure LIST II Name of organism A. Heterocyst I. Cladophora B. Cap cells II. Diatoms C. Frustule III. Blue green algae D. Aegagropilous forms IV. Oedogonium Choose the correct answer from the options given below: A-IV, B-III, C-I, D-II A-III, B-IV, C-II, D-I A-II, B-I, C-III, D-IV A-I, B-II, C-IV, D-III

Heterocyst Blue Green

Q.5 Match List I with List II LIST I LIST II A. Red rust disease of tea leaves I. Vaucheria B. Chlorellin II. Cephaleuros C. Gongrosira stage III. Chlorella D. Sea palm IV. Postelsia Choose the correct answer from the options given below: A-IV, B-I, C-III, D-II A-III, B-IV, C-II, D-I A-II, B-III, C-I, D-IV A-I, B-II, C-IV, D-III

Red Rust Disease of Tea Leaves

Q.4 Bacterial species showing several flagella at one pole are called: Monotrichous Lophotrichous Amphitrichous Peritrichous

Bacterial Species with Several Flagella

Q.3 Following are the common characteristic structural motifs of eukaryotic transcription factors, except: Helix-turn-helix (HTH) Zinc-finger TFIIB Basic leucine zipper (bZIP)

 Common Characteristic Structural Motifs

Q.2 Which algae shows fungus-like branched, coenocytic and siphonaceous thallus? Navicula Vaucheria Volvox Polysiphonia

Fungus-Like Branched Coenocytic Siphonaceous

Q.1 Reticulate type of chloroplast is a characteristic of which algae? Oedogonium Zygnema Chlamydomonas Vaucheria

Reticulate Type of Chloroplast

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ICMR JRF Life Science

ICMR JRF Life Science

If you are serious about cracking the ICMR Life Science JRF exam, Let’s Talk Academy is your ultimate destination. Join now and take the first step toward a successful research career!