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601.

Roots are absent inA. MyriophyllumB. CeratophylumC. Utriculaira and WolffiaD. All of these

Answer» Correct Answer - D
602.

Identify the correctly matched pairA. modification of stem - corm of clocosiaB. cladode - opunitaC. thick and woody twiners - creepersD. liansas - aretic region

Answer» Correct Answer - A
603.

If a primay root continues to grow, the type of root system will be known asA. TapB. StiltC. SecondaryD. Fibrous

Answer» Correct Answer - A
Primary root continues to grow and form root system called tap.
604.

Stilt roots which grow obliquely from basal nodes of culum stem and acting as brace are found inA. SorghumB. MaizeC. SugarcaneD. All of these

Answer» Correct Answer - D
605.

Match column I with column II and select the correct option from the given codes. `{:("Column I",,"Column II"),("(Type of fleshy taproot)",,"(Example)"),("(A). Conical",,"(i) Brassica rapa"),("(B). Fusiform",,"(ii) Dauscus carota"),("(C). Napiform",,"(iii) Raphanus Sativus"),("(D). Tuberous ",, "(iv) Mirabilis jalapa"):}`A. A-(ii),B-(iii),C-(i),D-(iv)B. A-(iii),B-(ii),C-(i),D-(iv)C. A-(ii),B-(i),C-(iii),D-(iv)D. A-(ii),B-(iii),C-(iv),D-(i)

Answer» Correct Answer - A
606.

Monocot plants are characterized by the presence ofA. Tap rootsB. Fibrous rootsC. Annulated rootsD. Stilt roots

Answer» Correct Answer - B
607.

Choose the incorrect matched pair form the following match pairsA. discorea - bulbilB. ruscus - phylloclad eC. centerlla asiatca -runnerD. narclissue - stem thorns

Answer» Correct Answer - B
608.

Identify the correctly matched pair of leafA. partipinnate - cassiaB. decompound - roseC. triinnate acaciaD. imparipinnate ocriander

Answer» Correct Answer - A
609.

Select the group of plants that posess stilt roots.A. Zea mays, Rhizophora mangalB. Pandanus odoratissimus, Ficus benghalensisC. Rhizophora mangal, Hedera helixD. Ficus benghalensis, Pisum sativum

Answer» Correct Answer - A
610.

If a primay root continues to grow, the type of root system will be known asA. SecondaryB. FibrousC. TapD. Stilt

Answer» Correct Answer - C
611.

Find the incorrect matchA. Tap root : CarrotB. Adventitious root : Sweer potatoC. Prop root : Banyan treeD. Stilt root : Turnip

Answer» Correct Answer - D
612.

Which of the stipule type does not match with the example of plantA. foliaceous - sweet peaB. free lateral hibiscusC. interpetilar - morindaD. andate - ziz yplhus

Answer» Correct Answer - D
613.

Choose incorrect match pair form given pairsA. anthocephaus - interpetioler stiplulesB. lathyrus - foliaceous stiplusesC. polygornum - ochreate stipluesD. acacia - tendrilla rstipules

Answer» Correct Answer - D
614.

Root cap is largest inA. BanyanB. PandanusC. JussiaeaD. Maize

Answer» Correct Answer - B
615.

Read the given statements and select the correct option. Statement-1: Root cap protects the root meristem from the frition of the soil and its outer cells are continously replaced by newer ones. Statemnent 2 : The effect of the coil-friction damages the outer cells of root cap which are peeled off and replaced by new cells produced by root meristem.A. Both statements 1 and 2 are correct.B. Statement 1 is correct but statement 2 is incorrect.C. Statement 1 is incorrect but statement 2 is correct.D. Both statement 1 and 2 are incorrect.

Answer» Correct Answer - A
616.

The function of root cap isA. food storageB. formation of new cellsC. protectionof root tip meristemD. water and mineral absorption

Answer» Correct Answer - C
617.

Which of the following matched pair correctly depicts a stipule type and its exampleA. spinous - similaxB. tendrilla r- acciaC. ochreate - polygonumD. adnate - pisum

Answer» Correct Answer - C
618.

Study the given fugure that depicts a stem modification and identify the missink links A,B C and D by selecting the correct optionA. internode sucker tap root green leafB. node runner fibroius advetntius scale leafC. spiners runner tap root gren leafD. node stolen adventitious roots internode

Answer» Correct Answer - B
619.

Name two plants with multiple root cap?A. mirabilis daucusB. avicennia ceripsC. phasennia ceripsD. panadanus and lemna

Answer» Correct Answer - D
620.

Which of the following features corrrectly depicts root?A. presence of nodesB. positvely hydrotroipicC. positively phototropicD. negatively geotropic

Answer» Correct Answer - B
621.

Which of the following aestivation involves non-uniform overlapping of petals?A. ValvateB. TwistedC. ImbricateD. Contorted

Answer» Correct Answer - C
622.

On the basis of life span angiosperms are divided in toA. monocarpic and polycarpic plantsB. climbers trailers and creepersC. annuals beinnials and perennial sD. herbs shrubs and trees

Answer» Correct Answer - C
623.

Flower in angiospermsA. Is a modified reproductive shootB. Possess different floral appendages at successive nodesC. Have floral appendages which are modified leavesD. More than one option is correct.

Answer» Correct Answer - D
624.

Which one of the following stateme its is correct ?A. The seed in grasses is not endospermic.B. Mango is a parthenocarpic fruit.C. A proteinaceous aleurone layer is present in maize grain.D. A sterile pistil is called a staminode.

Answer» Correct Answer - C
625.

In fabaceae, one of the following immediately encloses the essential organsA. Anterior petalsB. Posterior petalsC. Lateral petalsD. Sepals

Answer» Correct Answer - A
In fabaceae, anterior petals (Keel) immediately enclose the essentialj organs.
626.

Reticulate and parallel venation are the characteristic of …… and …….. Respectively.

Answer» Dicot leaf, monocot leaf.
627.

Some features of plant leaves areA. hair on the lower surfae and way cuticleB. hair on the upper surface and no cuticleC. pidermis without stomataD. the persence of endodermis and casparian stripes

Answer» Correct Answer - A
628.

Thorns and spines are -A. Respiratory organsB. Excretory organsC. Organs of offenseD. Defensive organs

Answer» Correct Answer - D
629.

The scientific name of black mustard isA. Brassica campestrisB. B. rapaC. B. JunceaD. B. nigra

Answer» Correct Answer - D
630.

Tetradynamous condition occurs inA. CruciferaeB. MalvaceaeC. SolanaceaeD. Liliaceae

Answer» Correct Answer - A
631.

The scientist name of black mustard isA. Brassica campestrisB. B. rapaC. B. JunceaD. B. nigra

Answer» Correct Answer - D
632.

Tetradynamous stamens are found inA. MalvaceaeB. SolanaceaeC. CruciferaeD. Liliaceae

Answer» Correct Answer - C
Tetradynamous stamens refer to four long and two short stamens arranged in a flower, e g. members of Cruciferae (Brassica).
633.

_______are the green stems of limited growth which have taken over the function of photosynthesis form leaves.A. PhyllocladesB. CladodesC. PhyllodesD. Stem thorns

Answer» Correct Answer - B
Cladodes (cladophylls) are green stems of limited growth (usually one internode long), which have taken over the function of photosynthesis from the leaves. It is an adaptation to reduce water loss. The true leaves are reduced to scales or spines, e.g., Asparagus and Ruscus.
634.

What is imbricate aestivation ?

Answer» Out of the five sepals or petals, one external, one internal, and other three are partly external and partly internal.
635.

Find the corret matchA. Mustard plant : leaves are oppositeB. Mustard plant : leaves are alternateC. Guave plant : Leaves are alternateD. Guava plant : Leaves are whorled

Answer» Correct Answer - B
636.

Finely dissected leaves occur inA. Free floating plantsB. Rooted floating leaved plantsC. Submerged plantsD. Emerged plants

Answer» Correct Answer - C
637.

Among the following finely dissected leaves are found inA. free floating plantsB. submerged hydrophytesC. emerged hydrophytesD. all of the above

Answer» Correct Answer - B
638.

Capitulum is found in the members of the familyA. RanunculaceaeB. SolanaceaeC. AsteraceaeD. Labiatae

Answer» Correct Answer - C
639.

Match List `I` with List `II` and select the correct option `{:(,"List I",,"List II"),("A.","Spike",1.,"Bougainvillea"),("B.","Capitulum",2.,"Coleus"),("C.","Dichasial cyme",3.,"Adhatoda"),("D.","Multiparous cyme",4.,"Zinnia"),("E.","Verticillaster",5.,"Asclepias"):}`A. A-3,B-4,C-1,D-5,E-2B. A-3,B-1,C-4,D-5,E-2C. A-2,B-4,C-1,D-5,E-3D. A-4,B-2,C-5,D-1,E-3

Answer» Correct Answer - A
640.

Parianth and bractsa are pointed in the fruits ofA. boerhaaviaB. achyranthesC. andropogaonD. plumbago

Answer» Correct Answer - B
641.

The outermost layer of scutellum is calledA. hypotheciumB. peritheciumC. epitheciumD. epithelum

Answer» Correct Answer - D
642.

The fruit commonly occuriring in the members of family asteracesae isA. lomentumB. acheneC. cyselaD. drupe

Answer» Correct Answer - C
643.

Ovary in Solanaceae isA. bicarpellary, syncarpus, superiorB. monocarpellary, syncarpous, superiorC. tricarpellary, syncarpous, superiorD. multicarpellary, syncarpous, superior

Answer» Correct Answer - A
644.

Ripened ovary form the inedible core in the fruit ofA. mangifera indicaB. psidium guavaC. cocos muciferaD. pyrus malus

Answer» Correct Answer - D
645.

Which of the following represents the edible part of the fruit of Litchi -A. arilB. cotyledonsC. mesoacrpD. endocarp

Answer» Correct Answer - A
646.

Assertion : The flowers of Hypanthodium are never exposed Reason : Hypanthodium flowers are bisexual.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false

Answer» Correct Answer - C
Hypanthodium has a flask - shaped fleshy receptacle which posseses narrow cancal and a terminal pore at one end. Intemally the receptacle bears male flowers towards the pole and female flowers towards the pole and female flowers towards the base. Sterile, neuter or gall flowers occur in between the two groups.
647.

Define phyllotaxy.

Answer» The mode of arrangement of leaves on the stem and its branches is called phyllotaxy.
648.

Why is the leaf of Bombax categorised as palmately compound multifoliate leaf?

Answer» In Bombax (Red silk cotton, vern. Simbal), the petiole bears five or more leaflets at the tip like the fingers of the palm. Therefore, it is categorised as palmately compound niultifoliate leaf.
649.

Reticulate venation is a characteristic of dicots. An exception to this generalisation isA. CalophyllumB. FicusC. HibiscusD. Zizyphus.

Answer» Correct Answer - A
In reticulate venation, the veinlets form a reticulum or network. Reticulate venation is found in dicots except Calophyllum, Corymbium, Eryngium, etc.
650.

Parallel venation is a characteristic of monocots. Which of the following is an exception to this generalisation ?A. SmilaxB. ColocasiaC. AlocasiaD. All of these

Answer» Correct Answer - D
In case of parallel venation, the veins run parallel to each other and network is not formed. This type of venation is the characteristic feature of monocots. There are few exceptions, e.g., Smilax, Colocasia, Alocasia, Dioscorea, etc.