Explore topic-wise InterviewSolutions in .

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.

201.

Flowers are Zygomorphic inA. DaturaB. MustardC. GulmohurD. Tomato

Answer» Correct Answer - C
202.

Butterfly shapped corolla, monocarpellary ovary and zygomorphic flowers are found in familyA. CaesalpinoideaeB. SolanaceaeC. Papilionaceae / FabaceaeD. Graminae

Answer» Correct Answer - C
203.

Most primitive and advanced families of dicots are respectivelyA. Solanaceae and AsteraceaeB. Leguminosae and PoaceaeC. Ranuculaceae and AsteraceaeD. Asteraceae amd Cucurbitaceae

Answer» Correct Answer - C
204.

Development of flowers on old stems is an example ofA. AnthesisB. PolycarpyC. AnthotaxyD. Cauliflory

Answer» Correct Answer - D
205.

Assertion : In syngenesious stamen, the filaments are fused and the ather are free Reason : In synandrous stamen, both filaments and anthers are fused.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 the assertion is false but reason is true

Answer» Correct Answer - D
In syngenesious condition when the stamens are united by their anthers only, the filaments remaining free. In synandrou, stamens are fused by both these filaments as well as anthers.
206.

Which of the given symborl represents epitepalous condition?A. B. C. D. `%`

Answer» Correct Answer - B
207.

Synandrous condition is fusion ofA. Filaments onlyB. Both filaments and anthersC. Anthers onlyD. Petals

Answer» Correct Answer - B
Synandrous condition is fusion of both filaments and anthers.
208.

Synandrous condition is fusion ofA. Filaments onlyB. Both filaments and anthersC. Anther onlyD. Petals

Answer» Correct Answer - B
Synandrous : Stamens are fused in the region of both there filaments abd anthers, e.g., Cucurbita, Luffa.
209.

Phyllode is found inA. AsparagusB. euphorbiaC. Australian AcaciaD. Opuntia

Answer» Correct Answer - C
Modified petiole is called phyllode present in Australian Acacia. Phyllodes develop usually vertically and possess fewer stomata hence, reduce transpiration.
210.

Flowers are Zygomorphic inA. gulmohurB. tomatoC. daturaD. mustard

Answer» Correct Answer - A
When a flower can be divided into two similar halves only in one particular vertical plane, it is called zygomorphic, e.g. bean, pea, gulmohur, Cassia, etc
211.

The most primitive and advanced type of placentations are , respectively ,A. Marginal and axileB. Superficial and axileC. Superficial and basalD. Parietal and basal

Answer» Correct Answer - C
212.

Aquatic plants haveA. floating rootsB. photosynthetic rootsC. reproducitve rootsD. sucking roots

Answer» Correct Answer - A
213.

Identify the plnat in which the roots hang in air and have spongy tissueA. orchidB. trapaC. tinosporaD. piper

Answer» Correct Answer - D
214.

A. Citrus and Ricinus have synandrous condition. B. In epitepalous condition, the cohesion occurs between tepal and filament of stamen. C. Tetradynamous condition consists of two long and four short stamen filaments.A. All are incorrectB. Only A is incorrectC. Only C is incorrectD. Only B is incorrect.

Answer» Correct Answer - A
215.

Floral formula of family fabaceae isA. B. C. D.

Answer» Correct Answer - A
216.

Consider the given statement regarding roots and choose the option having most correct statement I epiphytic roots are hygroscopic II climbing roots of ficus pumila secrete a gummy substance to stick to the support III roots are positively geotropic negatively phototropic and negatively hydrotopic IV cells of zone of elongation in a root loose their power to divide Choose the correct optionA. I II and IIIB. only IIC. I II and IVD. only III

Answer» Correct Answer - C
217.

Climbing roots are found inA. maizeB. phothosC. orchidD. jussiaea

Answer» Correct Answer - B
218.

The cohesion of stamens is shown by which one of the following conditions ?A. GynandrousB. GynostegiumC. SynogenesiousD. Epipetalous

Answer» Correct Answer - C
219.

Commissural stigma (Along carpellary cohesion plane) occurs in familyA. SolanaceaeB. LiliaceaeC. CruciferaeD. Fabaceae

Answer» Correct Answer - C
220.

Assertion : The position of mother axis with respect to the flower is repected by a dot on the top of the floral formula Reason : The fabaceae family was earlier called Leguminosae, a subfamily of family papilionoidae.A. If both assertion and reason are true and the reason is the correct explanation of the assertionB. If both assertion and reason are true but reason is not the correct explanation of the assertionC. If assertion is true but reason is falseD. If both assertion and reason are false

Answer» Correct Answer - D
The position of mother axis with respect to the flower is represented by a dot on the top of the floral diagram
The Fabaceae family was earlier called papilionoidae, a subfamily of family leguimonosae.
221.

The floral formula of solanaceae (Chilli) isA. B. C. D.

Answer» Correct Answer - A
222.

Which of the following flowers show heterostyleA. MirabillsB. HibiscusC. PrimroseD. Pisum

Answer» Correct Answer - C
The plants of some species in which flowers are dimorphic. Thus facilitate cross pollination. Some of them possess a long style but short stamens and are known as pin-eyed while other have short style known as pin-eyed while others have short style and long stamens. These are known as thrum-eyed. e.g., Primrose.
223.

Which of the following statements is/are true (A) It the stem is jointed with solid nodes and hollow internodes, it is called caudex (B) In Tridax the stem is decumbent (C) Corn is a condensed form of rhizome growing more or less in vertical direction (D) Sucker is an underground modification of stem (E) Biparous type of cymose branching is seem in Saraca.A. (A),(D) and (E) onlyB. (B) and (C) onlyC. (B), (C) and (E) onlyD. (C) and (D) only

Answer» Correct Answer - B
224.

Climbing roots occur inA. VanillaB. Piper betleC. Both (a) and (b)D. Taeniophyllum

Answer» Correct Answer - C
225.

The following diagrams A, B, C, D and E show the different types of arrangement of stamens based on the cohesion of their part in different plants. Assign the stamens to their respective plants. Choose the correct answer A. `{:(" A B C D E"),(" "underset("rosa-sinensis")("Hibiscus")" "underset("annus")("Helianthus")" "underset("pepo")("Cucurbita")" "underset("juncea")("Crotolaria")" ""Bombax ceiba"):}`B. `{:(" A B C D E"),(" "underset("rosa-sinensis")("Hibiscus")" ""Bombax ceiba"" "underset("pepo")("Cucurbita")" "underset("juncea")("Crotolaria")" "underset("annus")("Helianthus")):}`C. `{:(" A B C D E"),(" "underset("rosa-sinensis")("Hibiscus")" ""Bombax ceiba"" "underset("annus")("Helianthus")" "underset("pepo")("Cucurbita")" "underset("juncea")("Crotolaria")"):}`D. `{:(" A B C D E"),(" "underset("rosa-sinensis")("Hibiscus")" "underset("juncea")("Crotolaria")" ""Bombax ceiba"" "underset("annus")("Helianthus")" "underset("pepo")("Cucurbita")" ""):}`

Answer» Correct Answer - D
226.

Venation is a term used to describe the pattern of arrangement ofA. floral organsB. flower in inflorescenceC. veins and veinlets in a laminaD. all of them

Answer» Correct Answer - C
The arrangement of veins and veinlets on the lamina of a leaf is called venation. Venation is of three main types reticulate, parallel and furcate.
227.

Consider the following statements. (i)In Gynandropsis, Passiflora , etc., thalamus is elongated and shows well developed nodes and internodes. (ii)The floral buds in Agave, Allium , etc. , may sometimes get modified into vegetative buds or bulbils. (iii)Sepals are concerned with protection of flowers in bud condition and petals help to attract insects for pollination. (iv)Stamens and carpels serve as the male and female reproductive organs respectively. Which of the following combinations of above statements provides an evidence that flower is a modified shoot ?A. (i) and (ii)B. (ii) and (iii)C. (iii) and (iv)D. (i) and (iv)

Answer» Correct Answer - A
Flower is a modified shoot, which is divided into nodes and internodes like an ordinary vegetative shoot. However, since the flowering shoot is highly compressed, the distinction between nodes and internodes is lost. In Gynandropsis gynandra Passiflora, etc., thalamus is elongated and shows well developed nodes and internodes between the floral organs. The floral buds in Agave, Allium, etc., are modified into vegetative buds/bulbils. This shows reversion to the orginal structure, i.e., vegetative bud from which these have developed.
228.

Passiflora plants depicts aA. modified paical budB. madified axillary budC. modified nodeD. modifed leaf

Answer» Correct Answer - B
229.

The expression "gynoecium is apocarpous" imples that theA. Gynoecium comprises only one pistil which is found with the stamens .B. Gynoecium comprises more than one carpel which are freeC. Gynoecium comprises more than one carpel which are fused .D. Gynocium comprises only one carpel which is free .

Answer» Correct Answer - B
230.

See the following diagrams Which of the following is not correct about A,B,C and DA. A, B and C are underground roots but D grows vertically upwardsB. Pneumatophore is found in the plants that grow in sandy soilC. Pneumatophores help to get oxygen for respirationD. Tap roots of carrot, turnip and adventitous root of sweet potato, get swollen and store food

Answer» Correct Answer - B
231.

Phyllodes are observed inA. Pisum sativumB. Allium cepaC. Allium sativumD. Australian Acacia

Answer» Correct Answer - D
232.

Venation is a term used to describe the pattern of arrangement ofA. floral organsB. flower in inflorescenceC. veins and veinlets in a lamins aD. all of the above

Answer» Correct Answer - C
233.

Tendrils in Passiflora develop fromA. Apical rootsB. Apices of rootsC. Axillary budsD. Terminal buds

Answer» Correct Answer - C
234.

Tap root system I is always underground II is produced by the radicle fo the embryo III consists of a single primary root IV consist of roots forming a cluster Choose the correct optionA. I,II and IIIB. I and IIIC. I and IIID. only IV

Answer» Correct Answer - A
235.

Feathery stigma is calledA. PlumoseB. SpurC. StylopodiumD. Calyculus

Answer» Correct Answer - A
236.

See the folling diagrams and identify inflorescence A and B A. A -Cymose, B-CymoseB. A-Racemose, B-RacemoseC. A - Racemose, B-CymoseD. A - Cymose, B - Racemose

Answer» Correct Answer - C
237.

Identify the plant given below in which the leaves of adult plant are phyllodes while the seedling leaves are not reducedA. pountiaB. cleomeC. clematisD. austrialina acacia

Answer» Correct Answer - D
238.

Tendrils are found in the following plants . Identify whether they are stem tendrils of leaf tendrils. (a) Cucumber `" "` (b) Peas (c) Pumpkins `" "` (d) Grapevine (e) Watermelon

Answer» a, c, d and e have stem tendrils whereas leaf tendrils are present in pea.
239.

Tendrils are found in the following plants . Identify whether they are stem tendrils of leaf tendrols. (a) Cucumber `" "` (b) Peas (c) Pumpkins `" "` (d) Grapevine (e) Watermelon

Answer» (a) Cucumber (Cucums sativus), have stem tendril from axillary bud.
(b) Peas (Pisum sativum) leaf gets modified into tendril for climbing.
(c) Pumpkins (Cucurbita pepo) , stem tendril from axillary bud.
Grape wine (Vitis), stem tendril from axillary bud.
Water melon (Citrullus lanatus ), stem tendril from axillary bud.
240.

In Passiflora, the tendrils are modifiedA. Axilary budsB. Upper leafletsC. Whole leavesD. Stipules

Answer» Correct Answer - A
The axillary bud or terminal bud may modify to form tendrils which are specially called stem tendrils e.g., Passiflora.
241.

Gynandrous condition meansA. Adhesion of stamens and carpelsB. Cohesion of stamensC. Stamens united by filamentsD. Free stamens

Answer» Correct Answer - A
242.

Match the columns I and II, and choose the correct combination from the options given A. a-2,b-3,c-4,d-1B. a-4,b-2,c-3,d-2C. a-2,b-4,c-3,d-1D. a-3,b-1,c-2,d-4

Answer» Correct Answer - C
`{:("a.","Septa are absent",2.,"Dianthus"),("b.","False septum",4.,"Mustard"),("c.","Multilocular ovary",3.,"Tomato"),("d.","Single ovule",1.,"Sunflower"):}`
243.

Many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundant,radish,gram and turnip have stamens with different in their flowersA. SixB. ThreeC. FourD. Five

Answer» Correct Answer - C
244.

Assertion : Human travellers also disperse seeds and fruits Reason : Generally seeds of economically important crops are introduced to new areas.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 the assertion is false but reason is true

Answer» Correct Answer - B
Human travellers have always taken plants from one area to another. Potato was brought from New World by the Portuguese. Many economically important crops and plants such as maize, tobacco, groundnut, chillies, tea, cabbage,cauliflower, rubber etc. are dispersed by man, as they have been introduced to new areas from their orginal home. However, many weeds are also dispersed along with useful plants.
245.

_________ are modified to form tendrils in cucumberA. Terminal budsB. Axiliary budsC. ThronsD. More than one option is correct.

Answer» Correct Answer - B
246.

The stem tendrils are modified extra axillary branches in I Cucurbita II Opuntia II Luffa IV Nerium Choose the correct optionA. only IB. I and IIC. III and IVD. I , II and III

Answer» Correct Answer - A
247.

Tendrils modified form leaflets are not found inA. lathyrus aphaaB. lathyrus odoaratusC. pisum sativumD. both b and c

Answer» Correct Answer - A
248.

Which of the following plants has the floral characters like zygomorphic flower, vexillary aestivation, diadelphous androecium and marginal placentation.A. PisumB. BelladonnaC. BrinjalD. Asparagus

Answer» Correct Answer - A
249.

Which of these is an example for zygomorphic flower with imbricate aestivation ?A. CannaB. CassiaC. CucumberD. Calotropis

Answer» Correct Answer - B
250.

Assertion : Ginger has a prostrate-growing rhizome Reason : Shoot growth is not effected by gravity.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 - B
Ginger is horizontal in position and generally branched and producing aerial leaves or shoots aboveground and adventitious roots on lower side in favourable season. Thus shoot growth is not effected by gravity.