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851.

Seed develops fromA. Embryo axisB. OvuleC. Embyo sacD. Ovary

Answer» Correct Answer - B
852.

Stem develops from ________ of the embryo of a germinating seed.A. RadicleB. PlumuleC. PedicelD. Pneumatophore

Answer» Correct Answer - B
853.

A plant bearing solitary inflorescence isA. Hibiscus rosa sinensisB. Salvia officinalisC. TulsiD. Sunflower

Answer» Correct Answer - A
854.

Inflorescence in Musa paradisiaca (banana) is aA. Catkin ?B. CorymbC. Compound spadixD. Capitulum

Answer» Correct Answer - C
Compound spadix is found in banana.
855.

Fibrous root system of wheat develops fromA. RadicleB. Base of stemC. Lateral rootsD. Plumule

Answer» Correct Answer - B
Fibrous root system of wheat develops from base of stem.
856.

Marginal placentation is found inA. SolanaceaeB. CruciferaeC. Fabaceae/LegumonosaeD. Asteraceae/Compositae

Answer» Correct Answer - C
Marginal placentation is found in Fabaceae/Leguminosae.
857.

Leaves are modified into spines inA. OnionB. Silk cottonC. OpuntiaD. Pea

Answer» Correct Answer - C
Leaves become modified into spines in Opuntia.
858.

An aspect of flower shown in floral formula but not in floral diagramisA. Position of ovaryB. Floral symmetryC. AestivationD. Cohesion of floral parts

Answer» Correct Answer - A
An aspect of flower shown in floral formula but not in floaral diagram is position of Ovary.
859.

The characteristic type of placentation found in the members of caryophyllaceae isA. ParietalB. MarginalC. BasalD. Free central

Answer» Correct Answer - D
860.

Define cymose inflorescence.

Answer» Correct Answer - 1
The inflorescence in which the main axis (peduncle ) terminates into a flower and hence has a limited growth is called cymose inflorescence.
861.

What are epigynous flowers? Give example

Answer» Correct Answer - 3
The flower in which the margin of the thalamus fuses with the ovary and the thalamus fuses with the ovary and the thalamus grows upwards enclosing the ovary completely, while the other parts of the flower arise above the ovary are called epigynous flowers.
862.

Define appocarpous and syncarpous condition.

Answer» Correct Answer - 2
When the carpels are free then it is said to be apocarpous and when the carpels are fused then it is said to be syncarpous.
863.

Supporting roots coming out of the tower nodes of the sugarcane stem are calledA. Prop rootsB. Stilt rootsC. PneumatophoresD. Fusiform roots

Answer» Correct Answer - B
864.

In Rhizophora, roots are modified to formA. Tuberous rootsB. PneumatophoresC. Stilt rootsD. Storage roots

Answer» Correct Answer - B
865.

The hanging structures that suppor tbanyan tree are calledA. Prop rootsB. Stilt rootsC. PneumatophoresD. Root hair

Answer» Correct Answer - A
866.

Which one does not exhibit seed dormancy ?A. PhaseolusB. RhizophoraC. CassiaD. Xanthium

Answer» Correct Answer - B
867.

Single -seeded fruit develops fromA. Tricarpellary ovary B. Bicarpellary syncarpous ovaryC. Multicarpellary syncarpous ovaryD. Pistil having single ovule

Answer» Correct Answer - B
868.

Seeds without fertilization is obtained fromA. ApogamyB. AposporyC. SyngenesiousD. Parthenocarpy

Answer» Correct Answer - D
869.

Single -seeded fruit develops fromA. Tricarpellary ovaryB. Bicarpellary syncarpous ovaryC. Multicarpellary syncarpous ovaryD. Pistil having single ovule

Answer» Correct Answer - B
870.

Coleoptile representsA. Covering of radicalB. Covering of cotyledonC. Covering of plumuleD. Synonym of plumule

Answer» Correct Answer - C
871.

Phylloclade is found inA. Opuntia, Casuarina, EuphorbiaB. only CactiC. Cacti, AsparagusD. Opuntia and Ruscus

Answer» Correct Answer - A
872.

Phylloclade is found inA. ChrysanthemumB. AsparagusC. RuscusD. Opuntia

Answer» Correct Answer - D
Phylloclade is found in Opuntia.
873.

Which of the family does not possess axile placentationA. SolanaceaeB. MalvaceaeC. Leguminosae/CruciferaeD. Liliaceae

Answer» Correct Answer - C
Leguminosae family possess marginal and Cruciferae possess parietal placentation.
874.

Phyllotaxy isA. Mode of leaf arrangement on stemB. Types of rootsC. Arrangement of sepals and petals in a flowerD. Type of ovary.

Answer» Correct Answer - A
Phyllotaxis is mode of leaf arrangement on stem.
875.

Phylloclades areA. Leaf modificationB. One inernode long stemsC. Modified petiolesD. Green succulent stems of indefinite growth

Answer» Correct Answer - D
Phylloclades are green succulent stems of indefinite growth.
876.

Cruciferae differ from Malvaceae in the presence ofA. Bicarpellary unilocular overy and siliqua fruitB. Multicarpellary multilocular ovary and capsule fruitC. Monocarpellary, multilocular ovary with capsule fruitD. Multicarpellary unilocular ovary and cypsella fruit

Answer» Correct Answer - D
`{:("Parietal Ex.-Mustard"),("Free central Ex. - Primula and Dianthus"),("Marginal Ex.Pea"),("Axile Ex. - Tomato, lemon,Chinoarose"):}`
877.

Compare the columns and find out the correct combination. A. (a) `to` (iv) , (b) `to` (v) , ( c) `to` (ii) , (d) `to` (i)B. (a) `to` (iii) , (b) `to` (v) , ( c) `to` (iv) , (d) `to` (i)C. (a) `to` (iii) , (b) `to` (v) , ( c) `to` (i) , (d) `to` (iv)D. (a) `to` (v) , (b) `to` (iii) , ( c) `to` (iv) , (d) `to` (ii)

Answer» Correct Answer - B
878.

Identify the wrong statement .A. A plant that bears male , female and bisexual flowers is polygamousB. Actinomorphic flowers can be dissected into two equal halves from any plane .C. Superior ovary is found in hypogynous flowers .D. Side of the flower towards the bract is called posterior side .

Answer» Correct Answer - D
879.

A flower with five unequal petals has largest posterior petal , two lateral slighly small petals and two anterior petals partially fused to form a boat-shaped structure . Which is not correct for such a flower ?A. Descending imbricate aestivationB. Odd sepal anteriorC. Piston mechanism of pollinationD. Many carpels

Answer» Correct Answer - D
880.

Compare the columns and find out the correct combination. A. (a) `to` (iv) , (b) `to` (v) , ( c) `to` (ii) , (d) `to` (i)B. (a) `to` (iii) , (b) `to` (v) , ( c) `to` (iv) , (d) `to` (i)C. (a) `to` (iii) , (b) `to` (v) , ( c) `to` (i) , (d) `to` (iv)D. (a) `to` (v) , (b) `to` (iii) , ( c) `to` (iv) , (d) `to` (ii)

Answer» Correct Answer - B
881.

Succulent stem is found inA. PisumB. CasuarinaC. EuphorbiaD. Oxalis

Answer» Correct Answer - C
Succulent stem occurs in Euphorbia.
882.

Staminodes occur in familyA. Papilionaatae/ArachisB. Malvaceae/HibiscusC. Caesalpinoindeae/CassiaD. Cruciferae/Iberis

Answer» Correct Answer - C
Under - developed, sterile stamens non-functional that no not produce pollens, e.g., Salvia, Cassia.
883.

The feather like stigma of grasses is known asA. capitateB. plumoseC. discoldD. bifid

Answer» Correct Answer - B
884.

The condition of anthers open towards centre to dehisce isA. introrseB. extroreseC. poroiusD. transverse

Answer» Correct Answer - B
885.

Usually, the whorl in a flower that attracts insects and protects the essential parts isA. corallaB. calyxC. androeciumD. gynoecium

Answer» Correct Answer - C
886.

When all floral whoris are found in a particlular number or its multiple the flower is known asA. icomorouc flowerB. dichlamydeous flowerC. perigynous flowerD. achymadeous flower

Answer» Correct Answer - A
887.

Edible part of coconut isA. EndocarpB. MesocarpC. ArilD. Seed/endosperm

Answer» Correct Answer - D
888.

Edible part of mango isA. PericarpB. MesocarpC. PomeD. Epicarp

Answer» Correct Answer - B
889.

Which of the following is the edible part of the mango?A. EpicarpB. MesocarpC. EndocarpD. Seed

Answer» Correct Answer - A
890.

While representing a floral formula. G stands forA. Epigynous flowerB. Superior ovaryC. inferior ovaryD. Androecium

Answer» Correct Answer - B
891.

Assertion : Soyabean is the source of both pulse and edible oil Reason : Solyabean belongs to the family which is distributed all over the world.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 - B
Soyabean is the source of both pulse and edible oil
Soyabean belongs to the family Fabaceae which is distributed all over the world.
892.

Distinguish between epipetalous and epiphyllous stamens.

Answer» Epipetalous stamen: When a stamen is attached to the petals, then it is called epipetalous.
893.

Assertion:Monoadelphous stamens are found in pea. Reason:In pea, stamens are united into one bunch or one bundle.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. If both assertion and reason are true but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If assertion and reason are false.

Answer» Correct Answer - D
In pea, stamens are united into two bundles, i.e., diadelphous condition.
894.

The megasporangium of the angiosperms on maturation gives rise toA. A fruitB. SeedC. An embryoD. Cotyledons

Answer» Correct Answer - B
Seed is a fertilized and ripened ovule (mature integumented megasporangium) found in phanerogams (spermarophytes)
895.

Select the wrong statementA. Persistent calyx is seen in SolanaceaeB. Flower are hypogynous in AsteraceaeC. Santonin is obtained from ArteraceaeD. In poaceae, perianth is represented by membranous scales called lodicules

Answer» Correct Answer - B
896.

Assertion:Leaves of monocot plants generally posses reticulate venation. Reason:Leaves of dicot plants generally, possess parallel venation.A. If both assertion and reason are true and reason is the correct explanation of assertion.B. If both assertion and reason are true but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If assertion and reason are false.

Answer» Correct Answer - D
Leaves of discotyledonous plants generally possess reticulate venation, while parallel venation is the characteristic feature of most monocotyledons.
897.

A monocot showing reticulate venation isA. BombusaB. SmilaxC. CallophyllumD. Ginkgo

Answer» Correct Answer - B
898.

What is phyllode ? Give one example of it.

Answer» Petioles or rachis modified into leaf-like structures are called phyllodes. Example-Parkinsonia.
899.

Edible part of Apple isA. MesocarpB. CalyxC. ThalamusD. Pericarp

Answer» Correct Answer - C
900.

Given figure represents a drupe of mango. Select the option that correctly identifies A, B, C and D A. `{:(" (A)"," (B)"," (C)"," (D)"),("Pericarp","Epicarp","Mesocarp","Endocarp"):}`B. `{:(" (A)"," (B)"," (C)"," (D)"),("Epicarp","Mesocarp","Endocarp","Seed"):}`C. `{:(" (A)"," (B)"," (C)"," (D)"," (E)"),("Mesocarp","","Epicarp","Endocarp","Seed"):}`D. `{:(" (A)"," (B)"," (C)"," (D)"," (E)"),("Epicarp","","Mesocarp","Seed","Endocarp"):}`

Answer» Correct Answer - B