Plant Morphology-I (Root, Stem and Leaf)- NEET Practice bits 2

(41) Which is not the function of a stem?

(A) Bidirectional conduction of food

(B) Bidirectional conduction of mineral-water

(C) Provides support to different organs

(D) Arrangement of different organs

(42) In which type of branching plant becomes conical or pyramidal shape ?

(A) Dichotomous

(B) Cymose - Helicoid

(C) Racemose

(D) Cymose – Multiparous

(43) How Dichotomous branching differs from Biparous branching?

(A) In Dichotomous, apical bud divides in to two branches.

(B) In Dichotomous, two branches are formed from axillary bud.

(C) Dichotomous and biparous branching are of same type.

(D) Dichotomous present in Palm and biparous present in vitis.

(44) Bulbil means...

(A) Food storing floral bud

(B) Food storing Apical bud

(C) Food storing axillary bud

(D) All of the given

(45) Why leaves are deciduous in plants having phylloclades?

(A) To protect against Herbivory animals

(B) To reduce rate of transpiration

(C) Reproduction by leaves

(D) All of the given

(46) How many plants shows thorn to gain protection against herbivorous animals? Carrisa, Muehlenbeckia, Lawsonia, Passion flower, Pomegranate, Acacia, Zizyphus, Dioscorea

(A) 3

(B) 5

(C) 6

(D) 2

(47) Offset means ......... .

(A) Above ground and obliquely develops branch which comes in contact with soil

(B) Above ground branch and develops parallel to soil

(C) Above water surface branch and develops horizontally

(D) Underground branch develops parallel to soil

(48) Which pair is mis-matched?

(A) Potato-Rhizome

(B) Mint-Runner

(C) Muehlenbeckia-Flower bud

(D) All of the given

(49) Which modification of stem for protection is not considered actually modification for stem ?

(A) Bifid thorn of carrisa

(B) Thorn of Pomegranate

(C) Prickles of Rose

(D) None of the given

(50) Where does food stored in Amorphophallus ?

(A) Only in one node

(B) Only in one internode

(C) Only in one apical bud

(D) Through out whole stem

(51) What is true for thorn of Lawsonia ?

(A) It is uniparous and develops from apical bud

(B) It is biparous and develops from apical bud

(C) It is biparous and develops from axillary bud

(D) It is uniparous and develops from axillary bud

(52) Ginger, although underground, but is not root. Because...

(A) It bears scaly leaves and buds on it

(B) It stores food and becomes fleshy

(C) It stores food and perform vegetative reproduction

(D) It is completely unbranched

(53) Which characteristic is not of Muehlenbeckia ?

(A) Its stem is green and flat

(B) It bears deciduous leaves to reduce transpiration

(C) Both (A) and (B)

(D) None of the given

(54) How many plants shows tendrils ? Croton, Passion flower, Dioscorea, Cucurbita, Muehlenbeckia, Pandanus, Bittergourd, Nepenthus

(A) 8

(B) 5

(C) 3

(D) 4

(55) 'Rhizome' and 'Eye' are present respectively in which plants ?

(A) Turmeric, Potato

(B) Ginger, Amorphophallus

(C) Potato, Ginger

(D) Amorphophallus, Potato

(56) Which examples are correct as their thorn bears leaves ?

(A) Acacia - Zizyphus

(B) Lawsonia-Pomegranate

(C) Opuntia - Agave

(D) Carrisa – Lawsonia

(57) 'Stolon' shows which type of modification ?

(A) Food storage and vegetative propagation

(B) Climbing and vegetative propagation

(C) Vegetative propagation

(D) Protection and vegetative propagation

(58) How many plants shows double modifications ? Dioscorea, Muehlenbeckia, Croton, Nepenthus, Carrisa, Pandanus

(A) 1

(B) 2

(C) 3

(D) 5

(59) Which is not function of decussate leaf ?

(A) Gaseous exchange

(B) Mechanical support

(C) Food-production

(D) Food-storage

(60) In which plant, leaf base covers the inter-node ?

(A) Lemon

(B) Acacia

(C) Moringa

(D) Maize

(61) Which structure forms skeleton of leaf-blade ?

(A) Phyllotaxy

(B) Venation

(C) Petiole

(D) Leaf-base

(62) Which option is true for venation ?

(A) In maize, parallel venation is present

(B) In sunflower, Reticute venation is present

(C) Multicostate venation can be divided into convergent and divergent type

(D) All of the given

(63) What is main aim of petiole for leaf ?

(A) Skeleton formation for leaf

(B) Helps in function of leaf-blade

(C) Arrange leaf-blade

(D) Keeps leaf-blade erect

(64) Which pair is not matched ?

(A) Mustard - opposite to superimposed phyllotaxy

(B) Alstonia - whorled phyllotaxy

(C) Calotropis - opposite decussate phyllotaxy

(D) Hibiscus - Alternate phyllotaxy

(65) Which option is true for phyllotaxy of Guava ?

(A) Alternate

(B) Opposite superimposed

(C) Opposite deccusate

(D) Whorled

(66) Which option is correct for a plants, whose node forms more than two leaves ?

(A) Red-oleander-whorled

(B) Mustard-Alternate

(C) Calotropis-opposite deccusate

(D) Guava-opposite superimposed

(67) Which character is not applicable to leaf ?

(A) It arises from node

(B) It is green, flat and broad

(C) It has infinite life-span and growth

(D) None of the given

(68) Whose function is to connect leaf to node ?

(A) Leaf-base

(B) Stipule

(C) Petiole

(D) Lamina

(69) Which is the mode of nutrition in Utricularia plant ?

(A) Autotrophic

(B) Insectivory

(C) Parasitic

(D) Saprophytic

(70) Which content is comparative in high amount in insectivory plants ?

(A) Lipid

(B) Protein

(C) Carbohydrates

(D) All of the given

(71) Phyllode is modification for...

(A) Protection

(B) Photosynthesis

(C) Support and climbing

(D) None of the given

(72) Which two modifications are present in Pea plant ?

(A) Insectivory - Reproduction

(B) Reproduction - Climbing

(C) Food Storage - Protection

(D) Photosynthesis – Climbing

(73) What is correct for Bignonia ?

(A) Petiole becomes flat and performs photosynthesis

(B) Stipules modified into spines for protection

(C) Apical leaflets transform into tendrils for climbing

(D) Stipules transforms into tendrils for climbing

(74) Which option (pair) is correct ?

(A) Pea - Stipules for climbing

(B) Gloriosa - Leaf for protection

(C) Bignonia - petiole for climbing

(D) Smilax - Stipules for climbing

(75) Which option is incorrect for Agave ?

(A) Leaf apex is transformed into spine to protect against grazing animal

(B) Floral bud is transformed into Bulbil for reproduction

(C) Axillary bud is transformed into tendril for climbing

(D) None of the given

(76) Which is tunicated bulb ?

(A) Sweet potato

(B) Dahlia

(C) Onion

(D) Amorphophallus

(77) In which plant, foliaceous stipules are present ?

(A) Pea

(B) Muehlenbeckia

(C) Dioscorea

(D) Australian acacia

(78) In which plant concentric leaves and food is stored in leafbase ?

(A) Amorphophallus

(B) Onion

(C) Dahlia

(D) Garlic

(79) Which pair is true ?

(A) Lemon - Unipinnate compound leaf

(B) Balanites - Bipinnate compound leaf

(C) Aegle - Bifoliate palmate compound leaf

(D) Moringa - Multipinnate compound leaf

(80) Which pair is not matched ?

(A) Caesalpinia - Bipinnate compound leaf

(B) Acacia - Multipinnate compound leaf

(C) Bombax - Multifoliate palmate compound leaf

(D) Cassia - Unipinnate compound leaf

(81) In which plants, more than two leaflets are present on the tip of midrib ?

(A) Bombax

(B) Lemon

(C) Balanites

(D) Moringa