Question No:1
Root pockets are found in root of :
(A) Orchids
(B) Piper
(C) Eichhornia
(D) Mirabilis
Question No:2
Roots that hold branches in banyan trees are
(A) Stilt roots
(B) Prop roots
(C) Clinging roots
(D) Hygroscopic roots
Question No:3
Chloroplasts are found in roots of :
(A) Eichhornia
(B) Hydrilla
(C) Nelumbo
(D) Tinospora
Question No:4
Rhizophora produces pneumatophores for :
(A) Rapid absorption
(B) Mechanical support
(C) Anchoring
(D) Gaseous exchange
Question No:5
Total root parasite is
(A) Rafflesia
(B) Loranthus
(C) Cuscuta
(D) Striga
Question No:6
A twiner with parasitic roots
(A) Cuscuta
(B) Podostemon
(C) Rafflesia
(D) Trapa
Question No:7
Insectivorous plants trap insects to fulfil their
(A) Nitrogen requirement
(B) Total nutritional requirement
(C) Mineral requirement
(D) None of the above
Question No:8
In maize, the fibrous roots develop from
(A) Radicle
(B) Coleoptile
(C) Coleorrhiza
(D) base of the stem
Question No:9
Prop roots, stilt roots and pneumatophores are
(A) Adventitious roots
(B) Tap roots
(C) Fibrous roots
(D) All of these
Question No:10
Vela men cells are :
(A) Dead and hygroscopic
(B) Living
(C) Living and hygroscopic
(D) Just like cells of epiblema
Question No:11
Root hairs originate from
(A) Epiblema
(B) Cortex
(C) Endodermis
(D) Pericycle
Question No:12
In Asparagus, food is stored in its
(A) Fasciculated roots
(B) Nodulated roots
(C) Napiform roots
(D) None of these
Question No:13
Chrysanthemum is propagated with the help of
(A) Suckers
(B) Runners
(C) Twiners
(D) Stolons
Question No:14
Respiratory roots are seen in
(A) Cycas
(B) Pinus
(C) Mangroves
(D) Cuscuta
Question No:15
Contractile roots are found in :
(A) Canna and Crocus
(B) Amorphophallus
(C) Dahlia and Helianthus
(D) None of these
Question No:16
Roots grow deeper in search of water in :
(A) Hydrophytes
(B) Mesophytes
(C) Halophytes
(D) Xerophytes
Question No:17
Dahlia is propagated through:
(A) Stem cuttings
(B) Fasciculated roots
(C) Tissue culture
(D) None of these
Question No:18
Conical storage root is found in
(A) Carrot
(B) Radish
(C) Turmeric
(D) Sweet potato
Question No:19
Root hairs are absent in the roots of
(A) Epiphytes
(B) Parasites
(C) Xerophytes
(D) a and b
Question No:20
Complete root parasite is
(A) Cuscuta
(B) Santalum
(C) Orobanche
(D) Loranthus