Question No:1
In Calotropis, phyllotaxy of leaves is
(A) Whorled
(B) alternate
(C) Opposite
(D) alternate and opposite
Question No:2
Rhizome differs from root in
(A) presence of chlorophyll
(B) presence of scale leaves and buds
(C) underground position
(D) vertical growth in the soil
Question No:3
Flowers are trimerous in
(A) Datura
(B) Dolichos
(C) Gloriosa
(D) Hibiscus
Question No:4
Fibrous root system is mostly found in
(A) Ferns
(B) Grasses
(C) Conifers
(D) Dicots
Question No:5
The symmetry of actinomorphic flower is
(A) Bilateral
(B) Asymmetric
(C) Radial
(D) lateral
Question No:6
Epigynous flower is
(A) with superior ovary
(B) in guava, cucumber
(C) in mustard, brinjal
(D) with perigynous ovary
Question No:7
Aestivation in carissa and gulmohur is
(A) valvate
(B) Vexillary
(C) twisted
(D) imbricate
Question No:8
Varied lengths of staminae filaments within a flower is in
(A) Salvia
(B) Solanum
(C) Datura
(D) Lilium
Question No:9
Apocarpous gynoecium is found in
(A) Tomato
(B) Datura
(C) Lotus
(D) Cotton
Question No:10
Flower is asymmetric in
(A) Canna
(B) Cassia
(C) Calotropis
(D) mustard
Question No:11
Axillary buds are modified to thorns in :
(A) Acacia arabica
(B) Duranta
(C) Opuntia
(D) Roses
Question No:12
Tallest perennial grass is :
(A) Sugarcane
(B) Saccharum munja
(C) Bamboo
(D) Cynodon
Question No:13
Axillary stem tendrils are found in :
(A) Passiflora
(B) Vitis vinifera
(C) Antigonon
(D) Clematis
Question No:14
Offset type stem occurs in :
(A) Pistia
(B) Spirodela
(C) Lemna
(D) Wolffia
Question No:15
Mentha plant grows profusely by forming
(A) Suckers
(B) Runners
(C) Creepers
(D) Twiners
Question No:16
Stem is modified to fleshy phylloclade in
(A) Opuntia
(B) Ruscus
(C) Colocasia
(D) Oxalis
Question No:17
Bryophyllum is a classical example of vegetative propagation by
(A) Reproductive leaves
(B) Flower buds
(C) Roots
(D) Stem cuttings
Question No:18
Potato tubers are modified stem as they bear
(A) Axillary buds
(B) Tap roots
(C) Fibrous roots
(D) Leaves at nodes
Question No:19
Assimilatory roots are found in :
(A) Tinospora
(B) Vanda
(C) Piper
(D) Pandanus
Question No:20
Negative geotropism is shown by the roots of
(A) Orchids
(B) Ficus
(C) Rhizophora
(D) Trapa bispinosa