Tendrils
Thorns
Rhizome
Tuber
B. Thorns
A - seeds; B - fruit
A - fruit; B - seeds
A - flower; B - seed
A - seeds; B - flower
(Stem Modifications) | (Found in) |
---|---|
A. Underground stem | I. Euphorbia |
B. Stem tendril | II. Opuntia |
C. Stem thorns | III. Potato |
D. Flattened stem | IV. Citrus |
E. Fleshy cylindrical stem | V. Cucumber |
A I, B II, C III, D V, E IV
A II, B III, C IV, D V, E I
A III, B IV, C V, D I, E II
A III, B V, C IV, D II, E I
root cap
maturation zone
meristematic zone
zone of elongation
tap roots
fibrous roots
adventitious roots
nodular roots
Potato, ginger, turmeric, Euphorbia, zaminkand
Potato, ginger, turmeric, zaminkand, Colocasia
Potato, Citrus, Opuntia, zaminkand, Colocasia
Potato, cucumber, watermelon, zaminkand, Colocasia
storage of food in endosperm.
protection of embryo.
utilization of stored food.
all of the above.
X - Scutellum, Y - Embryo, Z - Radicle
X - Embryo, Y - Scutellum, Z - Radicle
X - Scutellum, Y - Radicle, Z - Embryo
X - Radicle, Y - Embryo, Z - Scutellum
Column I | Column II |
---|---|
A. Coleorhiza | I. Grapes |
B. Food storing tissue | II. Mango |
C. Parthenocarpic fruit | III. Maize |
D. Single seeded fruit | IV. Radicle developing from monocarpellary superior ovary |
E. Membranous | V. Endosperm seed coat |
A III, B I, C IV, D II, E V
A IV, B II, C V, D I, E III
A V, B I, C III, D IV, E II
A IV, B V, C I, D II, E III
X - Calyx; Y - Sepals
X - Corolla; Y - Petals
X - Gynoecium; Y - Fruit
X - Androecium; Y - Ovary
stem
seed
leaves
flower
A-Cymose, B-Racemose
A-Racemose, B-Cymose
A-Racemose, B-Racemose
A-Cymose, B-Cymose
Rhizome of ginger
Corm of Colocasia
Pitcher of Nepenthes
Tuber of potato
soil
air
water
light
dispersal of seeds.
formation of more fruits.
formation of pollen grains.
dispersal of pollens.
hypogyny
perigyny
epigyny
none of these
Column I | Column II |
---|---|
A. Placentation | (i) Arrangement of flowers on the rachis |
B. Aestivation | (ii) Modified shoot for sexual reproduction |
C. Inflorescence | (iii) Arrangement of various whorls in the bud |
D. Flower | (iv) Arrangement of ovules within an ovary |
A - (i), B - (ii), C - (iii), D - (iv)
A - (iii), B - (i), C - (ii), D - (iv)
A - (iii), B - (i), C - (iv), D - (ii)
A - (iv), B - (iii), C - (i), D - (ii)
A - Gynoecium, B - Megasporophyll, C - Ovule, D - Thalamus
A - Gynoecium, B - Stamen, C - Seed, D - Thalamus
A - Microsporophyll, B - Stamen, C - Ovule, D - Thalamus
A - Gynoecium, B - Stamen, C - Ovule, D - Thalamus
A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
A-Twisted, B-Imbricate, C-Vexillary, D-Valvate
staminode
anther
pollen grain
filament
Tap root system, compound leaves and raceme inflorescence.
Flowers actinomorphic, twisted aestivation and gamopetalous.
Stamens 10, introrse, basifixed, dithecous.
Monocarpellary, ovary superior and bent stigma.
groundnut
rice
sugarcane
wheat
Column-I | Column-II |
---|---|
A. Bud in the | I. Pitcher plant axil of leaf and venus fly trap |
B. Outer layer of | II. Cacti seed coat |
C. Spines | III. Testa (modified leaves) |
D. Leaves modified | IV. Simple leaf to catch insects |
E. Fleshy leaves | V. Garlic and onion with stored food |
A I, B II, C III, D IV, E V
A V, B IV, C III, D II, E I
A IV, B III, C II, D I, E V
A IV, B II, C III, D I, E V
Tegmen
Scutellum
Hyaline layer
Aleurone layer
region of maturation.
region of elongation.
region of meristematic activity.
root-hairs.
these plants are not angiosperms.
there is no double fertilization in them.
endosperm is not formed in them.
endosperm gets used up by the developing embryo during seed development.
A - Liliaceae, B - Compositae, C - Malvaceae
A - Fabaceae, B - Solanaceae, C - Liliaceae
A - Compositae, B - Malvaceae, C - Liliaceae
A - Solanaceae, B - Fabaceae, C - Liliaceae
can be stored for long time.
are result of fusion of pollen tube.
are result of fusion of gametes.
give rise to new plants.
respiration.
absorption of water from soil.
providing support to big tree.
all of the above.
monocotyledonous plants.
dicotyledonous plants.
bryophytes.
gymnosperms.
Hydrilla and Pistia
Eichhornia and Hydrilla
Pistia and Eichhornia
Pistia and Vallisneria