Potato
Opuntia
Rhizophora
Grass
C. Rhizophora
Bulb of Allium cepa is a modified stem.
Cloves of Allium sativum are fleshy scale leaves.
Corm of Colocasia is a modified root.
Tendril in Vitis vinifera is a modified axillary bud.
nodes and internodes
axillary buds
multicellular hairs
unicellular hairs
region of maturation.
region of elongation.
region of meristematic activity.
root-hairs.
absorption of water and minerals from the soil
storing reserve food material
synthesis of plant growth regulators
All of the above
region of maturation.
region of meristematic activity.
region of elongation.
none of the above.
Potato
Opuntia
Rhizophora
Grass
Column - I | Column-II |
---|---|
(Type of aestivation) | (Examples) |
A. Valvate | I. Cotton |
B. Twisted | II. Calotropis |
C. Imbricate | III. Bean |
D. Vexillary | IV. Gulmohar |
A I; B II; C IV; D III
A II; B I; C IV; D III
A II; B IV; C I; D III
A II; B I; C III; D IV
Ovules are borne on central axis.
Ovary is one-chambered but it becomes two-chambered due to the formation of false septum.
Examples are mustard and Argemone.
Both (b) and (c)
(i) and (ii) are correct but (iii) and (iv) are wrong.
(ii) and (iii) are correct but (i) and (iv) are wrong.
(ii) and (iv) are correct but (i) and (iii) are wrong.
(i) and (iii) are correct but (ii) and (iv) are wrong.
A-I, B-II, C-III
A-I, B-III, C-II
A-III, B-II, C-I
A-III, B-I, C-II
C, B, E, A, D
A, B, C, D, E
D, E, A, C, B
E, D, C, B, A
fibrous root system.
tap root system.
adventitious root system.
all of the above
storage of food in endosperm.
protection of embryo.
utilization of stored food.
all of the above.
It is the female reproductive part of the flower.
It is composed of stamens.
Stigma is usually at the tip of the style and is the receptive surface for pollen grains.
Each ovary bears one or more ovules attached to a flattened, cushion like placenta.
Cucumber
Papaya
Cucurbita
Neem
groundnut
rice
sugarcane
wheat
(Position of floral parts on thalamus) | (Represented in) |
---|---|
A. Hypogynous | I. Ray florets of sunflower |
B. Perigynous | II. Brinjal |
C Epigynous | III Peach |
A II, B I, C III
A I, B II, C III
A III, B II, C I
A II, B III, C I
region of maturation
region of elongation
region of meristematic activity
root cap
X - Scutellum, Y - Embryo, Z - Radicle
X - Embryo, Y - Scutellum, Z - Radicle
X - Scutellum, Y - Radicle, Z - Embryo
X - Radicle, Y - Embryo, Z - Scutellum
ovary
anther
filament
connective
can be stored for long time.
are result of fusion of pollen tube.
are result of fusion of gametes.
give rise to new plants.
Rhizome of ginger
Corm of Colocasia
Pitcher of Nepenthes
Tuber of potato
nodes, nodes and internodes
nodes, internodes and nodes
internodes, nodes and nodes
internodes, internodes and nodes
A - Liliaceae, B - Compositae, C - Malvaceae
A - Fabaceae, B - Solanaceae, C - Liliaceae
A - Compositae, B - Malvaceae, C - Liliaceae
A - Solanaceae, B - Fabaceae, C - Liliaceae
Statement-1 and statement-2 are true and Statement-2 is a correct explanation for statement-1.
Statement-1 and statement-2 are true but statement-2 is a correct explanation for statement-1.
Statement-1 is true and statement-2 is false.
Both the statements are false.
A - Zone of elongation, B - Zone of meiosis, C - Zone of mitosis.
A - Zone of maturation, B - Zone of meristematic activity, C - Zone of elongation.
A - Zone of mitosis, B - Zone of elongation, C - Zone of root cap.
A - Region of maturation, B - Region of elongation, C - Zone of meristematic activity.
Column-I | Column-II |
---|---|
A. Gamosepalous | I. Flower of lily |
B. Polysepalous | II. Sterile anther |
C. Gamopetalous | III. Free petals |
D. Polypetalous | IV. Free sepals |
E. Epiphyllous | V. Fused petals |
F. Staminode | VI. Fused sepals |
A IV, B V, C III, D I, E VI, F II
A IV, B III, C V, D I, E II, F VI
A VI, B IV, C III, D V, E I, F II
A VI, B IV, C V, D III, E II, F I
hypogyny
perigyny
epigyny
none of these
A
B
C
Both A and B
Only (i)
Both (i) and (ii)
Both (iii) and (iv)
All of these