15513.Vexillary aestivation is characteristic of the family
Solanaceae
Brassicaceae
Fabaceae
Asteraceae
15515.A bicollateral vascular bundle has the following arrangement of tissues.
Outer Phloem - Outer Xylem - Middle Cambium - Inner Xylem - Inner Phloem.
Outer Xylem - Outer Cambium - Middle Phloem - Inner Cambium - Inner Xylem.
Outer Phloem - Outer Cambium - Middle Xylem - Inner Cambium - Inner Phloem.
Outer Cambium - Outer Phloem - Middle Xylem - Inner Phloem - Inner Cambium.
15517.Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by
Absence of secondary phloem
Absence of secondary xylem
Position of protoxylem
Presence of cortex
15519.If a primary root continues to grow, the type of root system will be known as
Secondary
Fibrous
Tap
Stilt
15520.The lateral roots originate from
Epiblema
Cortical cells below root hairs
Endoderm cells
Pericycle cells
15521.Long filamentous threads protruding at the end of a young cob of maize are
Anthers
Styles
Ovaries
Hairs
15522.Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
Megaspores possess endosperm and embryo surrounded by seed coat
Embryo develops in female gametophyte which is retained on parent sporophyte
Female gametophyte is free and gets dispersed like seeds
Female gametophyte lacks archegonia
15523.Arrange the following plants in the ascending order based in the number of carpels they possess:
I. Oenothera
II. Acacia melanoxylon
III. Squill
IV. Lettuce
IV, III, I, II
II, IV, III, I
II, III, IV, I
I, IV, III, II
15527.Identify the characters of gynoecium found in members of Asteraceae Fabaceae, Liliaceae and Solanaceae, respectively
(1) Tricarpellary syncarpous, ovary superior and trilocular
(II) Bicarpellary syncarpous, ovary superior and usually bilocular
(III) Bicarpellary syncarpous, ovary inferior and unilocular
(IV) Monocarpellary, ovary half inferior and unilocular
The correct sequence is:
II, I, III, IV
III, IV, I, II
IV, III, II, I
I, II, IV, III
15528.Find out the wrongly matched pair.
Bulbil – Agave
Rhizome – Ginger
Offset – Water hyacinth
Leaf buds – Banana
15529.Interfascicular cambium is a
Type of Protoderm
Primordial meristem
Primary meristematic tissue
Secondary meristematic tissue
15530.Match the types of the fruits listed in Column I, with the examples listed on Column II. Choose the answer which gives the correct combination of alphabets of the two columns.
| Column – I | Column – II | ||
|---|---|---|---|
| A. | Capsule | p. | Paddy |
| B. | Berry | q. | Mango |
| C. | Drupe | r. | Sunflower |
| D. | Cypsela | s. | Tomato |
| t. | Ladies finger |
A = t, B = s, C = q, D = r
A = t, B = r, C = p, D = q
A = s, B = t, C = q, D = r
A = p, B = q, C = r, D = t
15532.Study and match the following lists. Select the correct option.
Correct match is:
| List – I | List – II | ||
|---|---|---|---|
| A. | Trapa | I. | >Trichosclereids |
| B. | Casuarina | II. | >Lacunar collocytes |
| C. | Drimys | III. | >Swollen petiole |
| D. | Lactuca | IV. | >Chalazogamy |
| V. | >Vesselless |
Correct match is:
A - IV, B - I, C - V, D - III
A - III, B - IV, C - V, D - II
A - V, B - II, C - IV, D - I
A - III, B - V, C - II, D - IV