15533.Study and match the following lists:
The correct match is
| List - I | List-II | ||
|---|---|---|---|
| (A) | Entire leaf modified into a spine | (I) | Clematis |
| (B) | Leaf except stipules modified into a tendril | (II) | Citrus |
| (C) | Stipules modified into a tendril | (III) | Euphorbia |
| (D) | First leaf of axillary bud modified into a spine | (IV) | Lathyrus |
| (V) | Smilax |
The correct match is
A - III, B - IV, C - V, D - II
A - III, B - I, C - IV, D - II
A - II, B - III, C - I, D - V
A - V, B - II, C - I, D - III
15534.Assertion (A): An ascending taxonomic sequence of Gossypium herbaceum indicates its placement in progressively higher groups.
Reason (R): Ascending taxonomic hierarchy indicates that a taxon is treated as belonging to a number of taxa.
The correct answer is:
Both A and R are true and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
15536.Which one of the following is an example for sub-aerial modification of stem?
Asparagus
Oxalis
Agave
Polyalthia
15538.The layer of meristematic cells at the tip of a plant root, which continually cuts off new cells to its outer edge is called
Procambium
Calyptrogen
Ground meristem
Tunica
15539.Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is:
Cremocarp
Caryopsis
Cypsela
Berry
15540.Why is vivipary an undesirable character for annual crop plants?
It adversely affects the fertility of the plant.
The seeds exhibit long dormancy.
It reduces the vigour of the plant.
The seeds cannot be stored under normal conditions for the next season.
15541.In a tetradynamous androecium, one of the following is seen :
Outer whorl of 4 smaller stamens and inner whorl of 2 larger stamens
Outer whorl of 2 larger stamens and inner whorl of 4 smaller stamens
Outer whorl of 4 larger stamens and inner whorl of 2 smaller stamens
Outer whorl of 2 smaller stamens and inner whorl of 4 larger stamens
15542.Match List I with List II and select the correct option given below.
| List – I | List – II | ||
|---|---|---|---|
| A. | Lactuca | I. | Next to Heteromerae |
| B. | Physalis | II. | Before Calyciflorae |
| C. | Althea | III. | Next to Disciflorae |
| D. | Derris | IV. | Between Calyciflorae and Heteromerae |
| V. | Between Thalamiflorae and Calyciflorae |
A – V, B – IV, C – III, D – I
A – IV, B – II, C – I, D – V
A – IV, B – I, C – II, D – III
A – II, B – III, C – I, D – IV
15545.Assertion: Epidermis in the dicot root is composed of cutinized cells.
Reason: The exodermis in the root offers protection to the inner parts in the absence of epidermis.The correct answer is :
Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.
Assertion is true, but Reason is false.
Assertion is false, but Reason is true.
15546.Multicostate parallel type of venation is found in the leaves of
Castor and China Rose
Banana and Canna
Grass and Palms
Castor and Tapioca
15547.Assertion: Ginger has a prostrate growing rhizome.
Reason: Shoot growth is not effected by gravity.
The correct answer is :Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but Reason is not the correct explanations of Assertion.
Assertion is true, but Reason is false.
Both Assertion and Reason are false.
15548.Assertion: In syconus type of fruit, the achenes formed are fewer than the total number of flowers in the inflorescence from which it is formed.
Reason: Upper and middle flowers cannot develop into fruits.
The correct answer is :Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
Both Assertion and Reason are true but Reason is not the correct explanations of Assertion.
Assertion is true, but Reason is false.
Assertion is false, but Reason is true.
15549.Intercalary meristem is a derivative of
Lateral meristem
Secondary meristem
Primary meristem
Promeristem
15551.Interfascicular cambium develops from the cells of
Medullary rays
Xylem parenchyma
Endodermis
Pericycle
15552.In the flowers of a plant, the ovarian part is fused, but styles and stigmas are free. Its ovary becomes unilocular due to breakdown of partition wall and the ovules are attached to a central axis. Identify the plant.
Dianthus
Abutilon
Nymphaea
Michelia