In unilocular ovary with a single ovule, the placentation is

1. Basal 2. Free Central
3. Axile 4. Marginal

Subtopic:  Flower & Parts of Flower |
 66%
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Among Bitter Gourd, Mustard, Brinjal, Pumpkin, China Rose, Lupin, Cucumber, Sunhemp, Gram, Guava, Bean, Chilli, Plum, Petunia, Tomato, Rose, Withania, Potato, Onion, Aloe and Tulip, how many plants have hypogynous flower?

1. Ten 2. Fifteen
3. Eighteen 4. Six
Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant |
 61%

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Which one of the following fruits is parthenocarpic?

1. Apple 2. Jackfruit
3. Banana 4. Brinjal
Subtopic:  Fruits & their Types |
 88%

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Aleurone layer of Maize grain is specially rich in

1. Proteins 2. Starch
3. Lipids 4. Auxins
Subtopic:  Seed |
 85%

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Consider the following four statements A, B, C, and D & select the right option for two correct statements.
Statements:

(A) In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel.
(B) The floral formula for Liliaceae is
(C) In pea flower, the stamens are monadelphous
(D) The floral formula for Solanaceae is


The correct statements are

1. (C) and (D) 2. (A) and (C)
3. (A) and (B) 4. (B) and (C)
Subtopic:  Families of Flowering Plant: I |
 69%
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Match each item in Column I with one in Column II and select the correct option from the codes given below:

COLUMN I [Phyllotaxy] COLUMN II [Example]
A. Alternate a. China rose
B. Opposite b. Calotropis
C. Whorled c. Alstonia

Codes

A B C
1. a b c
2. a c b
3. b a c
4. c b a
Subtopic:  Inflorescence |
 81%
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Identify the incorrectly matched pair:

Aestivation type

Example

1.

Valvate

Calotropis

2.

Twisted

Bean

3.

Imbricate

Gulmohur

4.

Vexillary

Pea

Subtopic:  Flower & Parts of Flower |
 83%
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All the following characteristics differentiate stems from the roots except:
1. Development from the plumule
2. Presence of nodes and internodes
3. Terminal or axillary buds
4. Endogenous development of branches

Subtopic:  Morphology of Stems |
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Aestivation is:
1. mode of arrangement of sepals but not petals in a floral bud with respect to the other members of the same whorl
2. mode of arrangement of petals but not sepals in a floral bud with respect to the other members of the same whorl
3. mode of arrangement of sepals but not petals in a floral bud with respect to each other
4. mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl

Subtopic:  Flower & Parts of Flower |
 87%
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A sterile stamen is called as:

1. Staminate 3. Staminode
2. Pistillate 4. Carpelode
Subtopic:  Flower & Parts of Flower |
 76%

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