Which of the following will not be true regarding the floral characters of members of Solanaceae?

1. Flowers are bisexual and zygomorphic.
2. Calyx has five sepals which are united, persistent with velvet pubescence.
3. Androecium has five stamens that are epipetalous.
4. Gynoecium has bicarpellary, obliquely-placed syncarpous superior ovary.

Subtopic:  Families of Flowering Plant |
 80%
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How many of the given statements regarding leaves of angiosperms are true?
I: Leaves originate from shoot apical meristems and are arranged in a basipetal order
II: Pulvinus is seen in some leguminous plants
III: Parallel venation is characteristic of most dicots
IV: A bud is present in the axil of petiole of both simple and compound leaves
V: Palmately compound leaves are seen in neem
1. 5
2. 4
3. 3
4. 2
Subtopic:  Morphology of Leaf | Venation, Types of Leaves & Phyllotaxy |
 67%
From NCERT
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Identify the alphabets that respectively represent the endosperm, scutellum, plumule, coleorrhiza and aleurone layer in the diagram of monocotyledonous seed given below:
1. B, D, F, H and C 2. C, B, G, H and A
3. B, C, H, E and A 4. B, C, E, G and C
Subtopic:  Seed |
 82%
From NCERT
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Identify the correctly matched pair:
1. Pea - Stem tendrils
2. Potato - Storage roots
3. Grapevine - Leaf tendrils
4. Bougainvillea - Thorn
Subtopic:   Modifications of Stem |
 83%
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Which of the following is not a correct match of the modification and its purpose?
1. Prop roots in banyan tree - Support
2. Tuberous roots in sweet potato - Storage
3. Thorns in Bougainvillea - Climbing
4. Stolons in strawberry - Vegetative Propagation
Subtopic:   Modifications of Stem |
 90%
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How many of the given statements are correct? 

A: In both mango and coconut, the fruit is known as a drupe. 
B: Drupe develops from monocarpellary superior ovaries. 
C: Drupes are one-seeded. 
D: Mesocarp is edible part of the fruit in both mango and coconut.

1. 1
2. 2
3. 3
4. 4

Subtopic:  Fruits & their Types |
 76%
From NCERT
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What defines a hypogynous flower?
1. The ovary is situated below the other floral parts.
2. The ovary is situated above the other floral parts.
3. The ovary is situated along with other floral parts.
4. The floral parts are attached to the top of the ovary.
Subtopic:  Flower & Parts of Flower |
 82%
From NCERT
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Consider the given two statements:
Assertion (A): Rhizophora, a mangrove plant, has pneumatophores that emerge above the water level.
Reason (R): Pneumatophores help in gaseous exchange and support the plant in anaerobic soil conditions.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Modification of Roots |
 86%
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Which of the following is an important exception to the general finding that monocotyledonous seeds are endospermic?
1. Rice
2. Wheat
3. Pea
4. Orchids

Subtopic:  Seed |
 79%
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Which of the following will not be true regarding mustard flower?
1. There are 4 petals arranged in a cross shape
2. Tetradynamous stamen
3. Inferior ovary
4. 4 sepals which are usually green
Subtopic:  Flower & Parts of Flower |
 90%
From NCERT
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