Roots play insignificant role in absorption of water in

1. sunflower

2. Pistia

3. pea

4. wheat

Subtopic:  Morphology of Roots | Modification of Roots |
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Axile placentation is present in

1. dianthus                   

2. lemon

3. pea                           

4. Argemone

Subtopic:  Parts of Flower:III | Flower & Parts of Flower |
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Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many

plants have superior ovary?

1. Five                         

2. Six

3. Three                       

4. Four

Subtopic:  Flower & Parts of Flower:I | Flower & Parts of Flower |
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Perigynous flowers are found in 

(1) Guava

(2) Cucumber

(3) China rose

(4) Rose

Subtopic:  Flower & Parts of Flower:I | Flower & Parts of Flower |
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Leaves become modified into spines in

1. Opuntia

2. pea

3. onion

4. silk cotton

Subtopic:  Modification of Leaf |
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The hilum is a scar on the

1. seed, where funicle was attached

2. fruit, where it was attached to pedicel

3. fruit, where style was present

4. seed, where micropyle was present

 

Subtopic:  Seed |
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When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

(1) vexillary

(2) imbricate

(3) twisted

(4) valvate

Subtopic:  Flower & Parts of Flower:I | Flower & Parts of Flower |
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Which one of the following statements is correct?

(1) The seed in grasses is not endospermic

(2) Mango is a parthenocarpic fruit

(3) A proteinaceous aleurone layer is present in maize grain

(4) A sterile pistil is called a staminode

Subtopic:  Fruits & its Types | Seed |
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An example of edible underground stem is

(1) carrot

(2) groundnut

(3) sweet potato

(4) potato

Subtopic:  Morphology of Stems | Aerial Stem Modification |
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An aggregate fruit is one which develops from

(1) multicarpellary syncarpous gynoecium

(2) multicarpellary apocarpus gynoecium

(3) complete inflorescence

(4) multicarpellary superior ovary

Subtopic:  Fruits & its Types |
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