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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Placenta and pericarp are both edible portions in :

1. Apple

2. Banana

3. Tomato

4. Potato

Subtopic:  Fruits & their Types |
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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 gain.

4. A sterile pistil is called a staminode.

Subtopic:  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 |
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An aggregate fruit is one which develops from

1. Multicarpellary syncarppous gynoecium

2. Multicarpellary apocarpous gynoecium

3. Complete inflorescence

4. Multicarpellary superior ovary

Subtopic:  Fruits & their Types |
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Seed coat is not thin, membranous in:
 
1. Coconut
 
2. Groundnut
 
3. Gram
 
4. Maize

 

Subtopic:  Seed |
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In china rose the flowers are :

1. Actiniomorphic, epigynous with valvel aestivation

2. Zygomorphic, hypogynous with imbricate aestivation

3. Zygomorphic, epigynous with twisted aestivation

4. Actinomorphic, hypogynous with twisted aestivation

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunnhemp, 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:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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