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Q. No.In a comparative study of Acacia and Euphorbia, it is found that different structures perform photosynthesis. Which of the following structures helps in performing photosynthesis in Acacia and Euphorbia, respectively?
1. Stem modification and petiole modification
2. Root modification and stem modification
3. Root modification and petiole modification
4. Petiole modification and stem modification
Subtopic: Modification of Leaf | Modifications of Stem |
68%
From NCERT
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The root of a particular plant is unable to perform its prime function of absorption of minerals and water. Which of the following regions is impaired in the root system?
1. Region of maturation
2. Region of elongation
3. Region of meristematic activity
4. Root cap
1. Region of maturation
2. Region of elongation
3. Region of meristematic activity
4. Root cap
Subtopic: Morphology of Roots |
64%
From NCERT
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Which of the following plants shows zygomorphic flowers arranged in racemose inflorescence?
1. Tomato
2. Tobacco
3. Indigofera
4. Petunia
1. Tomato
2. Tobacco
3. Indigofera
4. Petunia
Subtopic: Families of Flowering Plant |
81%
From NCERT
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Tendril of watermelon and tendril of pea are the modifications of A and B respectively.
Choose the correct option to fill (A) and (B)
Choose the correct option to fill (A) and (B)
| A | B | |
| 1. | Stem | Leaf |
| 2. | Leaf | Axillary bud |
| 3. | Apical bud | Stem |
| 4. | Leaf | Stem |
Subtopic: Modification of Leaf | Modifications of Stem |
85%
From NCERT
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Which of the following pairs shows the stem modifications in the form of stolon and offset respectively?
1. Eichhornia and Pineapple
2. Jasmine and Pistia
3. Grasses and banana
4. Chrysanthemum and mint
1. Eichhornia and Pineapple
2. Jasmine and Pistia
3. Grasses and banana
4. Chrysanthemum and mint
Subtopic: Modifications of Stem |
80%
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Which of the following plants shows zygomorphic flower with imbricate aestivation of petals?
1. Calotropis
2. Cotton
3. Datura
4. Gulmohar
1. Calotropis
2. Cotton
3. Datura
4. Gulmohar
Subtopic: Flower & Parts of Flower |
82%
From NCERT
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Select the plant that is characterized with the presence of
A. Monadelphous stamen
B. Axile placentation
C. Alternate phyllotaxy
D. Superior ovary
E. Twisted aestivation
1. Pea
2. Argemone
3. China rose
4. Mustard
A. Monadelphous stamen
B. Axile placentation
C. Alternate phyllotaxy
D. Superior ovary
E. Twisted aestivation
1. Pea
2. Argemone
3. China rose
4. Mustard
Subtopic: Inflorescence | Flower & Parts of Flower |
80%
From NCERT
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Select the plant that half-inferior ovary with apocarpous condition
1. Sunflower
2. Mustard
3. Rose
4. Guava
1. Sunflower
2. Mustard
3. Rose
4. Guava
Subtopic: Flower & Parts of Flower |
89%
From NCERT
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Which of the following plants has syncarpous ovary with axile placentation?
1. Pea
2. Argemone
3. Dianthus
4. Tomato
1. Pea
2. Argemone
3. Dianthus
4. Tomato
Subtopic: Flower & Parts of Flower |
86%
From NCERT
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What will happen if the main axis of the shoot terminates into a flower?
1. Solitary flower will be produced
2. Flowers will be arranged in acropetal succession
3. Flowers arrangement would be racemose
4. The older flowers would be at the base
1. Solitary flower will be produced
2. Flowers will be arranged in acropetal succession
3. Flowers arrangement would be racemose
4. The older flowers would be at the base
Subtopic: Inflorescence |
66%
From NCERT
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