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Q. No.A researcher studies a plant and observed the following features:
Tap root system, alternate phyllotaxy, actinomorphic flower, superior ovary, variation in the length of filaments of stamens, syncarpous ovary, parietal placentation
Which of the following plants is studied by the researcher?
1. Lupin
2. Aloe
3. Mustard
4. Gloriosa
Subtopic: Families of Flowering Plant |
90%
From NCERT
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Tulip and Petunia are different from each other on which of the following basis?
1. Adhesion of stamens
2. Symmetry of flower
3. Occurrence of endosperm in seed
4. Type of placentation
1. Adhesion of stamens
2. Symmetry of flower
3. Occurrence of endosperm in seed
4. Type of placentation
Subtopic: Families of Flowering Plant |
56%
From NCERT
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Organ of perennation in potato is modified _____A______ and organ for food storage in sweet potato is modified _______B__________
Select the correct option to fill (A) and (B)
Select the correct option to fill (A) and (B)
| A | B | |
| 1. | Stem | Stem |
| 2. | Root | Root |
| 3. | Stem | Root |
| 4. | Root | Stem |
Subtopic: Modification of Roots | Modifications of Stem |
78%
From NCERT
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Leaves of guava can be differentiated from leaves of neem as the former is an example of
1. Pinnately compound leaf
2. Simple leaf
3. Palmately compound leaf
4. Leaflets present on rachis
1. Pinnately compound leaf
2. Simple leaf
3. Palmately compound leaf
4. Leaflets present on rachis
Subtopic: Venation, Types of Leaves & Phyllotaxy |
52%
From NCERT
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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
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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