Select Chapter Topics:
Q. No.What is the correct sequence of regions at a root tip?
1.
Root cap, zone of elongation, zone of maturation, meristematic zone
2.
Meristematic zone, zone of elongation, zone of maturation, root cap
3.
Root cap, meristematic zone, zone of elongation, zone of maturation
4.
Zone of maturation, zone of elongation, root cap, meristematic zone
Subtopic: Morphology of Roots |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match the following types of corolla aestivation with their descriptions:
Codes:
| Column I | Column II | ||
| A | Valvate | P | Petals just touching each other |
| B | Imbricate | Q | One petal covering another, the next one is covered by another and so on |
| C | Twisted | R | One margin of a petal overlaps that of the next one and so on |
| D | Vexillary | S | Large petal covers smaller petals, which are not overlapping |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | S | P | R | Q |
| 4. | Q | S | R | P |
Subtopic: Flower & Parts of Flower |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Symmetry in flowers is considered actinomorphic when:
| 1. | They can be divided into two equal halves in any plane. |
| 2. | They can only be divided into two equal halves in one specific plane. |
| 3. | They do not show any symmetry. |
| 4. | They change symmetry at different stages of growth. |
Subtopic: Flower & Parts of Flower |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What are the typical floral features of the Poaceae family?
| 1. | Flowers are typically large with brightly colored petals. |
| 2. | Flowers are small, wind-pollinated with reduced or absent petals. |
| 3. | Flowers are often bisexual with a superior ovary. |
| 4. | Flowers display radial symmetry with a large number of stamens. |
Subtopic: Families of Flowering Plant |
60%
Please attempt this question first.
Hints
Which of the following is a leaf modification for protection?
| 1. | Tendrils | 2. | Succulent leaves |
| 3. | Bulbs | 4. | Spines |
Subtopic: Modification of Leaf |
92%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Key differences between monocot and dicot seeds include all of the following except:
| 1. | Monocots have one cotyledon, while dicots have two |
| 2. | Monocot seeds usually contain endosperm, whereas dicot seeds do not |
| 3. | The seed coat is fused with the fruit in monocots but not in dicots |
| 4. | Monocots have scattered vascular bundles, while dicots have them in a ring |
Subtopic: Seed |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following descriptions accurately represents the placentation type known as "parietal"?
| 1. | Ovules are attached to the central axis of the ovary. |
| 2. | Ovules are attached to the free central placenta which is not connected to the ovary wall. |
| 3. | Ovules are attached to the walls of the ovary or to the extensions of it, and the ovary is unilocular. |
| 4. | Ovules are attached directly to the ovary wall and the ovary is typically one-chambered. |
Subtopic: Flower & Parts of Flower |
61%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match each item in Column I with one in Column II and select the best match as your answer from the codes given:
Codes:
| Column I [Placentation type] |
Column II [Example] |
||
| A | Marginal | P | Pea |
| B | Axile | Q | Dianthus |
| C | Parietal | R | Tomato |
| D | Free central | S | Argemone |
Codes:
| A | B | C | D | |
| 1. | P | R | Q | S |
| 2. | R | P | Q | S |
| 3. | R | P | S | Q |
| 4. | P | R | S | Q |
Subtopic: Flower & Parts of Flower |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify the correctly matched pair:
1. Sugarcane - Prop roots
2. Banyan - Stilt roots
3. Maize - Stilt roots
4. Mangrove - Prop roots
1. Sugarcane - Prop roots
2. Banyan - Stilt roots
3. Maize - Stilt roots
4. Mangrove - Prop roots
Subtopic: Modification of Roots |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which statement accurately describes tap roots and fibrous roots?
| 1. | Tap roots are the main roots from which other roots sprout laterally, while fibrous roots have no main root but many branching roots. |
| 2. | Fibrous roots grow deep into the soil, while tap roots spread out near the soil surface. |
| 3. | Tap roots are found in monocots, while fibrous roots are found in dicots. |
| 4. | Fibrous roots store food, whereas tap roots do not store food. |
Subtopic: Morphology of Roots |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.