Which of the following Greek root word means "naked" and hence gives name to plants like cycas and pines?

1. angeion 2. sperm
3. gymnos 4. gynos
Subtopic:  Gymnosperms |
 93%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

In gymnosperms, the ovules are:

1. not enclosed by any ovary wall before and after fertilization
2. not enclosed by any ovary wall only before fertilization
3. not enclosed by any ovary wall only after fertilization
4. enclosed by an ovary wall before and after fertilization
Subtopic:  Gymnosperms |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The giant Redwood tree (Sequoia sempervirens) is a/an

1. Angiosperm 2. Free fern
3. Pteridophyte 4. Gymnosperm
Subtopic:  Gymnosperms |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Coralloid roots in Cycas are associated with nitrogen fixing:

1. Rhizobium 2. Frankia
3. Azospirillum 4. Cyanobacteria
Subtopic:  Gymnosperms |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

All the following regarding Pinus are correct except:
1. Obligate association with mycorrhiza
2. Unbranched stems
3. Male and female strobili on the same plant
4. Leaves in fascicles

Subtopic:  Gymnosperms |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Cycas does not have:
I. Coralloid roots
II. Branched stems
III. Pinnate persistent leaves
IV. Male cones and megasporophylls borne on same plant
1. I and II only                                       
2. I and IV only
3. II and IV only
4. I and III only
Subtopic:  Gymnosperms |
 79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Identify the incorrect statement:
1. The gymnosperms are heterosporous.
2. Spores in gymnosperms are produced within sporangia.
3. Sporangia in gymnosperms are borne on sporophylls which are arranged spirally along
an axis to form lax or compact strobili or cones.
4. Male strobili in gymnosperms are called macrosporangiate.
Subtopic:  Gymnosperms |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The terms that can be applied to all gymnosperms include:

1. Naked seeds, Homosporous, Dominant independent sporophyte
2. Seeds enclosed in ovary wall, Heterosporous, Dominant independent sporophyte
3. Naked seeds, Heterosporous, Dominant independent sporophyte
4. Naked seeds, Heterosporous, Dominant independent gametophyte
Subtopic:  Gymnosperms |
 61%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Female sex organs of gymnosperms are called:

1. Archegonia 2. Female strobili
3. Megasporangium 4. Megasporophyll
Subtopic:  Gymnosperms |
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is

1. Monocots 2. Dicots
3. Pteridophytes 4. Gymnosperms
Subtopic:  Gymnosperms |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch