Besides paddy fields, cyanobacteria are also found inside vegetative part of:
1. Cycas 2. Equisetum
3. Psilotum 4. Pinus
Subtopic:  Gymnosperms: I | Gymnosperms |
 79%
Level 2: 60%+
AIPMT - 2013
Hints

The gametophyte is not an independent, free-living generation in:
1.  Adiantum
2.  Marchantia
3.  Pinus
4.  Polytrichum
Subtopic:  Gymnosperms: I | Gymnosperms |
 81%
Level 1: 80%+
AIPMT - 2011
Hints

A prokaryotic autotrophic nitrogen-fixing symbiont is found in:
1. Cycas 2. Cicer
3. Pisum 4. Alnus
Subtopic:  Gymnosperms: I | Gymnosperms |
 88%
Level 1: 80%+
AIPMT - 2011
Hints

advertisementadvertisement

Examine the figures A, B, C and D. In which one of the four options all the items, A, B, C and D are correct?

Options : 

A B C D
1. Equisetum Ginkgo Selaginella Lycopodium
2. Selaginella Equisetum Salvinia Ginkgo
3. Funaria Adiantum Salvinia Riccia
4. Chara Marchantia Fucus Pinus
Subtopic:  Pteridophytes | Gymnosperms |
 92%
Level 1: 80%+
AIPMT - 2010
Hints

Which one of the following is monoecious?

1. Cycas

2. Pinus

3. Date palm

4. Marchantia

Subtopic:  Gymnosperms |
 80%
Level 1: 80%+
AIPMT - 2010
Hints

In which one of the following, the male and female gametophytes don't have free-living independent existence?
1. Pteris 2. Funaria
3. Polytrichum 4. Cedrus
Subtopic:  Gymnosperms |
 67%
Level 2: 60%+
AIPMT - 2008
Hints

advertisementadvertisement

Flagellated male gametes are present in all three of which one of the following sets?

1. Anthoceros, Funaria, and Spirogyra

2. Zygnema, Saprolegnia, and Hydrilla

3. Fucus, Marsilea, and Calotropis

4. Riccia, Dryopteris, and Cycas

Subtopic:  Bryophytes | Pteridophytes: Heterospory | Gymnosperms: I | Gymnosperms |
Level 3: 35%-60%
AIPMT - 2007
Hints

In gymnosperms, the pollen chamber represents:

1. a cell in the pollen grain in which the sperms are formed
2. a cavity in the ovule in which pollen grains are stored after pollination
3. an opening in the megagametophyte through which the pollen tube approaches the egg
4. the microsporangium in which pollen grains develop

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
Level 3: 35%-60%
AIPMT - 2007
Hints