The phenetic classification of organisms is based on:

1. The ancestral lineage of existing organisms
2. Dendrogram based on DNA characteristics
3. Sexual characteristics
4. Observable characteristics of existing organisms 

Subtopic:  Classification System: II | Classification System |
Level 3: 35%-60%
AIPMT - 2004
Hints

In ferns, Meiosis takes place at the time of:

1. Spore formation

2. Spore germination

3. Gamete formation

4. Antheridia and archegonia formation

Subtopic:  Pteridophytes |
 73%
Level 2: 60%+
AIPMT - 2000
Hints

Which of the following plants produces seeds but not flowers:

1. Maize 2. Mint
3. Peepal 4. Pinus
Subtopic:  Examples of Gymnosperms |
 86%
Level 1: 80%+
AIPMT - 2002
Hints

advertisementadvertisement

A student observed algae with chlorophyll 'a', 'd', and phycoerythrin. It should belong to:

1. Phaeophyta 2. Rhodophyta
3. Chlorophyta 4. Bacillariophyta
Subtopic:  Algae |
 94%
Level 1: 80%+
AIPMT - 2000
Hints

Sexual reproduction in Spirogyra is an advanced feature because it shows:
1. Different sizes of motile sex organs
2. Same size of motile sex organs
3. Morphologically different sex organs
4. Physiologically differentiated sex organs

Subtopic:  Chlorophyceae: Green Algae: II |
Level 3: 35%-60%
AIPMT - 2003
Hints

Which one of the following pairs of plants are not seed producers:

1. Fern and Funaria

2. Funaria and Ficus

3. Ficus and Chlamydomonas

4. Punica and Pinus

Subtopic:  Bryophytes | Pteridophytes |
 54%
Level 3: 35%-60%
AIPMT - 2003
Hints

advertisementadvertisement

Cycas have two cotyledons but are not included in angiosperms because of:

1. Naked ovules 2. Seeds like monocot
3. Circinate ptyxis 4. Compound leaves
Subtopic:  Examples of Gymnosperms |
 92%
Level 1: 80%+
AIPMT - 2001
Hints

Which of the following statement is true for bryophyta:
 

1. Along with water absorption roots also provide anchorment to plants
2. Sporophyte is dominant
3. Gametophyte is dominant and sporophyte is mostly parasitic
4. Gametophyte is parasitic

Subtopic:  Bryophytes |
 86%
Level 1: 80%+
AIPMT - 1999
Hints

In oogamy, fertilization involves:

1. A large non-motile female gamete and a small motile male gamete
2. A large non-motile female gamete and a small non-motile male gamete
3. A large motile female gamete and a small non-motile male gamete
4. A small non-motile female gamete and a large motile male gamete 

Subtopic:  Algae |
 88%
Level 1: 80%+
AIPMT - 2004
Hints

advertisementadvertisement

A true statement for Ulothrix:
 

1. Filamentous thallus and flagellated reproductive structures
2. Branched thallus
3. Flagellated cells absent
4. None of the above
Subtopic:  Chlorophyceae: Green Algae |
 86%
Level 1: 80%+
AIPMT - 1998
Hints