Botany (GATE)
Covers plant taxonomy, algae, fungi, plant diseases, photosynthesis, and plant development
Questions
A pair of dye-yielding plants of family Fabaceae is
- Oldenlandia umbellata and Carthamus tinctorius
- Indigofera tinctoria and Carthamus tinctorius
- Oldenlandia umbellata and Clitoria ternatea
- Indigofera tinctoria and Clitoria ternatea
- Carthamus tinctorius and Tagetus erecta
Which of the following is a group of brown algae?
- Volvox, Chlamydomonas, Chara
- Laminaria, Fucus, Dictyota
- Fucus, Chlamydomonas, Polysiphonia
- Dictyota, Porphyra, Chara
- Volvox, Porphyra, Polysiphonia
Which of the following plants is used as a biofertiliser?
- Cercospora personata
- Gardenia jasminoides
- Azolla pinnata
- Abelmoschus esculentus
- Gossypium barbadense
The mechanism of phosphorylation in chloroplasts was discovered by
- Emerson and Arnold
- Engelmann
- Arnon
- Ruben and Kamen
- Hill and Bendal
A set of members of phaeophyceae is
- Volvox, Ulothrix, Spirogyra and Chara
- Dictyota, Laminaria, Sargassum and Fucus
- Chlamydomonas, Ectocarpus, Gelidium and Volvox
- Polysiphonia, Porphyra, Gracilaria and Gelidium
- Chara, Laminaria, Sargassum and Gelidium
Which of the following belong to class Ascomycetes?
- Albugo and Mucor
- Aspergillus and Penicillium
- Agaricus and Puccinia
- Albugo and Puccinia
- Aspergillus and Mucor
Which of the following is a pair of C3 plants?
- Zea mays and Saccharum officinarum
- Hordeum vulgare and Oryza sativa
- Crassula ovata and Hordeum vulgare
- Crassula ovata and Zea mays
- Saccharum officinarum and Oryza sativa
Arrange the following in developmental sequence for angiosperms.
- Sporogenous tissue
- Pollen mother cell
- Pollen grain
- Microspore tetrad
- Male gamete
- 1 → 2 → 3 → 4 → 5
- 1 → 2 → 4 → 3 → 5
- 1 → 3 → 4 → 2 → 5
- 1 → 4 → 3 → 2 → 5
- 1 → 4 → 2 → 3 → 5
Which of the following is a pair of brown algae?
- Dictyota and Sargassum
- Gracilaria and Anabaena
- Ulothrix and Spirogyra
- Anabaena and Spirogyra
- Gracilaria and Ulothrix
A pair of algae with multicellular colonial thallus organisation is
- Gonium and Chlorella
- Chlamydomonas and Spirogyra
- Chlamydomonas and Chlorella
- Volvox and Gonium
- Ulothrix and Spirogyra
Match the columns:
| Column I |
</strong>|<strong>Column II</strong>|
|P. Fusarium oxysporum|1. Root rot of sweet potato|
|Q. Ustilago tritici|2. Wilt of cotton|
|R. Claviceps purpurea|3. Loose smut of wheat|
|S. Rhizopus stolonifer|4. Ergot of rye|
- P - 1; Q - 2; R - 3; S - 4
- P - 2; Q - 1; R - 3; S - 4
- P - 2; Q - 3; R - 4; S - 1
- P - 3; Q - 2; R - 1; S - 4
- P - 3; Q - 2; R - 4; S - 1
Which of the following is not a fungal plant disease?
- Citrus canker
- Potato late blight
- Red rot disease of sugarcane
- Corn smut
- Wheat leaf rust
Which of the following is a set of imperfect fungi (deuteromycetes)?
- Mucor, Rhizopus and Albugo
- Aspergillus, Claviceps and Neurospora
- Agaricus, Ustilago and Puccinia
- Alternaria, Colletotrichum and Trichoderma
- Mucor, Claviceps and Puccinia
Which of the following is the correct molecular formula of chlorophyll a?
- C55H70O6N4Mg
- C55H70O5N4Mg
- C54H70O6N4Mg
- C55H72O5N4Mg
- C35H30O5N4Mg
Match the columns:
| Column I |
</strong>|<strong>Column II</strong>|
|P. Cotton|1. Malvaceae|
|Q. Wheat|2. Poaceae|
|R. Mango|3. Anacardiaceae|
|S. Mustard|4. Cruciferae|
- P - 1; Q - 2; R - 3; S - 4
- P - 1; Q - 3; R - 2; S - 4
- P - 2; Q - 3; R - 1; S - 4
- P - 2; Q - 3; R - 4; S - 1
- P - 3; Q - 1; R - 4; S - 1