Question : Which of the following is not among the main classes of algae?
Option 1: Chlorophyceae
Option 2: Rhodophyceae
Option 3: Phaeophyceae
Option 4: Gymnosperms
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Correct Answer: Gymnosperms
Solution : The correct option is Gymnosperms.
Algae are photosynthetic creatures that include green (Chlorophyceae), brown (Phaeophyceae), and red (Rhodophyceae) algae, as well as diatoms, dinoflagellates, cyanobacteria (blue-green algae), and others that are ecologically and industrially important. Gymnosperms are a prominent division of the Plant kingdom that bears 'naked seed'. They include conifers, cycads, and ginkgoes and typically have exposed seeds on cones or similar structures.
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Question : Which of the following is the red algae?
Option 1: Rhodophyceae
Option 2: Chlorophyceae
Option 3: Liverwort
Option 4: Phaeophyceae
Question : Which of the following is not correct?
Option 1: Members of Chlorophyceae are commonly called green algae.
Option 2: Members of Phaeophyceae are commonly called red algae.
Option 3: Members of Rhodophyceae are commonly called red algae.
Option 4: Members of Phaeophyceae are commonly called brown algae.
Question : Which of the following pairs is incorrectly matched?
Option 1: Bryophyta - Moss
Option 2: Angiosperms - Rose
Option 3: Pteridophyta - Cycas
Option 4: Gymnosperms - Pinus
Question : Select the biofertilizer in the following:
Option 1: Compost
Option 2: Ammonium sulphate
Option 3: Cattle dung
Option 4: Algae and blue-green algae
Question : Ferns, horsetails and lycophytes belong to which of the following groups?
Option 1: Bryophyta
Option 2: Pteridophytes
Option 3: Algae
Option 4: Fungi
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