Plant Kingdom

Plant Kingdom

Easy Questions

Advanced Botany

Plant Growth and Development
Organisms and Populations
Ecosystem
Biodiversity and Conservation
Environmental Issues
Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
Principles of Inheritance and Variation
Sexual Reproduction in Flowering Plants
Reproduction in Organisms
The Living World
Respiration in Plants
Photosynthesis
Mineral Nutrition
Transport in Plants
Cell Cycle and Cell Division
Cell-The Unit of Life
Anatomy of Flowering Plants
Morphology of Flowering Plants
Plant Kingdom
Biological Classification
  1. Ulothrix can be described as a








  1. View Hint View Answer Discuss in Forum

    Spirogyra is a filamentous alga lacking flagellated reproductive stages.

    Correct Option: D

    Spirogyra is a filamentous alga lacking flagellated reproductive stages.

  1. Columella is a specialised structure found in the sporangium of








  1. View Hint View Answer Discuss in Forum

    Ulothrix is a green alga. Spirogyra is a filamentous green alga. In Rhizopus the columella bears the spores for asexual reproduction.

    Correct Option: B

    Ulothrix is a green alga. Spirogyra is a filamentous green alga. In Rhizopus the columella bears the spores for asexual reproduction.

  1. A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll b as well as phycoerythrin.The alga belongs to








  1. View Hint View Answer Discuss in Forum

    In green algae, the photosynthetic pigments are chlorophyll a & b, carotenes and xanthophylls. In phaeophyceae, the pigments are chlorophyll a, chlorophyll c and carotenes and xanthophylls. Phycoerythrin gives red colour to Rhodophyceae.

    Correct Option: A

    In green algae, the photosynthetic pigments are chlorophyll a & b, carotenes and xanthophylls. In phaeophyceae, the pigments are chlorophyll a, chlorophyll c and carotenes and xanthophylls. Phycoerythrin gives red colour to Rhodophyceae.

  1. Floridean starch is found in








  1. View Hint View Answer Discuss in Forum

    Reserve food in red algae (Rhodophyceae) is Floridean starch. In green algae, (Chlorophyceae), reserve food is starch. In brown algae, reserve food is laminarin and manitol. In cyanophyceae reserve food is cyanophycean starch.

    Correct Option: B

    Reserve food in red algae (Rhodophyceae) is Floridean starch. In green algae, (Chlorophyceae), reserve food is starch. In brown algae, reserve food is laminarin and manitol. In cyanophyceae reserve food is cyanophycean starch.

  1. If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?








  1. View Hint View Answer Discuss in Forum

    It will be types of pigment present in the cell, like Rhodophyceae shows presence of phycoerythrin, chlorophyceae shows presence of phycocyanin etc.

    Correct Option: D

    It will be types of pigment present in the cell, like Rhodophyceae shows presence of phycoerythrin, chlorophyceae shows presence of phycocyanin etc.