Marine Plants MCQ

Test your knowledge with important Marine Plants MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Marine Plants MCQs on Bissoy. Bissoy App

• After the complete development of marine plants, which tissue is responsible for regeneration?
  ক

  Holdfast and haptera

  খ

  Blades

  গ

  Spines

  ঘ

  Meristematic tissue
• Permanent sea ice perpetually covering the polar seas is known as the __________________
  ক

  host ice

  খ

  cold ice

  গ

  fast ice

  ঘ

  fire ice
• El Nino is characterized by _____________________
  ক

  prominent warming

  খ

  excessive cooling

  গ

  silicate deficiency

  ঘ

  pH increase
• Net phytoplankton production (NPP) is low in warm seas due to __________________
  ক

  strong pycnocline

  খ

  high light intensity

  গ

  high air temperature

  ঘ

  excess nutrients in the water
• Diatoms perform better in colder waters whereas dinoflagellates perform better in warmer waters.
  ক

  True

  খ

  False
• In temperate seas, the dinoflagellate population __________________ during the autumn.
  ক

  increases

  খ

  decreases

  গ

  remains constant

  ঘ

  matches the diatom population
• In temperate seas, diatom bloom can be seen during ______________________
  ক

  spring

  খ

  summer

  গ

  winter

  ঘ

  autumn
• Which of the following is not a biotic factor affecting primary production in the sea?
  ক

  Water temperature

  খ

  Photosynthetic rates

  গ

  Phytoplankton production

  ঘ

  Herbivore production
• Porphyra, an alga bright green in color belongs to ___________________
  ক

  Rhodophyta

  খ

  Ascidian

  গ

  Phaeophyta

  ঘ

  Chlorophyta
• Which is a characteristic photosynthetic pigment of the Phaeophyta?
  ক

  Fucocyanin

  খ

  Fucoxanthin

  গ

  Phycocyanin

  ঘ

  Phycoerythrin
• Ulva is a __________________
  ক

  epiphytic red alga

  খ

  endophytic red alga

  গ

  green alga

  ঘ

  brown alga
• Which is a common epiphyte of seaweeds?
  ক

  Red algae

  খ

  Dinoflagellate

  গ

  Diatoms

  ঘ

  Penaeid shrimp
• Photosynthesis in seaweeds typically occurs in the stipes and holdfast.
  ক

  True

  খ

  False
• Another name for red mangroves is __________________
  ক

  Filter feeders

  খ

  Rhizophora

  গ

  Phaeophyceae

  ঘ

  Chlorophyceae
• Which is an herbivorous marine mammal?
  ক

  Manatees

  খ

  Sea otter

  গ

  Polar bear

  ঘ

  Walrus
• Marine plants flourish only in the photic zone.
  ক

  True

  খ

  False