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Question

Consider the following statements.
A. Agar, carrageenans and algin are the products extracted from fungi.
B. Fucoxanthin, phycoerythrin, and carotenoids are the coloring pigments seen in brown algae.
C. King crab, Cycas, and Ginkgo are considered as living fossils.
D. Photosynthetic autotrophs, parasites, predators, and consumers are present in the kingdom Protista.

The two wrong statements are

A
C and D
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B
B and C
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C
A and C
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D
A and B
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Solution

The correct option is D A and B
  • Agar, carrageenan and alginate are extracted from seaweeds and used to thicken a variety of foods, including soy milk, chocolate milk, ice cream, yoghurt, soups, salad dressings and jellies.
  • Most brown algae contain the pigment fucoxanthin, which is responsible for the distinctive greenish-brown colour that gives them their name.
  • Phycoerythrin is a red protein-pigment complex from the light-harvesting phycobiliprotein family, present in red algae and cryptophytes, accessory to the main chlorophyll pigments responsible for photosynthesis.
  • The Horseshoe Crab or King Crab is called a "living fossil" because it has been on earth for millions of years.
  • Ginkgo biloba is called a living fossil because all the other members of its group are now fossils. Cycads are one of the oldest forms of plant life; they were here long, long before dinosaurs stomped the Earth and have remained essentially unchanged, that's why they are called living fossil.
So the correct answer is option D.

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