Title Algae Question & Answer (2).pdf ✅

Rajus Biology PG TRB Botany Online Course D. Respiration 21.Which pigment is primarily responsible for the green color in algae? A. Chlorophyll b B. Carotenoids C. Phycoerythrin D. Chlorophyll a 22.Which group of algae is known for their high levels of omega-3 fatty acids? A. Green algae B. Brown algae C. Red algae D. Cyanobacteria 23.Which type of algae is predominantly found in soil and can endure desiccation? A. Cyanobacteria B. Diatoms C. Chlamydomonas D. Sargassum 24.Which of the following is a characteristic of the genus Spirogyra? A. Filamentous structure B. Colonial form C. Non-flagellated D. All of the above 25.Which algae are known to have a significant role in carbon sequestration? A. Green algae B. Red algae C. Brown algae D. All of the above 26.In algae, the term 'gametophyte' refers to: A. The diploid phase B. The haploid phase C. The reproductive structure D. The vegetative body 27.Which algal group is primarily associated with the production of algal oil for biodiesel? A. Chlorophyta B. Rhodophyta C. Cyanobacteria D. Phaeophyta 28.What type of algae is commonly referred to as sea lettuce? A. Fucus B. Ulva C. Laminaria D. Porphyra 29.Which of the following is a method of sexual reproduction in brown algae? A. Conjugation B. Fertilization C. Fragmentation D. Budding 30.Which algae can be found in extreme environments such as hot springs? A. Diatoms B. Cyanobacteria C. Green algae D. Red algae 31.Which of the following is a major use of algae in agriculture?