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  4. Which of these algae have a haplo-diplontic life cycle? <table border=1> <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-exs5zdlv3city0rd.jpg /> <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-exs5zdlv3cit6fav.jpg /> <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-exs5zdlv3citjcv6.jpg /> <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-exs5zdlv3citvslh.jpg /> (i) (ii) (iii) (iv)

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Q. Which of these algae have a haplo-diplontic life cycle?
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(i) (ii) (iii) (iv)

NTA AbhyasNTA Abhyas 2022

Solution:

Most algal genera are haplontic, some of them such as Ectocarpus, Polysiphonia, Kelps are haplo-diplontic. Fucus, an alga is diplontic. Option (i) is Fucus which is a brown alga. Option (ii) is Chara which is a green alga. Option (iii) is Polysiphonia which is a red alga. Option (iv) is Volvox which is a green alga