Prepare for NEET Biology Plant Kingdom (Rhodophyceae) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert help to study red algae, phycoerythrin pigments, and economic importance.
Which vitamin is NOT correctly paired with its primary function?
Vitamin A - Vision
Vitamin D - Calcium absorption
Vitamin C - Collagen synthesis
Vitamin E - Blood clotting
Select the INCORRECT statement about vitamin functions.
Vitamin D is essential for calcium regulation.
Vitamin C is essential for collagen synthesis.
B vitamins are essential for energy metabolism.
Vitamin K is essential for red blood cell production.
Rhodophytes are commonly called as
Blue-green algae
Red algae
Brown algae
Green algae
Which of the following plant materials, is an efficient water imbibant?
Lignin
Pectin
Agar
Cellulose
Carrageenin, a jelly-like substance is obtained from
Chondrus
Fucus
Sargassum
Ulothrix
Consider the following statements
I. Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow microbes and in preparations of ice-creams and jellies
II. Chlorella and Spirogyra are used in sewage disposal ponds
III. Some species of marine algae like Porphyra,Laminaria and Sargassum are used as food
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
Members of class-Rhodophyceae are known as red algae due to the presence of red pigment
r-phycoerythrin
r-xanthophyll
Phycoerythrin
Fucoxanthin
From which of the following algae, agar-agar is commercially extracted?
I. Gracilaria II. Fucus
III. Sargassum IV. Gelidium
V. Turbinaria
III and V
II and III
IV and V
I and IV