Certain marine brown algae contain algin, which is commercially important. Algin is a type of:
Carrageenan
Agar
Floridean starch
Phycocolloid
Related Questions
Which one of the following is correctly matched.
Water hyacinth – Conidia
Banana – Offset
Chlamydomonas – Zoospores
Ginger – Sucker
Isogamy is found in
Spirogyra
Chlamydomonas
Both (a) and (b)
Fucus
Which of the given algae produces isogametes?
Cladophora
Fucus
Volvox
Chara
Which of the following plants is monoecious?
Maize
Papaya
Date palm
Marchantia
A plant species having separate male and female flowers on the same individual is called:
Dioecious
Hermaphrodite
Monoecious
Bisexual
Consider the following statements regarding reproduction in class-Chloropyceae.
I. Asexual reproduction is mainly by flagellated zoospores produced in zoosporangia.
II. The sexual reproduction shows considerable variation in the type and formation of sex cells and it may be isogamous, anisogamous and oogamous.
Which of the statements given above are correct?
Only I
Only II
I and II
None of these
Oogamous means
Fusion between female and male gametes. Both are similar in size
Fusion between one large female gamete and a smaller non-motile male gamete
Fusion between one large female gamete and a smaller motile male gamete
Fusion between one smaller female gamete and a large motile male gamete
If a plant species is described as NOT being dioecious and its flowers are NOT hermaphroditic, then it is most likely:
Monoecious
Dioecious
Hermaphroditic
Reproducing asexually
Fusion of two dissimilar gametes is known as?
Allogamy
Anisogamy
Autogamy
Dichogamy
The members of algae reproduce by
Vegetative method
Asexual method
Sexual method
All of these
