Distingush between Brown algae and red algae.  

1 Answer

Answer :

BROWN ALGAE 
RED ALGAE 
1. Chlorophyll a and chlorophyll c is present.  
1. Chlorophyll a and chlorophyll d is present.
2. Fucoxanthin is present 
2. Fucoxanthin is absent. 
3. Phycobilins are absent 
3. Phycobilins are present. 
4. Reserve food material is mannitol and laminarin.  
4. Reserve food material is floridean starch.  

Related questions

Description : Distinguish between Green algae and brown algae.

Last Answer : GREEN ALGAE BROWN ALGAE   1. Mostly fresh water.  1. Mostly marine.  2. Chlorophyll a and chlorophyll b present.   2. Chlorophyll a and chlorophyll c present.  3. Fucoxanthin ... present.  4. Reserve food material is starch.   4. Reserve food material is laminarin. 

Description : Name the photosynthetic product in brown algae.  

Last Answer : Ans: Mannitol 

Description : Which is the anti coagulant obtained from brown algae?

Last Answer : Ans: Sodium laminarin sulphateobtained from Laminaria is an effective blood anti coagulant.  

Description : Which algae is called sea palm? 

Last Answer : Ans: Postelsia palmaeformis 

Description : Which is the parasitic green algae that cause rust disease in tea and coffee plants? 

Last Answer : Ans: Cephaleuros virescens

Description : List out the general characters of Chlorophyceae. 

Last Answer : Ans: Green algae occur in diverse habitats. They may be terrestrial, Epiphytic, Epizoic, Endozoic and parasitic.  They may be unicellular motile, non motile colonial, filamentous, branched ... . Asexual reproduction by spores. Sexual reproduction takes place by isogamy, anisogamy or oogamy

Description : Why bryophytes are called amphibians of the plant kingdom? 

Last Answer : Ans: Bryophytes live on land but they produce motile sperms which require water for swimming during fertilization. 

Description : How would you distinguish Monocots from Dicots?  

Last Answer : MONOCOTS DICOTS 1. Fibrous root system. 2. Seeds with a single cotyledon. 3. Parallel Venation 4. Vascular bundles are scattered irregularly. 5. Cambium absent.   1. Tap root ... cotyledons 3. Reticulate Venation. 4. Vascular bundles are arranged in a ring. 5. Cambium present

Description : Distinguish between homosporous and heterosporous condition in pteridophytes. 

Last Answer : Ans: Majority of pteridophytes are homosporous.All spores produced od similar type. Example: Psilotum Heterosporous pteridophytes produce macro and microspores. Example: Selaginella. 

Description : What are epiphytes? 

Last Answer : Ans: Plants that grow upon other plants are called Epiphytes. 

Description : What is a sporophyte? 

Last Answer : Ans: It is a plant body which produces spores. 

Description : What is a gametophyte? 

Last Answer : Ans: It is a plant body which produces male and female gametes. 

Description : Give one example of Lycopsida. 

Last Answer : Ans: Lycopodium. 

Description : Why bryophytes are called non vascular Cryptogams? 

Last Answer : Ans: Bryophytes do not contain Xylem and phloem tissues so they are non vascular and do not produce visible flowers. So they are Cryptogams.

Description : Why the sporophyte of gymnosperm is heterosporous?  

Last Answer : Ans: Sporophyte produces two types of spores like smaller micro spores and larger mega spores so it is heterosporous.  

Description :  Name the organ that fixes the plant body of Riccia to the soil.  

Last Answer : Ans: Rhizoid.  

Description : Name the class to which Riccia belongs.  

Last Answer : Ans: Hepaticopsida. 

Description : Name a parasitic angiosperm.  

Last Answer : Ans: Cuscuta. 

Description : Name a gymnosperm with vessels in the Xylem. 

Last Answer : Ans: Gnetum. 

Description : What does Embryophyta Siphonogama refer to? 

Last Answer : Ans: Embryo producing plants where pollen tube carries male gametes.

Description : Which phase predominent in the life cycle of Pteridophytes?

Last Answer : Ans: Diploid Sporophyte. 

Description : What are Cryptogams? 

Last Answer : Ans: Plants in which reproductive structures are embedded in the plant body and do not bear flowers or seeds. 

Description : Which phase is predominent in the life cycle of bryophyte? 

Last Answer : Ans: Gametophyte. 

Description : What is Thallus? 

Last Answer : Ans: Dorsiventrally flattened plant body without root stem and leaf differentiation is called Thallus. 

Description : Name the amphibians of the plant kingdom. 

Last Answer : Ans: Bryophytes

Description : Who prospered the five kingdom system of classification? 

Last Answer : Ans: Robert .H.Whittaker

Description : Define phycology. 

Last Answer : Ans: The branch of biology dealing with the study of algae is called Phycology.

Description : To which class of bryophyte does polytrichum belong? 

Last Answer : Ans: Bryopsida(Musci)  

Description : Difference between red algae and brown algae -Biology

Last Answer : answer:

Description : Red algae differ from brown algae in the absence of -Biology

Last Answer : answer:

Description : Red algae differ from brown algae in the absence of -Biology

Last Answer : answer:

Description : Differentiate between red algae and brown algae.

Last Answer : Differentiate between red algae and brown algae.

Description : Mention the pigments present in the following algae. a) Green algae b) Red algae c) Brown algae

Last Answer : a) Green algae – green pigment chlorophyll b) Red algae – green pigment chlorophyll, red pigment phycoerythrin. c) Brown algae – green pigment chlorophyll, brown pigment xanthophyll.

Description : Which one of the following statements is wrong? (a) Algae increase the level of dissolved oxygen in the immediate environment. (b) Algin is obtained from red algae, and carrageenan from brown ... Agar-agar is obtained from Gelidium and Gracilaria. (d) Laminaria and Sargassum are used as food.

Last Answer : (b) Algin is obtained from red algae, and carrageenan from brown algae

Description : Most of the lichens consist of (a) green algae and ascomycetes (b) brown algae and higher plant (c) blue green algae and basidiomycetes (d) red algae and ascomycetes.

Last Answer : (a) green algae and ascomycetes

Description : Brown algae characteristics -Biology

Last Answer : answer:

Description : Which is the floating brown algae that  covers thousands of hectares of sea in Atlantic  ocean?

Last Answer : Sargassum

Description : The brownish colour of Brown Algae is  due to presence of ...... pigment?

Last Answer : Xanthophyll

Description : Which is the reason for highest biomass in aquatic ecosystem? (a) Nano plankton, blue green algae and green algae (b) Sea grass and slime moulds (c) Benthic and brown algae (d) Diatoms

Last Answer : (c) Benthic and brown algae

Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Last Answer : (d) Mucor has biflagellate zoospores

Description : Which one is wrongly matched? (a) Uniflagellate gametes – Polysiphonia (b) Biflagellate zoospores – Brown algae (c) Gemma cups – Marchantia (d) Unicellular organism – Chlorella

Last Answer : (a) Uniflagellate gametes – Polysiphonia

Description : Brown algae is characterised by the presenceof (a) fucoxanthin (b) haematochrome (c) phycocyanin (d) phycoerythrin

Last Answer : (a) fucoxanthin

Description : Which one is wrongly matched ? (1) Uniflagellate gametes - Polysiphonia (2) Biflagellate zoospores - Brown algae (3) Gemma cups - Marchantia (4) Unicellular organism - Chlorella

Last Answer : (1) Uniflagellate gametes - Polysiphonia

Description : What causes algae to be red in color? -Biology

Last Answer : answer:

Description : What pigment is found in red algae? -Biology

Last Answer : answer:

Description : Red algae examples -Biology

Last Answer : answer:

Description : Characteristics of red algae? -Biology

Last Answer : answer:

Description : Why is red algae found in deeper water? -Biology

Last Answer : answer:

Description : Phycobilins found in blue green algae and red algae are/have

Last Answer : Phycobilins found in blue green algae and red algae are/have A. Soluble in hot water B. Found in ... Mg^(2+)` and tail D. Lipoidal in nature

Description : $ Formation of motile gametes occurs in Red Algae. ! Motile gametes in Cycas are muticiliated.

Last Answer : $ Formation of motile gametes occurs in Red Algae. ! Motile gametes in Cycas are muticiliated. A. If both ... is wrong D. If both As and R are wrong.