Read the given statements about algae and select the cortect...

Name: Problem 15, Chapter 3: Objective NCERT at your FINGERTIPS: Biology
Uploaded: 2021-09-29T09:24:42-08:00
Duration: 6 min 21 s
Channel: Anas Venkitta
Description: Read the given statements about algae and select the cortect option. (i) Flant body is thalloid. (ii) Largely aquatic. (iii) Reptoduction by vegetative, asexual and sexual methods (iv) Chlamydomonas, Volvox and Ulothrix are the multicellular algae. (a) Statements (i) and (ii) are true (b) Statements (ii) and (iii) are true (c) Statements (i), (ii) and (iii) are true (d) All statements ate true

Read the given statements about algae and select the cortect option. (i) Flant body is thalloid. (ii) Largely aquatic. (iii) Reptoduction by vegetative, asexual and sexual methods (iv) Chlamydomonas, Volvox and Ulothrix are the multicellular algae. (a) Statements (i) and (ii) are true (b) Statements (ii) and (iii) are true (c) Statements (i), (ii) and (iii) are true (d) All statements ate true

Read the given statements about algae and select the cortect option.
(i) Flant body is thalloid.
(ii) Largely aquatic.
(iii) Reptoduction by vegetative, asexual and sexual methods
(iv) Chlamydomonas, Volvox and Ulothrix are the multicellular algae.
(a) Statements (i) and (ii) are true
(b) Statements (ii) and (iii) are true
(c) Statements (i), (ii) and (iii) are true
(d) All statements ate true

Key Concepts

Algal Classification and Multicellularity

This concept relates to how algae are categorized based on their cellular organization. Some algae are unicellular, some are colonial, and others are truly multicellular, reflecting the diversity within algal groups and their evolutionary adaptations.

Modes of Reproduction in Algae

This concept covers the various reproductive strategies employed by algae. They can reproduce through vegetative means as well as asexual and sexual reproduction, allowing them to adapt and proliferate in diverse environments.

Aquatic Habitat

This concept pertains to the natural environments in which algae typically exist. Algae are primarily aquatic, thriving in both freshwater and marine ecosystems, which is central to their biology and ecology.

Algal Morphology

This concept involves the study of the structure and form of algae. It includes understanding that many algae have a simple, undifferentiated body structure called a thallus, as opposed to having distinct organs.

Transcript

00:01 So in the given question we have a few statements.

00:03 The first statement says that the plant body is phthaloid and it is said in the question that these statements are about algae and we have to choose the correct or correct statements from these statements that are being given in the question.

00:31 So the second statement says that they are largely aquatic and the third statement says that their reproduction is by vegetative, vegetative sexual, vegetative, sexual and asexual methods.

01:13 Sexual methods.

01:18 Now we should write let us about algae over here, right? so these statements are about algae and we should choose the correct statements from the given statements.

01:32 So the last statement says that the glamidominus is lamidomines islamovans volvox and yellow tricks are the are examples for multicellular algae or examples for multicellular algae.

02:22 Are algae.

02:26 So these are the four statements that we have and we have to choose the correct statements from these four that is given in the question.

02:36 Right.

02:37 So what we can say is that from what we know about algae.

02:44 So algae are usually aquatic, right? so what we can say is that in the given question the statement that they are largely aquatic is actually a true statement right since they are mostly found in aquatic like marine or freshwater fresh water right and next what we have is we can see that only like a few algae occur in terrestrial habitats and in fact the plant body of an algae is thales which means thales means it has no distinction into no distinctions or differentiation differentiation into like for a normal plant we have root stem and leaves right so for an algae there is no different parts like this like root, stem and leaves...

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