Differentiate between: (c) Thallophytes and bryophytes

Category Thallophyta Bryophyta Plant body Plant body is undifferentiated and called a thallus. Plant body is differentiated into root-like, stem-like and leaf-like structures. Category Thallophyta Bryophyta Embryo Embryo is not formed. Embryo is formed after the process of fertilisation.

Match the proper terms from columns A and C with the description in column B. 'A' 'B' 'C' Thallophyta Seeds are formed in fruits. Fern Bryophyta No natural covering on seeds. Cycas Pteridophyta These plants mainly grow in water. Tamarind Gymnosperms These plants need water for reproduction. Moss Angiosperms Tissues are present for conduction of water and food. Algae

Thallophyta These plants mainly grow in water. Algae Thallophyta mainly grows in water and do not have differentiated leaves, stem and roots so the body is thallus like. An example is algae. These are autotrophic due to the presence of chlorophyll. Bryophyta These plants need water for reproduction. Moss Bryophytes need water for sexual reproduction because the flagellated sperm swim to the non-motile egg in order to fertilize it. An example is a moss. This group of plants are called amphibians. Pteridophyta Tissues are present for conduction of water and food. Fern Well-developed roots, stem, leaves, and tissue system for conduction of water and food. An example is Fern. These reproduce by spores and lack reproductive organs and seeds. Gymnosperms No natural covering on seeds. Cycas Seeds produced is naked because no ovary is present. e.g. Cycas Angiosperms Seeds are formed in fruits Tamarind Ovary in angiosperms develop into fruits and ovules develop into seeds enclosed within the fruit. eg Tamarind.

EASY

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What does Chara mean?

Important Questions on Diversity In Living Organisms

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Association of algae and fungi forms

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

The differentiated plant body is not present in:

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Some students went to prepare a temporary mount of Spirogyra. Where should they search for a fresh specimen?

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Plants without well differentiated stem, root and leaf are kept in the division _____.

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Shyam has observed the following parts in the given slide :
(1) Pyrenoids (2) Ribbon like chloroplast (3) Filamentous structure;
Which organisms has he observed?

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Algae belong to

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Write two characteristics of algae.

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

_______ is an example of plants belonging to thallophyta group.

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Assertion: Zygospore of Ulothrix forms meiozoospores and meioaplanospores.

Reason: Both are motile.

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Differentiate between:

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

What are the common characteristics of thallophytes?

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

A student observed the permanent slide of Spirogyra and labelled the following cell organelles :

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Assertion: Each group of algae has a characteristic colour.

Reason: Each group of algae show predominance of one pigment.

HARD

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Match column-I with column-II and choose the correct option.

	Column-I		Column-II
A.	Phaeophyceae	I.	Funaria, Polytrichum, Sphagnum
B.	Rhodophyceae	II.	Equisetum, Psilotum, Pteris
C.	Mosses	III.	Ectocarpus, Dictyota, Laminaria
D.	Pteridophytes	IV.	Polysiphonia, Porphyra, Gracilaria

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Which among the following have specialised tissue for the conduction of water?

(i) Thallophyta

(ii) Bryophyta

(iii) Pteridophyta

(iv) Gymnosperms

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Choose the option that best describes the feature of Spirogyra.

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Match the proper terms from columns A and C with the description in column B.

'A'	'B'	'C'
Thallophyta	Seeds are formed in fruits.	Fern
Bryophyta	No natural covering on seeds.	Cycas
Pteridophyta	These plants mainly grow in water.	Tamarind
Gymnosperms	These plants need water for reproduction.	Moss
Angiosperms	Tissues are present for conduction of water and food.	Algae

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Cotyledons are also called-

MEDIUM

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Draw a labelled diagram of Spirogyra.

EASY

Science>Biology>Diversity In Living Organisms>Kingdom Plantae

Assertion: Algae and fungi are grouped in thallophyta.

Reason: Algae and fungi show no differentiation in thallus.

What does Chara mean?

Important Questions on Diversity In Living Organisms

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