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English I
Physics
Chemistry
Biology
Mathematics
English II
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Question-1
Red algae differ from green and brown algae in having
(A)
No Chlorophyll- a
(B)
No differentiated cells
(C)
Haemoglobin within their cells
(D)
No flagellated stages in their life cycle
Question-2
Algae are useful because they
(A)
Are large in number
(B)
Purify the atmosphere
(C)
Are easily available for the study of transpiration
(D)
Are used as the packing material in bridge construction
Question-3
Reduction division in ultothrix, occurs in
(A)
Zygote
(B)
Gamete
(C)
Zoospore
(D)
Zygospore
Question-4
In funaria, calyptra is derived from
(A)
Capsule
(B)
Columella
(C)
Antheridium
(D)
Archegonium
Question-5
Palmella stage is met with in
(A)
Chlamydomonas
(B)
Spirogyra and Gnetium
(C)
Ulothrix and sphagnum
(D)
Oedogonum and Riccia
Question-6
There exists a close association between the alga and the fungus with in lichen the fungus.
(A)
Provided food for the algae
(B)
Release oxygen for the algae
(C)
Fixes the atmospheric nitrogen for the alga
(D)
Provided protection, anchorage and absorption for the alga.
Question-7
Which of the following organ functions as absorbing and attaching organs in bryophytes?
(A)
Rhizoids
(B)
Columella
(C)
Thallus
(D)
Root hairs
Question-8
Which of the following helps in coat formation?
(A)
bacteria
(B)
gymnosperm
(C)
pteridophytes
(D)
archaebacteria
Question-9
Which of the following group of algae produces carragenin?
(A)
Red algae
(B)
Brown algae
(C)
Green algae
(D)
Blue green algae
Question-10
The 13 celled male gametophyte in selaginella is
(A)
12 cells of antheridium+ 1prothallial cell
(B)
10 cells of antheridium+3 prothallial cells
(C)
9 cells of antheridium+ 4 prothallial cells
(D)
7 cell of antheridium + 6 prothallial cells
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Plus 1 Biology Science
ICSE/ISC
Practice in Related Chapters
Nature and Scope of Biology
Species and Population
Common Human Diseases
Strutural Organizaton of a Cell
Classification & Morphology Of Arthropoda
Nature And Scope Of Zoology
Kingdom Fungi
Algae, Bryophytes and Ptertdophytes
Gymnosperms And Angiosperms
Movements And Locomotion
Invertebrata
Introduction To Biotechnology
Vertebreta
Tools of Biology
Kingdom Monera
Kingdom Protista
The living world
Taxonomy
Animal Kingdom
Being Alive What does it Mean?
Anatomy of Plants
Plant- Water Relations
Morphology of Flowering Plants
Taxonomy and Phylogeny
Biomolecules
Cell Division
Continuity of life
Cell Membrane
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