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English I
Physics
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Biology
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English II
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Question-1
Funaria gametophyte is
(A)
Dioecious and autoecious
(B)
Monoecious and autoecious
(C)
Monoecious and heterocious
(D)
Monoecious and heterothallic
Question-2
Blue green algae have
(A)
chloro phyll
(B)
xanthophyll
(C)
phycocyanin
(D)
fucoxanthin
Question-3
Zygote of spirogyra produces four haploid nuclei in which.
(A)
One is functional
(B)
Two are functional
(C)
Three are functional
(D)
All are functional
Question-4
Which of the following algae are useful in sewage treatment plants?
(A)
Euglena
(B)
Chlorella
(C)
Chlamydomonas
(D)
All of these
Question-5
Which of the following is known as organ sui generis?
(A)
RNA
(B)
Rhizoid
(C)
Rhizophore
(D)
Rhizome
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
Columella is a specialized sterile structure found in the sporangium of
(A)
Funaria
(B)
Rhizopus
(C)
Ulothrix
(D)
Spirogyra
Question-8
Rhizoids in funaria , arise from
(A)
Basal region
(B)
Ventral region
(C)
Dorsal region
(D)
Lateral region
Question-9
Which of the following occurs both in fresh as well as in marine water?
(A)
Spirogyra
(B)
Cladophora
(C)
Oedogonium
(D)
Cephaleoros
Question-10
Selaginella is heterosporous it produces two types. The microspore develops in to micro gametophyte, and the megaspore develops in to megagametophyte with respect to gametophytes, which of the following is correct?
(A)
The microgametophyte, develops chlorophyll at maturity
(B)
The microgametophyte is devoid of chlorophyll at maturity
(C)
The microgametophyte is devoid of chlorophyll at maturity
(D)
The megagametophyte develops with in the walls of megaspore
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Plus 1 Biology Science
ICSE/ISC
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