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Question-1
Double fertilization occurs in
(A)
spirogyra
(B)
human beings
(C)
bread mould
(D)
flower
Question-2
Reproduction is very essential for
maintaining the life of an individual
maintaining the population
continuation of the species
replacing lost individuals of a population
(A)
1, 2 and 3
(B)
2, 3 and 4
(C)
1 and 4
(D)
1, 3 and 4
Question-3
What happens if a variation is drastic?
(A)
the new DNA copies will not work
(B)
the new individual will survive
(C)
the variations help to form a new species
(D)
the chances of evolution are more
Question-4
What is NOT true for cloning?
(A)
Young one is produced from a single cell of the parent.
(B)
Cloned animal is the exact copy of parent.
(C)
Male and female gamete is fused to form zygote
(D)
Cloned animal is developed from adult cell rather than embryo
Question-5
Identify the type of reproduction from the following clues.
Clues - Unicellular mother
Two identical daughter organisms
Mitotic division of nucleus
(A)
Budding
(B)
Binary fission
(C)
Multiple fission
(D)
Fragmentation
Question-6
Meiosis is the type of cell division for producing
(A)
spores
(B)
gametes
(C)
zygote
(D)
offspring
Question-7
Which is NOT a feature of asexual reproduction?
(A)
Identical copies of young ones.
(B)
Large number of young ones.
(C)
Uni parental participation.
(D)
Genetic variations and chance for evolution.
Question-8
Fission and fragmentation are processes of asexual reproduction in which the body of the mother breaks into daughter individuals. A difference between the two is
(A)
Fission for unicellular organisms but fragmentation for multicellular organisms
(B)
Fission for multicellular organisms where as fragmentation for unicellular organisms
(C)
Fission occurs only in parasites but fragmentation in both parasites and free living organisms.
(D)
Fission occurs during favourable conditions where as fragmentation occurs during unfavourable conditions.
Question-9
What is the difference in binary fission in amoeba and leishmania?
(A)
Amoeba divides in any plane but leishmania divides only through a specific axis.
(B)
Amoeba can divide at a greater pace while leishmania divides very slowly.
(C)
In amoeba cell division is mitotic where as in leishmania it is meiotic.
(D)
Amoeba is unicellular where as leishmania is multicellular.
Question-10
Two advantages of spore formation are
spores have a thick covering which helps them to tide over unfavourable conditions.
spores are produced in a large numbers.
spore formation occurs in all plants.
very healthy plants are formed from spores.
(A)
1 and 2
(B)
2 and 3
(C)
3 and 4
(D)
1 and 4
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Std 10
Maharashtra (English Medium)
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Life's Internal Secrets
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The Regulations of Life
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