Maharashtra (English Medium) Std 10 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in


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Question-1 At the time of entering into an ovule the pollen tube has ___ male gametes.

(A) 1	(B)2
(C)3	(D)4

Question-2 What is NOT true for variations?

(A) Variations provide chance for survival in most cases.	(B)Variations are the raw materials for evolution.
(C)Variations produce new species.	(D)Variations are all drastic so not preferable.

Question-3 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-4 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

Question-5 Abortion is

(A) An intra uterine contraceptive device	(B)An oral contraceptive
(C)Surgical removal of foetus	(D)Sex determination technique

Question-6 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-7 The parts of carpel or pistil are

(A) another, style and stigma	(B)style, stigma and ovary
(C)anther, filament and ovary	(D)style, filament and ovary

Question-8 Reconstruction of the entire body from isolated body cells is

(A) Budding	(B)Reproduction
(C)Sporulation	(D)Regeneration

Question-9 Select the viral Sexually Transmitted Disease (STD)

(A) Syphilis	(B)Viral fever
(C)Gonorrhea	(D)AIDS

Question-10 Sex determination before birth is banned in our country by law because

(A) It is not clinically safe	(B)It can cause an STD
(C)Sex selective abortion of female foetus may be done	(D)Sex determination before birth can harm the mother

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Std 10

Maharashtra (English Medium)

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