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Class 10 Science
How Do Organisms Reproduce?
Quiz 1
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Hydra usually reproduces by:
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fragmentation and budding
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regeneration and budding
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multiple fission and fragmentation
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regeneration
Explanation
regeneration and budding
Tubectomy is carried out by blocking the
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oviduct
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uterus
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cervix
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vagina
Explanation
oviduct
Variations occur as a result of
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asexual reproduction
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vegetative propagation
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sexual reproduction
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regeneration
Explanation
sexual reproduction
Fertilisation occurs in human female when the sperms and ovum reach simultaneously at
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fallopian tube
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uterus
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vagina
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cervix
Explanation
fallopian tube
AIDS is a sexually transmitted disease caused due to an infection by a
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bacteria
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protozoa
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virus
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Plasmodium
Explanation
virus
In the list of organisms given below, those that reproduce by the asexual method are
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(ii) and (iv)
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(i), (iii) and (iv)
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(i) and (iv)
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(ii), (iii) and (iv)
Explanation
(i), (iii) and (iv)
Which of the following is the correct sequence of events of sexual reproduction in a flower?
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pollination, fertilisation, seedling, embryo
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seedling, embryo, fertilisation, pollination
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pollination, fertilisation, embryo, seedling
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embryo, seedling, pollination, fertilisation
Explanation
pollination, fertilisation, embryo, seedling
Offspring formed by asexual method of reproduction have greater similarity among themselves because
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(i) and (ii)
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(i) and (iii)
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(ii) and (iv)
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(iii) and (iv)
Explanation
(i) and (ii)
Characters that are transmitted from parents to offspring during reproduction show
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only similarities with parents
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only variations with parents
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both similarities and variations with parents
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neither similarities nor variations
Explanation
both similarities and variations with parents
In Spirogyra, asexual reproduction takes place by
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breaking up of filaments into smaller bits
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division of a cell into two cells
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division of a cell into many cells
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formation of young cells from older cells.
Explanation
breaking up of filaments into smaller bits
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
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budding
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reduction division
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binary fission
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multiple fission
Explanation
multiple fission
The correct sequence of reproductive stages seen in flowering plants is
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gametes, zygote, embryo, seedling
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zygote, gametes, embryo, seedling
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seedling, embryo, zygote, gametes
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gametes, embryo, zygote, seedling
Explanation
gametes, zygote, embryo, seedling
The number of chromosomes in parents and offsprings of a particular species remains constant due to
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doubling of chromosomes after zygote formation
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halving of chromosomes during gamete formation
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doubling of chromosomes after gamete formation
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halving of chromosomes after gamete formation
Explanation
halving of chromosomes during gamete formation
Factors responsible for the rapid spread of bread mould on slices of bread are
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(i) and (iii)
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(ii) and (iv)
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(i) and (ii)
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(iii) and (iv)
Explanation
(i) and (ii)
Length of pollen tube depends on the distance between
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pollen grain and upper surface of stigma
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pollen grain on upper surface of stigma and ovule
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pollen grain in anther and upper surface of stigma
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upper surface of stigma and lower part of style
Explanation
pollen grain on upper surface of stigma and ovule
Which of the following statements are true for flowers?
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(i) and (iv)
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(ii) and (iii)
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(i) and (iii)
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(ii) and (iv)
Explanation
(ii) and (iv)
Which among the following statements are true for unisexual flowers?
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(i) and (iv)
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(ii), (iii) and (iv)
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(iii) and (iv)
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(i), (iii) and (iv)
Explanation
(ii), (iii) and (iv)
Which among the following diseases is not sexually transmitted?
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Syphillis
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Hepatitis
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HIV – AIDS
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Gonorrhoea
Explanation
Hepatitis
In human males, the testes lie in the scrotum, because it helps in the
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process of mating
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formation of sperm
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easy transfer of gametes
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all the above
Explanation
formation of sperm
In following Figure, the parts A, B and C are sequentially
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cotyledon, plumule and radicle
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plumule, radicle and cotyledon
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plumule, cotyledon and radicle
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radicle, cotyledon and plumule
Explanation
plumule, cotyledon and radicle
0 h : 0 m : 1 s
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