How do Organisms Reproduce?

1. A.
   Fragmentation
2. B.
   Binary Fission
3. C.
   Multiple Fission
4. D.
   Budding

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1. A.
   Budding
2. B.
   Fragmentation
3. C.
   Spore Formation
4. D.
   Binary Fission

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1. A.
   Formation of pollens
2. B.
   Formation of flower
3. C.
   Formation of fruit
4. D.
   Formation of seed

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1. A.
   they reproduce sexually.
2. B.
   they are unicellular.
3. C.
   they are multicellular.
4. D.
   they reproduce asexually.

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1. A.
   Regeneration
2. B.
   Budding
3. C.
   Vegetative propagation
4. D.
   Sexual reproduction

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1. A.
   Asexual reproduction by division of cells into two cells
2. B.
   Sexual reproduction by division of cells into many cells
3. C.
   Asexual reproduction by breaking up of Spirogyra filaments into smaller parts
4. D.
   Sexual reproduction by the formation of gametes after meiosis of cells of filaments followed by fusion of male and female gametes

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1. A.
   Oviduct
2. B.
   Cervix
3. C.
   Uterus
4. D.
   Vagina

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1. A.
   Pollination, Fertilization, Seed, Embryo
2. B.
   Seed, Embryo, Fertilization, Pollination
3. C.
   Seed, Plant, Flower, Pollination, Fertilization
4. D.
   Pollination, Fertilization, Embryo, Seed

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1. A.
   Diarrhoea
2. B.
   AIDS
3. C.
   Gonorrhoea
4. D.
   Wart

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1. A.
   doubling of chromosomes after zygote formation.
2. B.
   halving of chromosomes after zygote formation.
3. C.
   doubling of chromosomes before gamete formation.
4. D.
   halving of chromosomes at the time of gamete formation.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   a-(ii), b-(i), c-(v), d-(iv)
2. B.
   a-(iii), b-(i), c-(v), d-(iv)
3. C.
   a-(iv), b-(ii), c-(iii), d-(i)
4. D.
   a-(iii), b-(ii), c-(i), d-(iv)

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1. A.
   flowers
2. B.
   buds
3. C.
   seeds
4. D.
   fruits

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1. A.
   anther
2. B.
   ovary
3. C.
   stigma
4. D.
   filament

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1. A.
   Male germ cell
2. B.
   Female germ cell
3. C.
   Zygote
4. D.
   Both, male and female germ cells

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1. A.
   Papaya and mustard
2. B.
   Hibiscus and mustard
3. C.
   Hibiscus and papaya
4. D.
   Hibiscus and watermelon

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1. A.
   Can bear flowers and fruits earlier than those produced from seeds.
2. B.
   Those plants that have lost the capacity to produce seeds can be grown.
3. C.
   As compared to the parent plant, vegetatively propagated plants show more variations.
4. D.
   All the plants produced in this way are genetically similar to the parent plant.

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1. A.
   Stigma, ovule, ovary, style
2. B.
   Ovule, stigma, ovary, style
3. C.
   Style, stigma, ovule, ovary
4. D.
   Stigma, style, ovary, ovule

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1. A.
   Apical buds formed on the tip of the plant
2. B.
   Vegetative buds produced in the notches of the leaf
3. C.
   Flowers produced in the notches of the branches
4. D.
   Fruits formed on the branches of the plant

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1. A.
   Only testis
2. B.
   Only ovary
3. C.
   Ovary and testis both
4. D.
   All cells of the body

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1. A.
   P-4, Q-2, R-1, S-3
2. B.
   P-3, Q-4, R-5, S-2
3. C.
   P-3, Q-4, R-1, S-2
4. D.
   P-4, Q-3, R-2, S-1

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1. A.
   Regeneration and budding
2. B.
   Regeneration and fragmentation
3. C.
   Fragmentation and regeneration
4. D.
   Budding and regeneration

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1. A.
   (i) only
2. B.
   (iv) only
3. C.
   (i) and (iii)
4. D.
   (i) and (iv)

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1. A.
   radicle
2. B.
   stem
3. C.
   cotyledon
4. D.
   plumule

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Sugarcane, roses, grapes
2. B.
   Sugarcane, mustard, potato
3. C.
   Banana, orange, mustard
4. D.
   Papaya, mustard, potato

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1. A.
   Stigma and style
2. B.
   Sepals and petals
3. C.
   Petals only
4. D.
   Sepals only

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1. A.
   Hibiscus
2. B.
   Money plant
3. C.
   Mustard
4. D.
   Bryophyllum

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1. A.
   It is a disc embedded in the uterine wall.
2. B.
   It contains villi on the embryo’s side of the tissue.
3. C.
   It has a very small surface area for glucose and oxygen to pass from mother to the embryo.
4. D.
   The embryo gets nutrition from the mother’s blood through it.

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1. A.
   petals and Sepals
2. B.
   anther and Stigma
3. C.
   petals only
4. D.
   sepals only

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1. A.
   Cotyledon
2. B.
   Radicle
3. C.
   Plumule
4. D.
   Embryo

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1. A.
   23
2. B.
   44
3. C.
   46
4. D.
   92

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1. A.
   They are multicellular.
2. B.
   They are unicellular.
3. C.
   They reproduce sexually.
4. D.
   They reproduce asexually.

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1. A.
   (i) and (ii)
2. B.
   (ii) and (iv)
3. C.
   (ii) and (iii)
4. D.
   (iii) and (iv)

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1. A.
   genetic material is contributed by many parents.
2. B.
   sexual reproduction is a lengthy process.
3. C.
   genetic material is contributed by two individuals of same species to produce a new generation.
4. D.
   DNA copying is not accompanied by the creation of cellular apparatus.

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1. A.
   Fragmentation
2. B.
   Multiple fission
3. C.
   Budding
4. D.
   Binary fission

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1. A.
   Spirogyra
2. B.
   Planaria
3. C.
   Yeast
4. D.
   Rhizopus

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1. A.
   Ovary
2. B.
   Uterus
3. C.
   Vas deferens
4. D.
   Fallopian tube

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1. A.
   Yeast
2. B.
   Leishmania
3. C.
   Paramoecium
4. D.
   Plasmodium

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1. A.
   Both (A) and (R) are true and (R) is the correct explanation of (A).
2. B.
   Both (A) and (R) are true and (R) is not correct explanation of (A).
3. C.
   (A) is true, but (R) is false.
4. D.
   (A) is false, but (R) is true.

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1. A.
   general growth rate begins to slow down
2. B.
   height becomes less
3. C.
   the body weight is reduced
4. D.
   hair growth decreases

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1. A.
   Mustard and Papaya
2. B.
   Hibiscus and Watermelon
3. C.
   Mustard and Hibiscus
4. D.
   Watermelon and Papaya

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1. A.
   I, II, III, IV, V
2. B.
   I, III, II, V, IV
3. C.
   I, III, V, II, IV
4. D.
   I, II, III, V, IV

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1. A.
   Sporangia
2. B.
   Filaments
3. C.
   Rhizoids
4. D.
   Hyphae

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1. A.
   doubling of chromosomes after zygote formation.
2. B.
   halving of chromosomes after zygote formation.
3. C.
   doubling of chromosomes before gamete formation.
4. D.
   halving of chromosomes at the time of gamete formation.

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1. A.
   Bryophyllum, leaf
2. B.
   Potato, stem
3. C.
   Money-plant, stem
4. D.
   Rose, root

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1. A.
   Warts and HIV-AIDS
2. B.
   HIV-AIDS and Warts
3. C.
   Gonorrhoea and Syphilis
4. D.
   Syphilis and Warts

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1. A.
   ‘X’ only
2. B.
   ‘Z’ only
3. C.
   ‘X’ and ‘Y’ only
4. D.
   ‘Y’ and ‘Z’

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
2. B.
   Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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1. A.
   Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of (A).
2. B.
   Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of (A).
3. C.
   Assertion (A) is true, but Reason (R) is false.
4. D.
   Assertion (A) is false, but Reason (R) is true.

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