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Reproduction In Organism

Board » Bihar Board » Class 12th » English Medium » Science » Biology » L-1 : Reproduction In Organism

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ID- 1199
BSEB, 2019 (C)

1. Gemmules are formed among which of the following:

  • (A) Yeast
  • (B) Hydra
  • (C) Amoeba
  • (D) Sponges
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ID- 1200
BSEB, 2019 (C)

2. External fertilization is found is:

  • (A) Resptiles
  • (B) Birds
  • (C) Earthworm
  • (D) Frog
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ID- 1201
BSEB, 2019 (C)

3. Among the following which type of fruit Cashewnut is?

  • (A) True
  • (B) Berry
  • (C) Nut
  • (D) All
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ID- 1202
BSEB, 2019 (C)

4. 'Tuber' is a modified form of:

  • (A) Bud
  • (B) Steam
  • (C) Root
  • (D) Root with stored food
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ID- 1203
BSEB, 2020 (A)

5. Plant body is haploid in which of the following?

  • (A) Algae
  • (B) Fungi
  • (C) Bryophytes
  • (D) All of these
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ID- 1204
BSEB, 2020 (A)

6. Vegetative propagation in ginger is carried out by means of:

  • (A) Rhizome
  • (B) Roots
  • (C) Tuber
  • (D) Bulb
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ID- 1205
BSEB, 2021 (A)

7. What is ploidy level of chromosomes in endosperm of angiospermic plant?

  • (A) n
  • (B) 2n
  • (C) 3n
  • (D) Both 'A' and 'C'
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ID- 1206
BSEB, 2021 (A)

8. Fertilization outiside the body is knonw is:

  • (A) In-vitro
  • (B) In-vivo
  • (C) Both 'A' and 'B'
  • (D) None of these
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ID- 1207
BSEB, 2021 (A)

9. Which one of the following is possible in micropropagation?

  • (A) A Sexual reproduction
  • (B) Sexual reproduction
  • (C) Both 'A' and 'B'
  • (D) None of these
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ID- 1209
BSEB, 2015, 2021 (A)

10. When off spring is formed by single parent then it is called as:

  • (A) sexual reproduction
  • (B) a sexual reproduction
  • (C) both 'A' and 'B'
  • (D) internal fertilization
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ID- 1211
BSEB, 2015

11. Reproduction by 'budding' occours in:

  • (A) yeast
  • (B) paramoecium
  • (C) penicillium
  • (D) all of these
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12. Which one is vegetatively propagated by leaf segments?

  • (A) Agave and Kalanchoe
  • (B) Bryophyllum and Kalanchoe
  • (C) Asparagus and Bryophyllum
  • (D) Chrysanthemum and Agave
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ID- 1213
BSEB, 2018 (C)

13. How many meiotic cell division are required to produce 124 slermatozoa?

  • (A) 124
  • (B) 31
  • (C) 30
  • (D) 62
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ID- 1214
BSEB, 2019 (A)

14. Gametes are usually:

  • (A) Haploid
  • (B) Diploid
  • (C) Polyploid
  • (D) Nulliploid
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ID- 1215
BSEB, 2019 (A)

15. Yeast reproduces by means of:

  • (A) Budding
  • (B) Fragmentation
  • (C) Pollination
  • (D) All of these
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ID- 1216

16. Sweet Potato multiples vegetatively through:

  • (A) Leaves
  • (B) Parthenogenesis
  • (C) Roots
  • (D) Buds
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ID- 1218

17. Plants with poor root system are propagated through:

  • (A) Layering
  • (B) Leaf cuttings
  • (C) Steam cutting
  • (D) Grafting
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ID- 1220

18. Pollination by Bat is called:

  • (A) Ornithophily
  • (B) Entemophily
  • (C) Cheropterophily
  • (D) Hydrophily
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19. Which of the following has the longest life span?

  • (A) Banyan tree
  • (B) Banana plant
  • (C) Parrot
  • (D) Elephant
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20. Select the option which arranges the given organism in ascending order of their life span.

  • (A) Parrot < Crow < Butterfly < Banyan tree
  • (B) Butterfly < Crow < Parrot < Crocodile
  • (C) Fruit fly < Crocodile < Parrot < Banyan tree
  • (D) Parrot < Tortoise < Dog < Crow
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21. During binary fission in Amoeba which of the following organelles is duplicated?

  • (A) Plasma membrane
  • (B) Nucleus
  • (C) Contrative Vacuole
  • (D) All of these
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22. Asexual reproduction is seen in members of kingdom:

  • (A) Monera
  • (B) Plantae
  • (C) Animalia
  • (D) All of these
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23. .......... is a life process that is not essential for an individual's survival but for survival of the spices.

  • (A) Growth
  • (B) Reproduction
  • (C) Respiration
  • (D) Nutrition
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24. 'Clones' are individuals that have exactly the same:

  • (A) lifespan
  • (B) physiology
  • (C) growth rate
  • (D) genetic makeup
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25. Which of the following is not used for vegetative propagation?

  • (A) Bud
  • (B) Bulbil
  • (C) Turion
  • (D) Antherzoid
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26. Which of the following options shows two plants in which new plantlets arise from the same organ?

  • (A) Dahlia and ginger
  • (B) Potato and sweet potato
  • (C) Dahlia and rose
  • (D) Potato and sugarcane
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27. Fleshy buds produced in the axil of leaves, which grow to from new plants when shed and fall on ground, are called

  • (A) bulbs
  • (B) bulbils
  • (C) tubers
  • (D) offsets
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28. Which one of the following processes results in the formation of clone of bacteria?

  • (A) Transformation
  • (B) Transduction
  • (C) Binary fission
  • (D) Conjugation
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29. The growth phase of an organism before attaining sexual maturity is reffered to as:

  • (A) juvenile phase
  • (B) vegetative phase
  • (C) both 'A' and 'B'
  • (D) none of these
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30. Strobilanthus kunthiana differs from bamboo in:

  • (A) being monocarlic
  • (B) length of juvenile phase
  • (C) being polycarpic
  • (D) none of these
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31. The changes that indicate reproductive maturity in humans include:

  • (A) growth of public hair
  • (B) changes in skeleton
  • (C) weight gain
  • (D) Both 'A' & 'B'
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32. Staminate flowers produce:

  • (A) eggs
  • (B) antherzoids
  • (C) fruits
  • (D) all of these
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33. Spirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis:

  • (A) never occurs
  • (B) occurs at time of gamete production
  • (C) occurs after fertilization
  • (D) occurs during vegetative growth
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34. Which of the following organisms has the highest number of chromosomes?

  • (A) Housefly
  • (B) Butterfly
  • (C) Ophioglossum
  • (D) Onion
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35. If a fungal thallus has both male and female reproductive structures, it will be called:

  • (A) heterothallic
  • (B) homothallic
  • (C) dioecious
  • (D) unioecious
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36. Oestrous cycle is reported in:

  • (A) cows and sheep
  • (B) humans and monkeys
  • (C) chimpanzee & gorillas
  • (D) none of these
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37. Which of the following animals show menstrual cycle?

  • (A) Gorillas and chimpanzees
  • (B) Monkeys and humans
  • (C) Orangutans and monkeys
  • (D) All of these
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38. Select the monocarpic plant out of the following:

  • (A) Bamboo
  • (B) Litchi
  • (C) Mango
  • (D) All of these
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39. Development of the new individual from female gamete without fertilization is termed as:

  • (A) syngamy
  • (B) embryogenesis
  • (C) oogamy
  • (D) parthenogenesis
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40. Select the option which shows viviparous animals only:

  • (A) Lizard, Turtle
  • (B) Platypus, Crocodile
  • (C) Cow, Crocodile
  • (D) Whale, Mouse
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41. Fertilization cannot occur in absence of surface water in:

  • (A) Fucus
  • (B) Funaria
  • (C) Marsilea
  • (D) All of these
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42. Deposition of calcareous shell around zygote occurs in:

  • (A) birds and reptiles
  • (B) birds and mammals
  • (C) mammals and reptiles
  • (D) all of these
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43. In which of the following plants, sepals do not fall off after fertilization and remain attached to the fruit?

  • (A) Brinjal
  • (B) Cucumber
  • (C) Papaya
  • (D) Bitter gourd
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44. Which of the following animals give birth to young ones?

  • (A) Ornithorhynchus and Echidna
  • (B) Macropus and pteropus
  • (C) Balaenoptera and Homo spiens
  • (D) Both 'B' and 'C'
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45. Viviparity is found in:

  • (A) sharks
  • (B) lizards
  • (C) frogs
  • (D) birds
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46. There is no natural death in single called organisms like Amoeba and bacteria because:

  • (A) they cannot produce sexually
  • (B) they produce by binary fission
  • (C) parental body is distributed among the offspring
  • (D) they are microscopic
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47. Which of the following is post-fertilisation event in flowering plant?

  • (A) Transfer of pollen grains
  • (B) Embryo development
  • (C) Formation of flower
  • (D) Formation of pollen gains
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48. The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plants shall be:

  • (A) 20
  • (B) 10
  • (C) 45
  • (D) 15
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BSEB, 2016, 2017(C), 2020 (A) 2021 (A)

49. Which one is diploid structure?

  • (A) Ovum
  • (B) Sperm
  • (C) Zygote
  • (D) All of these
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ID- 1380
BSEB, 2016 (C)

50. Which one is not a hermaphrodite animal?

  • (A) Leech
  • (B) Earth worm
  • (C) Tae worm
  • (D) House fly
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ID- 1382
BSEB, 2017 (A)

51. Fertilization outside the body is called:

  • (A) In vitro
  • (B) In vivo
  • (C) 'A' and 'B' both
  • (D) None
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BSEB, 2016 (C)

52. Which of the following is absent in animal cell?

  • (A) Chloroplast
  • (B) Mitochondria
  • (C) Ribosome
  • (D) Golgibody
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