12th Biology Question

Bihar Board 12th Inter Exam 2020 Biology “Reproduction in Organism” Chapter VVI Objective Question With Answer On Latest Pattern, Biology VVI Important Objective Model Set Question Answer All ChapterWise Available

Bihar Board 12th Biology “Reproduction in Organism” Chapter VVI Objective Question With Answer


1. Amoeba reproduces by 

(A) conidia 

(B) buds

(C) gemmules 

(D) binary fission

2. Penicillium reproduces by 

(A) budding 

(B) fragmentation

(C) gemmules 

(D) conidia

3. Which in the following is not unisexual? 

 (A) Cockroach 

(B) Dog

(C) Cow 

(D) Earthworm

4. Menstrual cycle occurs in 

(A) monkeys 

(B) apes

(C) humans 

(D) all of these

5. Which one does not show oestrus cycle? 

(A) Cow 

(B) Sheep

(C) Monkey 

(D) Dogs 

6. The period from birth to the natural death of an organism represents its

(A) life cycle 

(B) life span

(C) vegetative phase

(D) all of these

7. Morphologically and genetically similar organisms are called

(A) clone 

(B) somaclones

(C) cosmids 

(D) cybrids

8. The process of formation of gametes is called 

(A) gametogenesis

(B) sporogenesis

(C) cytokinesis 

(D) meiocytes

9. Which one is not a bisexual animal? 

(A) Tapeworm 

(B) Dog

(C) Leech 

(D) Sponge

10. Oogonium is 

(A) female sex organ in plants Hotels

(B) female sex organ in animals

(C) male sex organ in plants 

(D) male sex organ in animals apie

11. Which is not unisexual? 

(A) Cockroach 

(B) Dog Pila

(C) Cow 

(D) Earthworm

12. Which one has diploid parental body? W as 

(A) Fungi 

(B) Human

(C) Algae 

(D) Bryophytes

13. In which of the following water is not essential for gamete transfer? 

(B) Bryophytes

(C) Pteridophytes

(D) Gymnosperms

14. The number of chromosome in Human gamete is

(A) 21 

(B) 23 

(C) 44 

(D) 46 

15. Process of development of embryo is called 

(A) vivipary 

(B) parthenogenesis

(C) embryogenesis

(D) sporogenesis 

16. In which of the following fertilization is internal? 

(A) Fishes 

(B) Amphibians

(C) Majority of algae

(D) Angiosperms

17. Which one is not an oviparous animal? 

(A) Snake 

(B) Chicken

(C) Crocodile 

(D) Humanity 

18. The total number of eggs produced by a healthy human female during life time reproductive life

(A) 4000 

(B) 400

(C) 40

(D) 365

19. Which of the following is incorrect? 

(A) The length of time which an organism is likely to live is called its life span

B) Binary fission takes palce in bacteria and Amoeba.

(C) Hydra reproduces asexually by budding. 

(D) Strobilanthus kunthiana flowers once in two years. 

20. New plants develop from leaves in 

(A) Eichhornia 

(B) Bryophyllum

(C) Cycas 

(D) Gladiolus

21. External fertilization takes place in IR

(A) algae 

(B) reptiles

(C) birds 

(D) mammals

22. External fertilization does not take place in 

(A) oyster 

(B) sea star

(C) jellyfish 

(D) mammals

23. Internal fertilization takes place in 

(A) birds 

 (B) frog

(C) algae Dog

(D) fish 

24. Which one is incorrect? 

(A) Sexual reproduction involves the formation and fusion of gametes.

(B) Prefertilization events include gametogenesis and gamete transfer. 

(C) Gametes are diploid in nature

(D) Syngamy occurs between the male and female gametes. 

25. The multiplication of genetically identical copies of a cultivar by asexual means is called

(A) mass culture of plant cells

(B) organogenesis

(C) clonal variation

(D) none of these 

26. Upon fertilization while the ovule develops into seed, which structure develops from the carpel?

(A) Perisperma

(B) Pericarp

(C) Testa 

(D) None of these 

27. Copulatory organs are not formed in

(A) mammals 

(B) reptiles

(C) octopus 

(D) birds

28. The main reason for making Copper T most effective and popular Intra Uterine device in female

(A) Reduction in fertilization ability of spermatozoa.

(B) Increased phagocytosis of spermatozoa due to release of copper ion 

(C) Reduction in motility of spermatozoa 

(D) All of these 

29. In which of the following alternation of generations, main plant is a gametophyte?

(A) Haplontic 

(B) Diplontic

(C) Haplo-diplontic

(D) None of these

30. Which in the following plant is bisexual? 

(A) Marchantia 

(B) Pinus

(C) Cycas 

(D) Papaya 

31. Eyes in tuber of potato are 

(A) Flower buds

(B) Stem buds 

(C) Axillary buds

(D) Root buds

32. Which in the following is unisexual? 

(A) Mustard 

(B) Chaina rose

(C) Papaya 

(D) None 

33. In which of the following, calyx covers the whole fruit? 

(A) Physalis 

(B) Tomato

(C) Brinjal 

(D) Litchi

34. Oestrus cycle occurs in 

(A) dog 

(B) cow

(C) buffalo 

(D) all of these

35. Which one of these is haploid? 

(A) Egg 

(B) Zygotes

(C) Integument

(D) Nucleus 

36. Which of the following is not true? 

(A) Humans and gymnoserms have diploid parental body

(B) Monera, fungi, bryophytes have haploid plant body

(C) A haploid parent produces gametes by mitotic diuision 

(D) Angiosperms have haploid parental body 

37. Which in the following reproduces by Apical part of leaf? 

(A) Walking ferms

(B) Sprout leaf planto

(C) Marchantia

(D) Moss 

38. Anthesis is associated with 

(A) Migration of pollengrains to stigma

(B) Formation of pollen B

(C) Development of Anther

(D) Opening of flowering buds 

39. Pollination in cycas takes place by 

(A) wind 

(B) soil

(C) water 

(D) none of these 

40. Which in the following sucks oxygen from stagnant water? 

(A) Eichhornia

(B) Hydrilla

(C) Rose 

(D) Paddy  

41. The offsprings produced by single parent is called 

(A) Sexual reproduction

(B) Asexual reproduction

(C) Both ‘A’ and ‘B’

(D) Internal fertilization 

42. Plants like Mosses and Ferms reproducing by spores are commonly included in which group?

(A) Sporophytes

(B) Thallophytes 

(C) Cryptogams

(D) Bryophytes 

43. Double fertilization results into 

(A) Cotyledon 

(B) Ovule

(C) Endosperm 

(D) Embryo

44. The process of gamete formation is called

(A) gametogenesis

(B) cytokinesis 

(C) sporogenesis

(D) meiocyte

45. In which of the following internal fertilization takes place? 

(A) Fish 

(B) Amphibian

(C) Most of algae

(D) Angiospersm

46. Upto the formation of fertilization ovule develops into seed while carpel develops into 

(A) Perisperm 

(B) Pericarp

(C) Testaw 

(D) None 

47. Which in the following is not oviparous? 

(A) Snake 

(B) Hen

(C) Crocodile 

(D) Human

48. Which in the following has flowering only once in life-span. 

(A) Bamboo 

(B) Mango

(C) Litchi 

(D) Blackberry

49. In which flowering takes place in every 12 yrs? 

(A) Sunflower 

(B) Peepal

(C) Neelakuranjee

(D) Neem

50. An example of Rhizome is 

(A) Garlic 

(B) Lemon

(C) Ginger 

(D) Onion 

51. Bud grafting is an example of 

(A) Vegetative Propagation

(B) tissue culture 

(C) Sexual reproduction

(D) Regeneration 

52. Which in the following is not bisexual? 

(A) Papaya 

(B) Mustard

(C) Maize 

(D) China rose

53. Asexual reproduction in Penicillium takes place mainly by which structure?

(A) Budding 

(B) Segmentation

(C) Conidia 

(D) Gemmules

54. Reproduction by Gemma occurs in 

(A) Higher plants

(B) Lower animals

(C) Some bryophytes

(D) Mammals

55. Which one is hermaphrodite animal? 

(A) Hen 

(B) Snake

(C) Both 

(D) Earthworm

56. To represent unisexuality which term is used? 

(A) Homogamy

(B) hermaphrodite

(C) Dioecious 

(D) heterogamy

57. Which of the following is not a vegetative propagation method? 

(A) Budding

(B) Hayering 

(C) Sowing 

(D) Tissue culture

58. The process of development of embryo is called 

(A) Vivipary

(B) Parthenogenesis

(C) Embryogenesis

(D) Sporogenesis

59. Which in the following has no requirement of water for gamete transfer?

(A) Algae 

(B) Bryophytes

(C) Pteriodophytes

(D) Gymnosperms 

60. Which in the following is not hermaphrodite? 

(A) Tapeworm 

(B) Dog

(C) Leech 

(D) Sponge 

61. The chromosome number in meiocyte of Drosophila (= Fruit fly) is

(A) 2 

(B) 4

(C) 6

(D) 8 

62. Flowering in bamboo species occurs 

(A) only one in entire life span 

(B) Once in 12 years

(C) Every year 

(D) Twice in 50-100 years.

63. The term Dioecious is used for 

(A) Bisexual 

(B) Unisexual

(C) Hermaphrodite

(D) Gynadromorph 

64. In animals which of the following occurs after puberty? 

(A) Vegetative phase

(B) Reproductive phase 

(C) Sensescenen

(D) Ageing

65. The term homothallic and Monoecious are used for which of the following?

(A) Bisexuality 

(B) Unisexuality

(C) Staminate flower

(D) Pistillate flower

66. The maximum life-span of Parrot is 

(A) 90 years 

(B) 25 years

(C) 500 years 

(D) 140 years 

67. Which in the following is bisexual plants? 

(A) Papayat 

(B) Date palm

(C) Coconut 

(D) Any two 

68. In which of the following there is no oestrous cycle? 

(A) Cow 

(B) Sheep

(C) Monkey 

(D) Dog 

69. Bulb acts as a propagule in 

(A) Onion 

(B) Agave

(C) Garlic 

(D) Both ‘A’ and ‘B’

70. Reproduction in penicillium takes place by 

(A) Bud 

(B) Fission

(C) Gemmules 

(D) Conidia

71. Reproduction in Amoeba take place by е расе by

(A) Conidia 

(B) Bud

(C) Gemmules 

(D) Binary fission

72. The organisms similar in morphology and genetically are called 

(A) Clone 

(B) Somaclone

(C) Cosmids 

(D) Cybrids

73. The time duration from birth to death is called 

(A) Life span 

(B) Life cycle

(C) Vegetative phase

(D) all of above

74. Vegetative propagation in Mint occurs by 

(A) Sucker 

(B) Runner

(C) Offset 

(D) Rhizome

75. The average life-span of Dog is 

(A) 20 years 

(B) 15 years

(C) 10 years 

(D) 5 years 

76. Acetabularia in the following is 

 (A) Bacteria 

(B) Algae

(C) Protozoa 

(D) Single cell proetein 

77. Scion is grafted on stock. The fruit of such grafted plant will depend on 

(A) Scion 

(B) Stock

(C) Both 

(D) None

78. The fusion of haploid cells/gametes is called 

(A) Cell-cycle 

(B) Meiosis

(C) Mitosis 

(D) Syngamy

79. Which one is diploid? 

(A) Egg 

(B) Pollen

(C) Both ‘A’ and ‘B’

(D) Zygote

80. The flowers which are flowering at night are the 

(A) Light coloured

(B) Smaller 

(C) Bright coloured

(D) Flowering in tufts

81. When gynoecium matures earlier than androecium, it is called

(A) protandry 

(B) allogamy

(C) protogyny 

(D) none of these

82. In which larval form Paedogenesis takes place? 

(A) Taenia 

(B) Fasciola

(C) Rana 

(D) Butterfly 

83. Oblique binary fission occurs in 

(A) Monocystis

(B) Plasmodium

(C) Planaria 

(D) Ceratium 

 84. Offsprings which are identical to one alongwith identical to their parents are

(A) Twins 

(B) Make carbon copy

(C) Drones

(D) Clone

85. No any organism except one in the following is immortal? 

(A) Unicellular organism

(B) Green plant

(C) Sponges

(D) Cyanobacteria 

86. The number of chromosome in human meiocyte is 

(A) 40

(B) 42

(C) 44 

(D) 46

87. If two gametes are morphologically similar in structure, so called 

(A) isogametes 

(B) heterogametes

(C) anisogametes

(D) exogamy

88. Motile ciliated spore is called 

(A) Aplanospores

(B) Conidia 

(C) Zoospores

(D) Oospores

89. Nodes are called “Eyes” which in the following forms a new plant?

(A) Ginger 

(B) Bryophyllum

(C) Allocasia 

(D) Potato

90. The life-spane of crocodile & May fly is respectively 

(A) 15 years, 1 week

(B) 30 years, 1 week

(C) 45 years, 1 month

(D) 60 years, 1 day 

91. Which in the following animal is bisexual? 

(A) earthworm, hydra & leech

(B) cockroach, Ascaris & hydra

(C) earthworm, Ascaris & leech

(D) Ascaris, cockroach & hydra 

92. Haploid chromosome is found in 

(A) Zygote 

(B) gamete

(C) embryo TV

(D) seed 

93. How many gamete is in pollen tube of any angiosperms? 

(A) one 

(B) two

(C) three 

(D) many 

94. If a male differs from female morphologically, it is called 

(A) Heterogamy

(B) Homogamy

(C) Sexual dimorphism

(D) Hermaphroditism 

95. Parthenogenesis is found in 

(A) Sxolotle larva

(B) Mircidium

(C) Cercaria

(D) Sporocyst & Redia larva

96. Ovoviviparity occurs in which of the following 

(A) Hen 

(B) Platypus

(C) Rattle snake

(D) Echindna

97. The number of chromosomes in meiocytes of housefly is

 (A) 8 

(B) 12

(C) 34 

(D) 21

98. Vegetative propagation in Pistia takes place by 

(A) Stolon 

(B) offset

(C) Runner 

(D) Sucker

99. In which of the following pollination takes place by water? 

(A) Oxalis 

(B) Comelina

(C) Zostera 

(D) Viola 

100. Which is oviparous? 

(A) Hen 

(B) Snake

(C) Crocodile 

(D) All 

101. In Gerontology there is study of 

(A) Birds 

(B) Bone

(C) Ageing 

(D) earth 

102. Which of the following has ability of reproduction without fertilization? 

(A) Spider 

(B) Cow

(C) Honey beeld

(D) Earthworm 

103. The number of chromosome in gamate of onion is 

(A) 8 

(B) 16

(C) 24 

(D) 32 

104. The organisms with maximum variations are with 

(A) Sexual reproduction

(B) Asexual reproduction

(C) Gametogenesis

(D) Vegetative reproduction

105. The organism having both male and femal reproductive organs is called

(A) Spore 

(B) Conjugation

(C) Bisexual 

(D) Unisexual

106. The 3-layered structure with newly formed cavity called archenteron is

(A) Blastula 

(B) Gastrula

(C) Cleavage 

(D) None

107. Double fertilization occurs in 

(A) Angiosperms

(B) Gymnosperms 

(C) Pteridophytes

(D) Bryophytes

108. Diploid chromosome number in potato is 

(A) 34 

(B) 40 

(C) 48 

 (D) 32 

109. Haploid chromosome number in dog is? 

(A) 23 

(B) 39

(C) 19 

(D) 4

110. In plants meiotic division occurs in 

(A) Root up 

(B) Pollen grains

(C) Stem tip 

(D) Anther 

111. The ovary of a flower is 

(A) haploid 

(B) diploid

(C) triploid 

(D) quadriploid

 112. The endosperm of an angiosperm is 

(A) hyploid 

(B) diploid

(C) triploid 

(D) None

113. Which animal in the following is not hermaphrodite? 

(A) Tapeworm 

(B) Earthworm

(C) Housefly 

(D) Leech 

114. Plasmotomy occurs in 

(A) Hydra 

(B) Obelia

(C) Opalina 

(D) Plasmodium

115. The development of seed from an unfertilized ovule is called

(A) Viviparous 

(B) Parthenocarpy

(C) Apogamy 

(D) Apospory

116. The formation of whole body of an organism from a small part or fragment is called

(A) Morphallaxis

(B) epimorphosis 

C) Morphogenesis

(D) Metabolism

117. In which of the following plant body is a gametophyte? 

(A) Algae 

(B) Fungi

(C) Bryophytes

(D) All of these

118. Which of the following is oviparous? 

(A) Crocodile 

(B) Snake

(C) Hen

(D) All of these

119. Bony fishes have …….. fertilization. 

(A) Internal 

(B) External

(C) Parthenogenesis

(D) None of these 

120. The process of release of ovum from ovary is called 

(A) Oogenesis 

(B) Ovulation

(C) Menstrual cycle

(D) Spermatogenesis 

121. Animals which give birth to their young ones are called 

 (A) Oviparious tent

(B) Viviparous 

(C) Amphibious

(D) Bisexual

122. The process by which formation of male and female gamete takes place is called

(A) Fertilization 

(B) Embryogenesis

(C) Gametogenesis

(D) Morphogenesis 

123. The fusion of Gamete produced by Mother & that of Father forms which of the following?

(A) Gamete 

(B) Zygote

(C) Offsprings 

(D) Clone

124. How many parents take part in the production of offsprings in asexual reproduction?

(A) one 

(B) two

(C) three 

(D) four 

125. In gamete which of the following set of chromosome is found 

(A) 2n

(B) 3n

(C) 4n 

(D) n

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>>  Class 12th Hindi 50 Marks Chapterwise Objective Question With Latest Model Set Paper

 1 मंगर ( रामवृक्ष बेनीपुरी )  
 2 पंच परमेश्वर ( प्रेमचंद )
 3 गौरा ( महादेवी वर्मा )
 4 कविवर रवीन्द्रनाथ ठाकुर ( हजारी प्रसाद दिवेदी )
 5  ठिठुरता हुआ गणतंत्र ( हरिशंकर परसाई )
 6  दोहे ( रहीम ) 
 7  जीवन – सन्देश ( रामनरेश त्रिपाठी )
 8  भारत माता ग्रामवासिनी ( सुमित्रा नंदा पन्त )
 9  हिमालय का सन्देश ( रामधारी सिंह दिनकर )
 10   सुंदर का ध्यान कहीं सुन्दर ( गोपाल सिंह नेपाली)
 11  जीवन का झरना ( आरसी प्रसाद सिंह ) 

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