Bihar Board Inter Exam 2022 All Type Question Format and PDF Chapter Wise Study Note of All (MCQs, Short Question And\u00a0 Long Question) <\/span><\/p>\n bihar board<\/a> class 12 Science<\/a> all subject And Objective note and pdf<\/span><\/p>\n Class 12th Biology VVI Objective Question<\/p>\n 1. (b) they can tolerate any degree of change in temperature<\/p>\n (c) they can reproduce throughout their life span<\/p>\n (d) they continue to live as their daughter cells. 2. The process of formation of gametes is called<\/p>\n (a) Gametogenesis<\/p>\n (b) Cytokinesis<\/p>\n (c) Sporogenesis<\/p>\n (d) Meiocytes<\/p>\n Answer \u21d2 A<\/p>\n 3. 4. Viviparity is found in<\/p>\n (a) sharks<\/p>\n (b) lizards<\/p>\n (c) frogs<\/p>\n (d) birds<\/p>\n Answer \u21d2 A<\/p>\n 5. Internal fertilization takes place in<\/p>\n (a) birds<\/p>\n (b) frog<\/p>\n (c) algae<\/p>\n (d) fish<\/p>\n Answer \u21d2 A<\/p>\n 6. 7. 8. 9. 10. 11. What is fertilization?<\/p>\n (a) The fusion of egg with male nuclei.<\/p>\n (b) The fusion of egg with secondary nucleus<\/p>\n (c) The fusion of egg with synergid<\/p>\n (d) None of these<\/p>\n Answer \u21d2 B<\/p>\n 12. Haploid chromosome number in a dog is<\/p>\n (a) 23<\/p>\n (b) 39<\/p>\n (c) 19<\/p>\n (d) 4<\/p>\n Answer \u21d2 B<\/p>\n 13. Penicillium reproduces by :<\/p>\n (a) budding<\/p>\n (b) fragmentation<\/p>\n (c) gemmules<\/p>\n (d) conidia<\/p>\n Answer \u21d2 D<\/p>\n 14. 15. 16. Which one of these is haploid?<\/p>\n (a) Egg<\/p>\n (b) Zygote<\/p>\n (c) Integument<\/p>\n (d) Nucellus<\/p>\n Answer \u21d2 A (a) Egg<\/p>\n (b) Pollen<\/p>\n (c) Male gamete<\/p>\n (d) Zygote<\/p>\n Answer \u21d2 D<\/p>\n 18. 19. 20. Diploid chromosome number in potato is<\/p>\n (a) 34<\/p>\n (b) 40<\/p>\n (c) 48<\/p>\n (d) 32<\/p>\n Answer \u21d2 C<\/p>\n 21. 22. 23. Parthenogenesis is the development of<\/p>\n (a) fruit without hormones<\/p>\n (b) embryo without fertilization<\/p>\n (c) embryo from an egg without fertilization<\/p>\n (d) fruit without fertilization<\/p>\n Answer \u21d2 C (a) Perisperm<\/p>\n (b) Pericarp<\/p>\n (c) Testa<\/p>\n (d) None of these<\/p>\n Answer \u21d2 B<\/p>\n 25. 26. 27. New plants develop from leaves in<\/p>\n (a) Eichhornia<\/p>\n (b) Bryophyllum<\/p>\n (c) Cycas<\/p>\n (d) Gladiolus<\/p>\n Answer \u21d2 B<\/p>\n (a) algae<\/p>\n (b) reptiles<\/p>\n (c) birds<\/p>\n (d) mammals<\/p>\n Answer \u21d2 A<\/p>\n 29. Bihar Board 12th Biology Objective Answers Chapter 1 Reproduction in Organisms 31. Reproduction by \u2018budding\u2019 occurs in<\/p>\n (a) yeast<\/p>\n (B) paramoecium<\/p>\n (C) penicillium<\/p>\n (D) all of these<\/p>\n Answer \u21d2 A<\/p>\n 32. 33. In which of the following fertilization is internal?<\/p>\n (a) Fishes<\/p>\n (b) Amphibians<\/p>\n (c) Majority of Algae<\/p>\n (d) Angiosperms<\/p>\n Answer \u21d2 D (a) Sexual reproduction involves the formation and fusion of gametes<\/p>\n (b) Pre-fertilization events include gametogenesis and gamete transfer<\/p>\n (c) Gametes are diploid in nature.<\/p>\n (d) Syngamy occurs between the male and female gametes<\/p>\n Answer \u21d2 C<\/p>\n 35. 36. Morphologically and genetically similar organisms are called<\/p>\n (a) clone<\/p>\n (b) somaclones<\/p>\n (c) cosmids<\/p>\n (d) hybrids<\/p>\n Answer \u21d2 A (a) Algae<\/p>\n (b) Bryophytes<\/p>\n (c) Pteridophytes<\/p>\n (d) Gymnosperms<\/p>\n Answer \u21d2 D<\/p>\n Class 12th Biology VVI Objective Question<\/p>\n 38. 39. 40. Which of the following reproduces by budding?<\/p>\n (a) Hydra<\/p>\n (b) Saccharomyces<\/p>\n (c) Amoeba<\/p>\n (d) (a) and (b)<\/p>\n Answer \u21d2 D (a) Sycon<\/p>\n (b) Rhizopus<\/p>\n (c) Mucor<\/p>\n (d) (b) and (c)<\/p>\n Answer \u21d2 D<\/p>\n 42. 43. 44. Which statement is correct with regard to Eichhornia?<\/p>\n (a) It is an aquatic plant.<\/p>\n (b) It is also known as the terror of Bengal.<\/p>\n (c) It reproduces by offset.<\/p>\n (d) All of the above<\/p>\n Answer \u21d2 D (a) Agave<\/p>\n (b) bamboo<\/p>\n (c) (a) and (b)<\/p>\n (d) Kalanchoe<\/p>\n Answer \u21d2 C<\/p>\n 46. 47. Internal fertilization takes place in<\/p>\n (a) Mammals<\/p>\n (b) Reptiles<\/p>\n (c) Birds<\/p>\n (d) All of the above<\/p>\n Answer \u21d2 D<\/p>\n 48. 49. 50. Which of the following are formed without completion of the fertilization process?<\/p>\n (a) Bee<\/p>\n (b) Pea<\/p>\n (c) Rotifers<\/p>\n (d) (a) and (c)<\/p>\n Answer \u21d2 D<\/p>\n Class 12th Biology VVI Objective Question Reproduction In Organism Chapter 1 Important Question Answers Bihar Board Inter Exam 2022 All Type Question Format and PDF Chapter Wise Study Note of All (MCQs, Short Question And\u00a0 Long Question) bihar board class 12 Science all subject And Objective note and pdf Class 12th Biology VVI Objective Question […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"footnotes":""},"categories":[2550],"tags":[2560,2553,2552,2589,2588,2578,2573,2565,2564,2576,2574,2580,2554,2556,2593,2562,2563,2561,2575,2592,2584,2591,2590,2558,2557,2581,2570,2579,2551,2571,2572,2586,2555,2577,2567,2566,2568,2582,2583,2585,2587,2559,2569],"class_list":["post-14313","post","type-post","status-publish","format-standard","hentry","category-12th-biology","tag-chapter-1-important-question-answers","tag-mcq-based-on-reproduction-in-organisms","tag-mcq-for-reproduction-in-organisms","tag-mcq-on-reproduction-in-animals","tag-mcq-on-reproduction-in-organisms","tag-mcq-on-reproduction-in-organisms-class-10","tag-mcq-on-reproduction-in-organisms-class-12","tag-mcq-on-reproduction-in-organisms-class-8","tag-mcq-on-reproduction-in-organisms-for-neet","tag-mcq-on-reproduction-in-organisms-neet","tag-mcq-on-reproduction-in-organisms-pdf","tag-mcq-on-reproduction-in-organisms-pdf-class-10","tag-mcq-questions-on-reproduction-in-organisms","tag-mcq-questions-on-reproduction-in-organisms-class-12","tag-mcq-questions-on-reproduction-in-plants-class-7","tag-mcq-reproduction-in-organisms","tag-mcq-reproduction-in-organisms-class-10","tag-mcq-reproduction-in-organisms-class-12","tag-mcq-reproduction-in-plants","tag-mcq-reproduction-in-plants-class-7","tag-mcqs-on-reproduction-in-organisms","tag-mcqs-on-reproduction-in-organisms-class-10","tag-mcqs-on-reproduction-in-organisms-class-12","tag-multiple-choice-questions-on-how-do-organisms-reproduce","tag-multiple-choice-questions-on-reproduction-in-organisms","tag-neet-mcq-on-reproduction-in-organisms-pdf","tag-neet-mcq-reproduction-in-organisms","tag-objective-questions-of-reproduction-in-organisms","tag-objective-questions-on-reproduction-in-organisms","tag-reproduction-in-organisms-class-12-mcq-for-neet","tag-reproduction-in-organisms-class-12-mcq-pdf-download","tag-reproduction-in-organisms-class-12-mcq-test","tag-reproduction-in-organisms-class-12-objective-questions","tag-reproduction-in-organisms-mcq","tag-reproduction-in-organisms-mcq-for-neet-pdf","tag-reproduction-in-organisms-mcq-for-neet-pdf-download","tag-reproduction-in-organisms-mcq-pdf-download","tag-reproduction-in-organisms-mcq-questions","tag-reproduction-in-organisms-mcq-questions-for-neet","tag-reproduction-in-organisms-mcq-test","tag-reproduction-in-organisms-mcq-with-answers","tag-reproduction-in-organisms-ncert-mcq","tag-reproduction-in-organisms-neet-mcq-pdf"],"_links":{"self":[{"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/posts\/14313"}],"collection":[{"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/comments?post=14313"}],"version-history":[{"count":0,"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/posts\/14313\/revisions"}],"wp:attachment":[{"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/media?parent=14313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/categories?post=14313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/examfriends.com\/wp-json\/wp\/v2\/tags?post=14313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Class](\"https:\/\/examfriends.com\/wp-content\/uploads\/2021\/07\/website-image-1-300x53.png\")
<\/p>\n
\nSingle-celled animals are said to be immortal because
\n(a) they grow indefinitely in size<\/p>\n
\nAnswer:
\n(d) they continue to live as their daughter cells.<\/p>\n
\nSelect the option which arranges the given organisms in ascending order of their life span.
\n(a) Parrot < Crow < Butterfly < Banyan tree
\n(b) Butterfly < Crow < Parrot < Crocodile
\n(c) Fruit fly < Crocodile < Parrot < Banyan tree
\n(d) Parrot < Tortoise < Dog < Crow
\nAnswer:
\n(c) Fruit fly < Crocodile < Parrot < Banyan tree<\/p>\n
\nThe 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 plant shall be
\n(a) 20
\n(b) 10
\n(c) 40
\n(d) 15
\nAnswer:
\n(a) 20<\/p>\n
\n\u2018Clones\u2019 are individuals that have exactly the same
\n(a) Lifespan
\n(b) physiology
\n(c) growth rate
\n(d) genetic makeup.
\nAnswer:
\n(d) genetic makeup.<\/p>\n
\nMeiosis does not occur in
\n(a) asexually reproducing diploid individuals
\n(b) sexually reproducing haploid individuals
\n(c) sexually reproducing diploid individuals
\n(d) all of these.
\nAnswer:
\n(a) asexually reproducing diploid individuals<\/p>\n
\nWhich of the labelled parts in the transverse section of tomato fruit, is\/are diploid?
\nBihar Board 12th Biology Objective Answers Chapter 1 Reproduction in Organisms 6
\n(a) X
\n(b) Y
\n(c) Both X and Y
\n(d) None of these
\nAnswer:
\n(c) Both X and Y<\/p>\n
\nThere are various types of reproduction. The type of reproduction adopted by an organism depends on
\n(a) the habitat and morphology of the organism
\n(b) morphology of the organism
\n(c) morphology and physiology of the organism
\n(d) the organisms habitat, physiology and genetic makeup.
\nAnswer:
\n(d) the organisms habitat, physiology and genetic makeup.<\/p>\n
\nFleshy buds produced in the axil of leaves, which grow to form new plants when shed and fall on ground, are called
\n(a) bulbs
\n(b) bulbils
\n(c) tubers
\n(d) offsets.
\nAnswer:
\n(b) bulbils<\/p>\n
\nIn which one pair, both the plants can be vegetatively propagated by leaf pieces?
\n(a) Bryophyllum and Kalanchoe
\n(b) Chrysanthemum and Agave
\n(c) Agave and Dioscorea
\n(d) Bryophyllium and Asparagus
\nAnswer:
\n(a) Bryophyllum and Kalanchoe<\/p>\n
\n17. Which one of these is diploid?<\/p>\n
\nWhich of the following cannot serve as a vegetative propagule?
\n(a) A piece of potato tuber with eyes
\n(b) A middle piece of sugarcane internode
\n(c) A piece of ginger rhizome
\n(d) A marginal piece of Bryophyllum leaf
\nAnswer:
\n(b) A middle piece of sugarcane internode<\/p>\n
\nWhich of the following options correctly identifies artificial and natural methods of vegetative propagation?
\nArtificial methods \u2013 Natural methods
\n(a) Grafting \u2013 Cutting
\n(b) Layering \u2013 Bulbils
\n(c) Offset \u2013 Tissue culture
\n(d) Tubers \u2013 Rhizomes
\nAnswer:
\n(b) Layering \u2013 Bulbils<\/p>\n
\nThe growth phase of an organism before attaining sexual maturity is referred to as
\n(a) juvenile phase
\n(b) vegetative phase
\n(c) both (a) and (b)
\n(d) none of these.
\nAnswer:
\n(c) both (a) and (b)<\/p>\n
\nSelect the monocarpic plant out of the following.
\n(a) Bamboo
\n(b) Lite hi
\n(c) Mango
\n(d) All of these
\nAnswer:
\n(a) Bamboo<\/p>\n
\n24. Upon fertilization, while the ovule develops into a seed, which structure develops from the carpel?<\/p>\n
\nStrobilanthus kunthiana differs from bamboo in
\n(a) being monocarpic
\n(b) length of juvenile phase
\n(c) being polycarpic
\n(d) none of these.
\nAnswer:
\n(b) length of juvenile phase<\/p>\n
\nOestrous cycle is reported in
\n(a) cows and sheep
\n(b) humans and monkeys
\n(c) chimpanzees and gorillas
\n(d) none of these.
\nAnswer:
\n(a) cows and sheep<\/p>\n
\n28. External fertilization takes place in<\/p>\n
\nIf a fungal thallus has both male and female reproductive structures, it will be called
\n(a) heterothallic
\n(b) homothallic
\n(c) dioecious
\n(d) monoecious
\nAnswer:
\n(b) homothallic<\/p>\n
\n30.
\nStaminate flowers produce
\n(a) eggs
\n(b) antherozoids
\n(c) fruits
\n(d) all of these
\nAnswer:
\n(b) antherozoids<\/p>\n
\nWhich of the following groups is formed only of the hermaphrodite organisms?
\n(a) Earthworm, tapeworm, housefly, frog
\n(b) Earthworm, tapeworm, sea horse, housefly
\n(c) Earthworm, leech, sponge, roundworm
\n(d) Earthworm, tapeworm, leech, sponge
\nAnswer:
\n(d) Earthworm, tapeworm, leech, sponge<\/p>\n
\n34. Which one is incorrect?<\/p>\n
\nRead the following statements and select the incorrect one.
\n(a) Cucurbits and coconuts are monoecious plants.
\n(b) Papayas and date palms are dioecious plants.
\n(c) Leeches and tapeworms are bisexual animals.
\n(d) Sponges and coelenterates are unisexual animals.
\nAnswer:
\n(d) Sponges and coelenterates are unisexual animals.<\/p>\n
\n37. In which of the following water is not essential for gamete transfer?<\/p>\n<\/p>\n
\nIn maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
\n(a) 40
\n(b) 30
\n(c) 20
\n(d) 10
\nAnswer:
\n(c) 20<\/p>\n
\nIf a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
\n(a) 380
\n(b) 190
\n(c) 95
\n(d) 760
\nAnswer:
\n(b) 190<\/p>\n
\n41. Aplanospores are formed in<\/p>\n
\nFertilisation cannot occur in absence of surface water in
\n(a) Fucus
\n(b) Funaria
\n(c) Marsilea
\n(d) all of these.
\nAnswer:
\n(d) all of these.<\/p>\n
\nSpirogyra is a sexually reproducing alga in which vegetative thallus is haploid. In Spirogyra, meiosis
\n(a) never occurs
\n(b) occurs at time of gamete production
\n(c) occurs after fertilisation
\n(d) occurs during vegetative growth.
\nAnswer:
\n(c) occurs after fertilisation<\/p>\n
\n45. Which one is monocarpic?<\/p>\n
\nOffsprings of oviparous animals are at greater risk of survival as compared to those of viviparous animals because
\n(a) proper embryonic care and protection is absent
\n(b) embryo does not develop completely
\n(c) progenies are of smaller size
\n(d) genetic variations do not occur.
\nAnswer:
\n(a) proper embryonic care and protection is absent<\/p>\n
\nSelect the option which shows viviparous animals only,
\n(a) Lizard, Turtile
\n(b) Platypus, Crocodile
\n(c) Cow, Crocodile
\n(d) Whale, Mouse
\nAnswer:
\n(d) Whale, Mouse<\/p>\n
\nWhich of the following animals give birth to young ones?
\n(a) Ornithorhynchus and Echidna
\n(b) Macropus and Pteropus
\n(c) Balaenoptera and Homo sapiens
\n(d) Both (a) and (c)
\nAnswer:
\n(d) Both (a) and (c)<\/p>\n<\/p>\nClass 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 <\/span>\r\nClass 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0 Class 12th Biology VVI Objective Question\u00a0<\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"