Class-12 Biology Ch-1 Reproduction in Organisms MCQs Exam 2027 New

💁 Ankit Raj

📅 27/02/2026

Class-12 Biology Ch-1 Reproduction in Organisms MCQs Exam 2027

Class 12 Biology Ch-1 Reproduction in Organisms MCQs Exam 2027 Details: नीचे दिए गए सभी Questions Bihar Board परीक्षा 2027 के लिए “Very Very Important Multiple Choice Questions (MCQs) Objective” (अत्यंत महत्वपूर्ण प्रश्न) हैं। इन सभी Class 12th Biology /जीवविज्ञान ) = जीवविज्ञान भाग-1 (English Medium) Book Chapter-1 Reproduction in Organisms का Questions का Solve का वीडियो Youtube और Website पर Upload किया है।

Class-12 Biology Ch-1 Reproduction in Organisms MCQs Exam 2027

Unit 1: Reproduction – Topic-wise Practice Questions

Topic 1: Reproduction in Organisms

  1. The period from birth to natural death is called— [2026A]

    (A) Birth rate

    (B) Death

    (C) Life cycle

    (D) Life-span

  2. What is the maximum life span of a Parrot? [2026A]

    (A) 90 years

    (B) 25 years

    (C) 500 years

    (D) 140 years

  3. In Bamboo species, flowering occurs— [2026A]

    (A) Only once in a lifetime

    (B) Once in 12 years

    (C) Every year

    (D) Twice in 50-100 years

  4. Plants that flower and fruit only once in their lifetime are called— [2026A]

    (A) Monocarpic

    (B) Polycarpic

    (C) Vegetative plants

    (D) Reproductive plants

  5. When offspring is produced by a single parent, it is called— [2021A]

    (A) Sexual reproduction

    (B) Asexual reproduction

    (C) Both (A) and (B)

    (D) Internal fertilization

  6. Offspring that are identical to each other and to their parents are called— [2026A]

    (A) Twins

    (B) Replicas

    (C) Drones

    (D) Clone

  7. Reproduction in Yeast mainly occurs through— [2019A]

    (A) Budding

    (B) Fragmentation

    (C) Pollination

    (D) All of these

  8. Reproduction by budding occurs in— [2026A]

    (A) Yeast

    (B) Paramecium

    (C) Penicillium

    (D) All of these

  9. In Penicillium, asexual reproduction occurs through— [2018A]

    (A) Bud

    (B) Conidia

    (C) Zoospore

    (D) Fragmentation

  10. How does reproduction occur in Amoeba? [2019A]

    (A) Fragmentation

    (B) Budding

    (C) Binary fission

    (D) None of these

  11. Binary fission is found in— [2021A]

    (A) Amoeba

    (B) Paramecium

    (C) Both (A) and (B)

    (D) None of these

  12. What type of binary fission occurs in Paramecium? [2023A]

    (A) Simple fission

    (B) Transverse binary fission

    (C) Longitudinal binary fission

    (D) Oblique fission

  13. Which of the following undergoes Longitudinal binary fission? [2026A]

    (A) Euglena

    (B) Plasmodium

    (C) Planaria

    (D) Paramecium

  14. Cell division is itself a mode of reproduction in— [2022A]

    (A) Monera

    (B) Protista

    (C) Both (A) and (B)

    (D) Fungi

  15. Motile ciliated spores are called— [2026A]

    (A) Aplanospores

    (B) Conidia

    (C) Zoospores

    (D) Oospores

  16. Internal buds in Sponges are called— [2021A]

    (A) Gemmules

    (B) Conidia

    (C) Zoospore

    (D) All of these

  17. In Ginger, vegetative propagation occurs through— [2020A]

    (A) Rhizome

    (B) Root

    (C) Tuber

    (D) Bulb

  18. Propagation in Onion occurs by— [2023A]

    (A) Leaves

    (B) Rhizome

    (C) Seeds

    (D) Bulb

  19. In Agave, vegetative propagation occurs by— [2020A]

    (A) Bulbils

    (B) Runner

    (C) Rhizome

    (D) Sucker

  20. In Bryophyllum and Kalanchoe, vegetative reproduction occurs by— [2026A]

    (A) Stem

    (B) Leaf buds/segments

    (C) Root

    (D) None of these

  21. Nodes called ‘Eyes’ produce new plants in— [2026A]

    (A) Ginger

    (B) Bryophyllum

    (C) Alocasia

    (D) Potato

  22. What are ‘Eyes’ in a Potato tuber? [2020A]

    (A) Root buds

    (B) Axillary buds

    (C) Flower buds

    (D) None of these

  23. Production of plants without fertilization is done by— [2022A]

    (A) Grafting

    (B) Transplantation

    (C) Vegetative propagation

    (D) Both (A) and (B)

  24. Grafting is not possible in Sugarcane because— [2026A]

    (A) Vascular bundles are scattered

    (B) Phloem is inside the Xylem

    (C) Sugarcane plants are delicate

    (D) It cannot withstand injury

  25. Grafting is rarely found in Monocot plants because— [2026A]

    (A) Monocots have closed vascular bundles

    (B) Monocots lack Cambium

    (C) Monocots are herbaceous

    (D) Monocots have parallel venation

  26. What is possible in micropropagation? [2021A]

    (A) Asexual reproduction

    (B) Sexual reproduction

    (C) Both (A) and (B)

    (D) None of these

  27. Sexual reproduction is responsible for— [2026A]

    (A) Maintaining diploid state

    (B) Creating identical young ones

    (C) Having no role in evolution

    (D) Creating haploid state

  28. In animals, the stage after juvenile phase is— [2026A]

    (A) Vegetative phase

    (B) Reproductive phase

    (C) Adult phase

    (D) Senescent phase

  29. The process of fusion of haploid cells is called— [2026A]

    (A) Cell cycle

    (B) Meiosis

    (C) Mitosis

    (D) Syngamy

  30. Isogametes are found in— [2023A]

    (A) Frog

    (B) Fucus

    (C) Bird

    (D) Cladophora

  31. If two gametes look identical, they are called— [2026A]

    (A) Isogametes

    (B) Heterogametes

    (C) Anisogametes

    (D) Exogamy

  32. Gametes are generally of which type? [2019A]

    (A) Haploid

    (B) Diploid

    (C) Polyploid

    (D) Nulliploid

  33. In which of the following is the plant body haploid? [2020A]

    (A) Algae

    (B) Fungi

    (C) Bryophytes

    (D) All of these

  34. Amphimixis refers to— [2026A]

    (A) Reaction between Antifertilizin and Fertilizin

    (B) Fusion of male and female pronuclei

    (C) Formation of reception cone by Ovum

    (D) Penetration of Ovum by Sperm

  35. In which condition is the term ‘Dioecious’ used? [2026A]

    (A) Bisexual

    (B) Unisexual

    (C) Hermaphrodite

    (D) Gynandromorph

  36. The terms ‘Homothallic’ and ‘Monoecious’ are used for— [2026A]

    (A) Bisexual condition

    (B) Unisexual condition

    (C) Staminate flower

    (D) Pistillate flower

  37. Earthworm is an animal— [2016A]

    (A) Unisexual

    (B) Bisexual

    (C) Neuter

    (D) None of these

  38. Which of the following is a bisexual animal? [2021A]

    (A) Hen

    (B) Snake

    (C) Both (A) and (B)

    (D) Earthworm

  39. Which are bisexual animals? [2026A]

    (A) Earthworm, Hydra, and Tapeworm

    (B) Cockroach, Ascaris, and Leech

    (C) Earthworm, Ascaris, and Hydra

    (D) Ascaris, Cockroach, and Leech

  40. Which of the following is NOT a hermaphrodite? [2017A]

    (A) Tapeworm

    (B) Earthworm

    (C) Housefly

    (D) Leech

  41. When male is morphologically different from female, it is called— [2023A]

    (A) Homosexuality

    (B) Sexual dimorphism

    (C) Heterosexuality

    (D) Hermaphroditism

  42. The term ‘Parthenogenesis’ was coined by— [2023A]

    (A) Boveri

    (B) Owen

    (C) Sutton

    (D) Johannsen

  43. Development of an embryo from an unfertilized egg is called— [2021A]

    (A) Parthenogenesis

    (B) Apomixis

    (C) Amphimixis

    (D) None of these

  44. Natural Parthenogenesis is found in— [2021A]

    (A) Housefly

    (B) Honeybee

    (C) Mosquito

    (D) None of these

  45. Which of the following is Oviparous? [2026A]

    (A) Hen

    (B) Snake

    (C) Crocodile

    (D) All of these

  46. Which of the following is NOT Oviparous? [2015A]

    (A) Snake

    (B) Hen

    (C) Crocodile

    (D) Human

  47. Which of the following is a Viviparous animal? [2014A]

    (A) Hen

    (B) Cow

    (C) Snake

    (D) Crocodile

  48. In which of the following animals is Ovoviviparity found? [2026A]

    (A) Hen

    (B) Platypus

    (C) Rattle snake

    (D) Echidna

  49. Diploids are— [2026A]

    (A) Egg

    (B) Pollen

    (C) Both (A) and (B)

    (D) Zygote

  50. Which of the following is a diploid structure? [2020A, 2021A]

    (A) Ovum

    (B) Endosperm

    (C) Zygote

    (D) All of these

  51. Formation of a whole body from a small piece of an organism is called— [2026A]

    (A) Morphallaxis

    (B) Epimorphosis

    (C) Morphogenesis

    (D) Metabolism

  52. Which of the following is the correct sequence? [2026A]

    (A) Gametogenesis – Syngamy – Embryogenesis – Zygote

    (B) Syngamy – Gametogenesis – Zygote – Embryogenesis

    (C) Gametogenesis – Syngamy – Zygote – Embryogenesis

    (D) Zygote – Embryogenesis – Syngamy – Gametogenesis

  53. How many times do Pacific Salmon fish and Bamboo breed in their lifetime? [2024A]

    (A) Once

    (B) Many times

    (C) Twice

    (D) Never

Topic 2: Sexual Reproduction in Flowering Plants

  1. Who discovered sexual reproduction in flowering plants? [2026A]

    (A) Nawaschin

    (B) Camerarius

    (C) Panchanan Maheshwari

    (D) Strasburger

  2. Which of the following is a part of the Pistil? [2023A]

    (A) Stigma

    (B) Style

    (C) Ovary

    (D) All of the above

  3. The Pistil in flowers consists of— [2021A]

    (A) Stigma

    (B) Style

    (C) Ovary

    (D) All of these

  4. The male reproductive organ of a flower is called— [2022A]

    (A) Gynoecium

    (B) Androecium

    (C) Corolla

    (D) None of these

  5. In plants, where is meiosis found? [2026A]

    (A) Root tip

    (B) Pollen grain

    (C) Stem tip

    (D) Anther

  6. Pollen grains can be— [2021A]

    (A) Gametophyte

    (B) Ornamental

    (C) Allergens

    (D) All of these

  7. The largest nucleus in a Pollen grain is— [2021A]

    (A) Tube nucleus

    (B) Generative nucleus

    (C) Meiotic nucleus

    (D) None of these

  8. Which cells are present in the pollen grain of Angiospermic plants? [2026A]

    (A) Vegetative cell

    (B) Generative cell

    (C) Antipodal cell

    (D) Both (A) and (B)

  9. In flowering plants, male gametes are formed by the division of— [2021A]

    (A) Vegetative cell

    (B) Generative cell

    (C) Microspore

    (D) None of these

  10. The outer wall of pollen (Exine) is made of— [2021A]

    (A) Pectocellulose

    (B) Lignocellulose

    (C) Sporopollenin

    (D) Pollen kit

  11. Which of the following is one of the most resistant organic materials? [2026A]

    (A) Pectin

    (B) Cellulose

    (C) Sporopollenin

    (D) Chitin

  12. The inner wall (Intine) of pollen is made of— [2021A]

    (A) Sporopollenin

    (B) Cellulose and Pectin

    (C) Lignin

    (D) Cutin

  13. A pore in the Exine of a pollen grain is called— [2022A]

    (A) Micropyle

    (B) Germ pore

    (C) Hilum

    (D) Chalaza

  14. The study of Pollen grains is called— [2023A]

    (A) Cytology

    (B) Palynology

    (C) Myology

    (D) Ethology

  15. Sporogenesis is defined as— [2026A]

    (A) Development and formation of spores

    (B) Production of Mitospores

    (C) Production of Meiospores

    (D) Formation of zygote and embryo

  16. How many male gametes are formed from one meiotic cell division? [2026A]

    (A) 4

    (B) 1

    (C) 2

    (D) 8

  17. If MMC has 24 chromosomes, the number of chromosomes in the endosperm will be— [2026A]

    (A) 12

    (B) 24

    (C) 36

    (D) 48

  18. If MMC of Maize has 10 chromosomes, how many chromosomes will be in the Aleurone layer? [2026A]

    (A) 10

    (B) 15

    (C) 20

    (D) 25

  19. If Antipodal cells of a plant have 8 chromosomes, how many chromosomes will be in its Aleurone layer? [2026A]

    (A) 16

    (B) 24

    (C) 32

    (D) 8

  20. The egg apparatus of an Embryo sac contains— [2023A]

    (A) Egg cell and Synergids

    (B) Egg cell and Antipodals

    (C) Central cell and Synergids

    (D) Only egg cell

  21. The Central cell of the Embryo sac is— [2021A]

    (A) Primary nucleus

    (B) Secondary nucleus

    (C) Helper cell

    (D) Both (A) and (B)

  22. What plays an important role in guiding the pollen tube into the synergids? [2026A]

    (A) Antipodals

    (B) Filiform apparatus

    (C) Central cell

    (D) Micropyle

  23. In an Angiosperm, how many gametes are present in the pollen tube? [2026A]

    (A) One

    (B) Two

    (C) Three

    (D) Many

  24. Anemophilous flowers (Wind-pollinated) are generally— [2015A]

    (A) Attractive

    (B) Small

    (C) Colorless

    (D) Both (B) and (C)

  25. Wind pollination does NOT occur in— [2011A]

    (A) Grass

    (B) Maize

    (C) Wheat

    (D) Salvia

  26. Anemophily is pollination by— [2019A]

    (A) Bird

    (B) Bat

    (C) Snail

    (D) Wind

  27. In Entomophily, pollination occurs by— [2014A]

    (A) Water

    (B) Insect

    (C) Air

    (D) Bird

  28. Pollination in Lotus occurs by— [2020A]

    (A) Water

    (B) Air

    (C) Insect

    (D) All of these

  29. Lever mechanism in pollination is found in— [2026A]

    (A) Antirrhinum

    (B) Ficus

    (C) Wheat

    (D) Salvia

  30. Flowers of Vallisneria are— [2019A]

    (A) Anemophilous

    (B) Entomophilous

    (C) Hydrophilous

    (D) Zoophilous

  31. Which of the following has ‘Hydrophily’ (Water pollination)? [2012A]

    (A) Water Hyacinth

    (B) Lotus

    (C) Hydrilla

    (D) Both (B) and (C)

  32. Pollination induces abscission of all floral parts, EXCEPT— [2026A]

    (A) Anther

    (B) Pistil

    (C) Sepals

    (D) Receptacles

  33. In which of the following is Double Fertilization found? [2026A]

    (A) Angiosperms

    (B) Gymnosperms

    (C) Pteridophytes

    (D) Bryophytes

  34. Who discovered Double Fertilization? [2016A]

    (A) Nawaschin

    (B) Leeuwenhoek

    (C) Strasburger

    (D) Watson

  35. Which of the following fuses with a male gamete to form Endosperm? [2011A]

    (A) Unfertilized egg

    (B) Synergid cell

    (C) Secondary nucleus

    (D) Antipodals

  36. After triple fusion, which cell of the embryo sac becomes the Primary Endosperm Cell? [2026A]

    (A) Central cell

    (B) Synergids

    (C) Antipodals

    (D) Egg cell

  37. What is Endosperm? [2020A]

    (A) Haploid

    (B) Diploid

    (C) Triploid

    (D) None of these

  38. What is the genetic structure of Endosperm? [2018A]

    (A) n

    (B) 2n

    (C) 3n

    (D) 4n

  39. Seeds with endosperm are called— [2012A]

    (A) Apocarpic

    (B) Polyembryonic

    (C) Endocarpic

    (D) Endospermic

  40. What is nourished by the Endosperm? [2026A]

    (A) Seed

    (B) Fruit

    (C) Endosperm

    (D) Embryo

  41. After fertilization, the Ovule develops into— [2021A]

    (A) Mesocarp

    (B) Seed

    (C) Embryo

    (D) Fruit

  42. After fertilization, the fruit is formed from— [2022A]

    (A) Ovule

    (B) Ovary

    (C) Petals

    (D) Stamen

  43. Which of the following is a False Fruit? [2017A]

    (A) Mango

    (B) Lemon

    (C) Paddy

    (D) Apple

  44. Which of the following is a Parthenocarpic fruit? [2017A]

    (A) Banana

    (B) Apple

    (C) Mango

    (D) Grapes

  45. Aril is formed from— [2016A]

    (A) Pericarp

    (B) Epicarp

    (C) Integuments

    (D) Nucellus

  46. In which fruit is the Aril edible? [2026A]

    (A) Custard Apple

    (B) Litchi

    (C) Nutmeg

    (D) All of these

  47. The edible part of Litchi is— [2011A]

    (A) Aril

    (B) Mesocarp

    (C) Endosperm

    (D) Epicarp

  48. Chilgoza is obtained from— [2022A]

    (A) Cycas

    (B) Pinus

    (C) Gnetum

    (D) Cedrus

  49. In which of the following seeds is Perisperm NOT found? [2026A]

    (A) Beet

    (B) Black pepper

    (C) Wheat

    (D) Both (A) and (B)

  50. What is the ornamental part in a Maize grain? [2022A]

    (A) Cotyledon

    (B) Embryo

    (C) Endosperm

    (D) Pericarp

  51. In the grass family, the cotyledon is called— [2026A]

    (A) Plumule

    (B) Radicle

    (C) Hypocotyl

    (D) Scutellum

  52. Where is Polyembryony most commonly found? [2018A]

    (A) Maize

    (B) Citrus

    (C) Wheat

    (D) Paddy

  53. Which seed contains more than one embryo? [2026A]

    (A) Citrus

    (B) Mango

    (C) Orange

    (D) All of these

  54. The process of formation of Zygote within the Embryo sac is called— [2023A]

    (A) Fertilization

    (B) Gametogenesis

    (C) Embryogeny

    (D) None of these

  55. In which of the following plant species are seeds produced by Apomixis? [2018A]

    (A) Asteraceae and Grasses

    (B) Mustard

    (C) Citrus and Mango

    (D) None of these

  56. Which of the following is an insectivorous plant? [2015A]

    (A) Drosera

    (B) Nepenthes

    (C) Both (A) and (B)

    (D) Hydrilla

  57. Which of the following plants is bisexual? [2026A]

    (A) Papaya

    (B) Date palm

    (C) Coconut

    (D) Any two

Topic 3: Human Reproduction

    1. What is the number of chromosomes in human gametes? [2023A]

      (A) 21

      (B) 44

      (C) 23

      (D) 46

    2. Where does sperm production occur? [2022A]

      (A) Vas deferens

      (B) Seminiferous tubules

      (C) Prostate gland

      (D) Ovary

    3. Which cells are found in Seminiferous tubules? [2026A]

      (A) Sertoli cells

      (B) Interstitial cells

      (C) Spermatogonia

      (D) Both (A) and (C)

 
    1. Sertoli cells are found in— [2013A, 2021A]

      (A) Liver

      (B) Testis

      (C) Uterus

      (D) Ovary

    2. Who provides nutrition to Spermatozoa? [2016A]

      (A) Leydig cells

      (B) Sertoli cells

      (C) Spermatogonia

      (D) None of these

    3. Androgens stimulate— [2021A]

      (A) Body growth

      (B) Spermatogenesis

      (C) Tail formation

      (D) None of these

    4. Where is Testosterone secreted from? [2015A]

      (A) Sertoli cell

      (B) Leydig cell

      (C) Spermatogonia

      (D) None of these

    5. Which part of the sperm contains enzymes that help in fertilization? [2026A]

      (A) Middle piece

      (B) Neck

      (C) Nucleus

      (D) Acrosome

 
  1. What is the part found at the head of the sperm called? [2018A]

    (A) Middle piece

    (B) Tail

    (C) Acrosome

    (D) Centriole

  2. What is found in the middle piece of mammalian sperm? [2015A]

    (A) Nucleus

    (B) Vacuole

    (C) Mitochondria

    (D) Centriole

  3. Which of the following is a Male Accessory Gland? [2023A]

    (A) Seminal vesicle

    (B) Prostate gland

    (C) Bulbourethral gland

    (D) All of these

  4. In human males, the Urethra carries— [2021A]

    (A) Urine

    (B) Semen

    (C) Both (A) and (B)

    (D) None of these

  5. Where is Graafian Follicle found? [2017A]

    (A) Frog ovary

    (B) Human testis

    (C) Human ovary

    (D) Rabbit testis

  6. Which of the following cells is haploid? [2026A]

    (A) Oogonia

    (B) Primary oocyte

    (C) Secondary oocyte

    (D) All of these

  7. The process of formation of a mature female gamete is called— [2021A]

    (A) Spermatogenesis

    (B) Acrosome

    (C) Insemination

    (D) Oogenesis

  8. What are the layers surrounding the ovum called? [2021A]

    (A) Zona pellucida

    (B) Corona radiata

    (C) Both (A) and (B)

    (D) Chorion

  9. The small structure above the vaginal opening in human females is— [2021A]

    (A) Clitoris

    (B) Labia majora

    (C) Labia minora

    (D) Hymen

  10. Mammary gland is a modification of— [2022A]

    (A) Oil gland

    (B) Sweat gland

    (C) Lymph gland

    (D) None of these

  11. During Menstrual Cycle, when does Ovulation occur? [2021A]

    (A) Day 1

    (B) Day 5

    (C) Day 14

    (D) Day 28

  12. The first menstruation is called— [2022A]

    (A) Menopause

    (B) Menarche

    (C) Amenorrhea

    (D) Dysmenorrhea

  13. After ovulation, the remaining Graafian follicle turns into— [2015A]

    (A) Corpus albicans

    (B) Corpus luteum

    (C) Corpus callosum

    (D) None of these

  14. What is the main role of Progesterone secreted by Corpus luteum? [2026A]

    (A) Maintenance of endometrium

    (B) Maintenance of perimetrium

    (C) Maintenance of myometrium

    (D) None of these

  15. The innermost layer of the Uterus is called— [2018A]

    (A) Myometrium

    (B) Perimetrium

    (C) Endometrium

    (D) Mesometrium

  16. Where does fertilization typically take place? [2012A]

    (A) Ampulla

    (B) Vagina

    (C) Uterus

    (D) Ovary

  17. In mammals, where does fertilization occur? [2016A]

    (A) Uterus

    (B) Fallopian tube

    (C) Vagina

    (D) Ovary

  18. Which placental hormone is produced during pregnancy? [2026A]

    (A) hCG

    (B) hPL

    (C) Relaxin

    (D) All of these

  19. After how many months do the limbs and digits of the foetus develop? [2026A]

    (A) One month

    (B) Two months

    (C) Three months

    (D) Six months

  20. What is the gestation period in human females? [2018A]

    (A) 300 days

    (B) 90 days

    (C) 270 days

    (D) 400 days

  21. The total number of eggs produced by a healthy woman in her lifetime is— [2019A]

    (A) 4000

    (B) 400

    (C) 40

    (D) 365

  22. Transfer of an embryo with more than 8 blastomeres into the uterus is— [2026A]

    (A) IVF

    (B) Intra-uterine Transfer (IUT)

    (C) ZIFT

    (D) ICSI

  23. Which technique is used under the Test Tube Baby program? [2021A]

    (A) GIFT

    (B) ZIFT

    (C) AI

    (D) IUI

Topic 4: Other Important Mixed Syllabus Questions

  1. How many codons are there in the genetic code? [2016A, 2020A]

    (A) 4

    (B) 16

    (C) 32

    (D) 64

  2. Who discovered Linkage? [2019A]

    (A) Mendel

    (B) Morgan

    (C) Punnett

    (D) Watson

  3. Maize has 10 pairs of chromosomes. How many linkage groups will it have? [2026A]

    (A) 20

    (B) 40

    (C) 10

    (D) 5

  4. What is the chromosome number in the Meiocyte of Drosophila? [2026A]

    (A) 2

    (B) 4

    (C) 6

    (D) 8

  5. What is the function of Copper-T (Cu-T)? [2014A]

    (A) Prevent pregnancy

    (B) Prevent mutation

    (C) Prevent fertilization

    (D) None of these

  6. What is the oldest and simplest method of birth control? [2026A]

    (A) Condoms

    (B) IUDs

    (C) Natural methods

    (D) Sterilization

  7. What is the Intine of a pollen grain made of? [2021A]

    (A) Sporopollenin

    (B) Cellulose and Pectin

    (C) Lignin

    (D) Cutin

  8. Which of the following is a male gamete? [2022A]

    (A) Ovum

    (B) Sperm

    (C) Embryo

    (D) None of these

  9. Vegetative propagation in Chrysanthemum occurs by— [2023A]

    (A) Tuber

    (B) Sucker

    (C) Bulb

    (D) Rhizome

  10. How does reproduction occur in Amoeba? [2019A]

    (A) Fragmentation

    (B) Budding

    (C) Binary fission

    (D) None of these

  11. What are the internal buds of Sponges called? [2021A]

    (A) Gemmules

    (B) Conidia

    (C) Zoospore

    (D) All of these

  12. Vegetative reproduction occurs in— [2017A]

    (A) Potato

    (B) Sugarcane

    (C) Ginger

    (D) All of these

  13. The study of pollen grains is— [2023A]

    (A) Cytology

    (B) Palynology

    (C) Myology

    (D) Ethology

  14. Where is the Ovule located in the Pistil? [2023A]

    (A) Style

    (B) Stigma

    (C) Ovary

    (D) None of these

Bihar Board Class 12th के (Biology/जीवविज्ञान ) = जीवविज्ञान ‘भाग-1 (Englsih Medium) Book Chapter-1 Reproduction in Organisms के Exam 2027 MCQs Questions Answer Key

Q. NoAnsQ. NoAnsQ. NoAnsQ. NoAns
1(D)40(C)79(D)118(D)
2(D)41(B)80(B)119(C)
3(A)42(B)81(C)120(C)
4(A)43(A)82(D)121(D)
5(B)44(B)83(C)122(C)
6(D)45(D)84(C)123(C)
7(A)46(D)85(B)124(C)
8(A)47(B)86(A)125(D)
9(B)48(C)87(A)126(C)
10(C)49(D)88(C)127(A)
11(C)50(C)89(A)128(B)
12(B)51(A)90(C)129(C)
13(A)52(C)91(C)130(B)
14(C)53(A)92(D)131(B)
15(C)54(B)93(D)132(A)
16(A)55(D)94(B)133(C)
17(A)56(D)95(B)134(A)
18(D)57(B)96(D)135(B)
19(A)58(D)97(A)136(D)
20(B)59(D)98(C)137(B)
21(D)60(A)99(D)138(C)
22(B)61(D)100(A)139(B)
23(C)62(B)101(B)140(B)
24(A)63(C)102(C)141(B)
25(B)64(C)103(C)142(D)
26(A)65(B)104(D)143(B)
27(A)66(B)105(B)144(C)
28(B)67(B)106(D)145(D)
29(D)68(A)107(C)146(C)
30(D)69(A)108(A)147(C)
31(A)70(C)109(C)148(B)
32(A)71(B)110(C)149(B)
33(D)72(B)111(C)150(B)
34(B)73(A)112(B)151(C)
35(B)74(B)113(D)152(A)
36(A)75(B)114(B)153(D)
37(B)76(B)115(B)154(B)
38(D)77(D)116(B)155(C)
39(A)78(D)117(B)

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