quiz

Reproduction in Organisms (12th Board-Level)

Quiz

  

Some Rules of this Quiz
1. You will have only 15 seconds per each question.
2. Once you select your answer, it can't be undone.
3. You can't select any option once time goes off.
4. You can't exit from the Quiz while you're playing.
5. You'll get points on the basis of your correct answers.

 

1. Select the odd one out w.r.t life-span
   1.   Life span of organisms are not correlated with their size
   2.   Crows and parrots show wide difference in their life-spans
   3.   Life span of rice is 3-4 weeks
   4.   It is the period between birth and natural death of an organism
2. Select the plants having the shortest life span
   1.   Banyan
   2.   Peepal
   3.   Banana
   4.   Rose
3. Select the incorrect match
   1.   Asexual reproduction : somatogenic reproduction
   2.   Sexual reproduction : Fusion of gamates
   3.   Vegetative propagation : Rhizomes
   4.   Clones : Morphologically similar genetically dissimilar
4. Cell division is itself a mode of reproduction in
   1.   Protista and all fungi
   2.   Conodia
   3.   Sporangiopore
   4.   Gemmules
5. Most common special asexual reproductive structure sen in members of algae is
   1.   Zoospores
   2.   Conodia
   3.   Sporangiopore
   4.   Gemmules
6. Select the correct match w.r.t vegetative propagules in angiosperms.
   1.   Rhizome : Water hyacinth
   2.   Offset : Brophyllum
   3.   Bulbil : Oxalis
   4.   Leaf buds : Ginger
7. The site of origin of the new plantlets in potato, sugarcane and banana are
   1.   Nodes
   2.   Internodes
   3.   Both nodes and internodes
   4.   Leaf margins
8. Match the column 1st with coloum 2nd.
   
   Column 1st (Plants) Column 2nd (Vegetative reproduction by)
   
   a) Turmeric 1) Stolen
   b) Crocus 2) Rhizome
   c) Vallisneria 3) Aerial shoot
   d) Opuntia 4) Corm
   1.   a(1), b(4), c(3), d(2)
   2.   a(2), b(4), c(1), d(4)
   3.   a(4), b(2), c(3), d(1)
   4.   a(2), b(1), c(4), d(3)
9. The vegetative propagules in aquatic plants like Valisneria and Eichhornia are
   1.   Stolen in both
   2.   Sucker and offset respectively
   3.   Stolen and offset respectively
   4.   Offset in both
10. Select correct statement w.r.t. vegetative reproduction in Dahlia.
    1.   Adventitious buds present on root sprout to form new plants
    2.   Nodal buds of aerial stem form new plants
    3.   Underground stem buds grow into new plants
    4.   Bulbil present on floral axis grows into daughter plants
11. Select the odd one out w.r.t sexual reproduction
    1.   Diverse organisms show great diversity in sexual mode of reproduction
    2.   Juvenile phase is called vegetative phase in plants
    3.   Offsprings are not identical to the parents
    4.   Fusion of gametes results in formation of zygote
12. Select the plants species which flower only once in their life time, generally after 50-100 years, produce large number of fruits and die.
    1.   Strobilanthus
    2.   Bamboo
    3.   Rice
    4.   Teak
13. In diploid organisms, specialised gametes mother cells produce gametes. They are called
    1.   Meiocytes
    2.   Mitocytes
    3.   Eggs
    4.   Pollen
14. Find the correct match
    1.   Monoecious plants : Bisexual flower
    2.   Dioecious plants : Polygamous
    3.   Haploid parent : Mitogametes
    4.   Dissimilar gametes : Isogametes
15. In chara, male sex organ is called
    1.   Globule
    2.   Nucule
    3.   Oogonium
    4.   Male cone
16. In majority of plants, fertilization is
    1.   External
    2.   Internal and oogamous
    3.   Isogamous
    4.   External and oogamous
17. The vital link that ensures continuity of species between organisms of one generation and the next is
    1.   Zygote
    2.   Sperm
    3.   Pollen grain
    4.   Egg
18. Few algae show
    1.   External fertilisation
    2.   Heterogametes
    3.   Internal fertilisation
    4.   Zygotic mitosis to develop embryo
19. Choose the incorrect statement.
    1.   Crow and parrot has different life spans
    2.   Mango has shorter life spans as compared to peepal
    3.   Life span is necessarily correlated with size of organisms
    4.   No individual is immortal except unicelled organisms
20. Both Chara and Marchantia
    1.   Have motile male and female gametes
    2.   Are monoecious
    3.   Have multicellular sex organs
    4.   Are amphibians of the plants kingdom
21. If the chromosomes number in meiocyte of apple is 34, what will be the chromosomes no. in its gamete?
    1.   51
    2.   34
    3.   17
    4.   12
22. Zygote is always _____and ______.
    1.   Single celled, haploid
    2.   Single celled, diploid
    3.   Multicelled, haploid
    4.   Multicelled, diploid
23. Mark odd one w.r.t monocarpic plants.
    1.   Wheat
    2.   Bamboo
    3.   Henbane
    4.   Jackfruit
24. Asexual reproduction
    1.   Is uniparental
    2.   Can involve gametes formation
    3.   Involves syngamy
    4.   Both (1) and (2)
25. Find the incorrect match.
    1.   Fertilisation : Syngamy
    2.   Zygote : Most vital link
    3.   Isogamete : Cladophora
    4.   Pollen sac : Megasporangium