NCERT - Reproduction in Organisms Questions and Answers of Class 12 Biology | GkSeries

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Questions
16 In which of the following organisms does spore formation take place?
1 Mucor
2 Planaria
3 Spirogyra
4 Potato

Answer: Mucor
17 Hydra can reproduce by...
1 budding
2 both budding and regeneration
3 regeneration
4 multiple fission

Answer: both budding and regeneration
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18 Sexual reproduction involves---division
1 mitotic
2 meiotic
3 meiosis at some stages
4 None of the above.

Answer: meiosis at some stages
19 Find the propagules of ginger
1 Runner
2 Bulb
3 Bulbil
4 Rhizome

Answer: Rhizome
20 Find th monoecious plant
1 Cocunut
2 Both a and b
3 Cucurbits
4 Papaya

Answer: Both a and b
21 Method of Gamete transfer
1 Pollination
2 Pollen
3 Zygote
4 Tentacles

Answer: Pollination
22 The female organ in a flowering plant is...
1 Stamen
2 Pollen tube
3 Carpel
4 Seed

Answer: Carpel
23 What does 'S' stand for in AIDS?
1 System
2 Symptom
3 Synapse
4 Syndrome

Answer: Syndrome
24 Testes in human male are located in...
1 penis
2 scrotum
3 vas deferens
4 abdominal cavity

Answer: scrotum
25 Stoppage of sexual cycle permanently in a female is called...
1 menstruation
2 lactation
3 ovulation
4 menopause

Answer: menopause
26 The sexual cycle in human female starts at______.
1 birth
2 the age of 45
3 at the age of 28
4 puberty stage

Answer: puberty stage
27 Through what are the hereditary characters inherited?
1 Golgi complex
2 Chromosomes
3 Mitochondria
4 Ribosomes

Answer: Chromosomes
28 Boys generally attain puberty at the age of _____ years.
1 10
2 12
3 14
4 16

Answer: 14
29 Menstruation in human female lasts for ______ days.
1 2-3
2 3-5
3 14
4 28-30

Answer: 3-5
30 Which of the following methods is used for vegetative propagation of plants having seeds with long dormancy or poor germination capacity?
1 Cutting
2 Budding
3 Grafting
4 Layering

Answer: Grafting

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