NCERT Solution of Class 12 Biology Reproduction in Organisms | NCERT Multiple Choice Questions and Answers of Biology from Chapter Reproduction in Organisms | Biology - Reproduction in Organisms MCQs

Questions

16 In which of the following organisms does spore formation take place?

1 Mucor

2 Planaria

3 Spirogyra

4 Potato

View Answer

Answer: Mucor

17 Hydra can reproduce by...

1 budding

2 both budding and regeneration

3 regeneration

4 multiple fission

View Answer

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.

View Answer

Answer: meiosis at some stages

19 Find the propagules of ginger

1 Runner

2 Bulb

3 Bulbil

4 Rhizome

View Answer

Answer: Rhizome

20 Find th monoecious plant

1 Cocunut

2 Both a and b

3 Cucurbits

4 Papaya

View Answer

Answer: Both a and b

21 Method of Gamete transfer

1 Pollination

2 Pollen

3 Zygote

4 Tentacles

View Answer

Answer: Pollination

22 The female organ in a flowering plant is...

1 Stamen

2 Pollen tube

3 Carpel

4 Seed

View Answer

Answer: Carpel

23 What does 'S' stand for in AIDS?

1 System

2 Symptom

3 Synapse

4 Syndrome

View Answer

Answer: Syndrome

24 Testes in human male are located in...

1 penis

2 scrotum

3 vas deferens

4 abdominal cavity

View Answer

Answer: scrotum

25 Stoppage of sexual cycle permanently in a female is called...

1 menstruation

2 lactation

3 ovulation

4 menopause

View Answer

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

View Answer

Answer: puberty stage

27 Through what are the hereditary characters inherited?

1 Golgi complex

2 Chromosomes

3 Mitochondria

4 Ribosomes

View Answer

Answer: Chromosomes

28 Boys generally attain puberty at the age of _____ years.

1 10

2 12

3 14

4 16

View Answer

Answer: 14

29 Menstruation in human female lasts for ______ days.

1 2-3

2 3-5

3 14

4 28-30

View Answer

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

View Answer

Answer: Grafting

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