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

46 A simple multicellular animal having tantacles and lives in fresh water reproduces by asexual method of...

[1] binary fission

[2] spore formation

[3] budding

[4] fragmentation

Answer: budding

47 An alga which reproduces by asexual method called fragmentation is...

[1] rhizopus

[2] salmonella

[3] plasmodium

[4] spirogyra

Answer: spirogyra

48 Cutting is used to grow a new plant of...

[1] lemon

[2] mango

[3] rose

[4] potato

Answer: rose

49 In humans, the embryo gets nutrition from mother's blood through...

[1] ovary

[2] oviduct

[3] amnion

[4] placenta

Answer: placenta

50 Which of the following reproduces by multiple fission?

[1] Hydra

[2] Yeast

[3] Plasmodium

[4] Spirogyra

Answer: Plasmodium

51 The process of release of an egg from the ovary is called.

[1] reproduction

[2] menstruation

[3] fertilization

[4] ovulation

Answer: ovulation

52 The sexual cycle in human female remains active (functional), generally up to the age of...

[1] 30 years

[2] 40 years

[3] 50 years

[4] 60 years

Answer: 50 years

53 By which process is the continuity of life of various species maintained?

[1] Digestion

[2] Respiration

[3] Contraception

[4] Reproduction

Answer: Reproduction

54 In which organisms does reproduction take place through binary fission?

[1] Hydra, Planaria

[2] Hydra, Amoeba

[3] Amoeba, Paramoecium

[4] Mucor, Yeast

Answer: Amoeba, Paramoecium

55 Which of the following are asexual modes of reproduction in multicellular organisms?

[1] Regeneration, Budding

[2] Binary fission, Regeneration

[3] Regeneration, Fission

[4] Multiple fission, Budding

Answer: Regeneration, Budding

56 The growing embryo (foetus) obtains nutrition from mother's body from...

[1] amnion

[2] amniotic fluid

[3] heart

[4] Placenta

Answer: Placenta

57 Sexual Reproduction can be grouped into -----distinct stages.

[1] two

[2] five

[3] three

[4] four

Answer: three

58 Eithr male or female reproductive organs are found in the body

[1] Monoecious

[2] Dioecious

[3] Meiocyte

[4] Syngamy

Answer: Dioecious

59 Hydra reproduces asexually by

[1] binary fission

[2] budding

[3] Vegetative propagation

[4] Multiple fssion

Answer: budding

60 Gametes are usually

[1] Haploid

[2] Diploid

[3] Both a and b

[4] None of the above.

Answer: Haploid

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