Download PDF
Free Download as PDF of the detailed solutions for class 12 Biology from NCERT or CBSE text book as per exam pattern, to help you in day to day learning. We provide all important questions and answers from chapter Reproduction in Organisms of Biology.
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
47
An alga which reproduces by asexual method called fragmentation is...
[1]
rhizopus
[2]
salmonella
[3]
plasmodium
[4]
spirogyra
48
Cutting is used to grow a new plant of...
[1]
lemon
[2]
mango
[3]
rose
[4]
potato
49
In humans, the embryo gets nutrition from mother's blood through...
[1]
ovary
[2]
oviduct
[3]
amnion
[4]
placenta
50
Which of the following reproduces by multiple fission?
[1]
Hydra
[2]
Yeast
[3]
Plasmodium
[4]
Spirogyra
51
The process of release of an egg from the ovary is called.
[1]
reproduction
[2]
menstruation
[3]
fertilization
[4]
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
53
By which process is the continuity of life of various species maintained?
[1]
Digestion
[2]
Respiration
[3]
Contraception
[4]
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
57
Sexual Reproduction can be grouped into -----distinct stages.
[1]
two
[2]
five
[3]
three
[4]
four
58
Eithr male or female reproductive organs are found in the body
[1]
Monoecious
[2]
Dioecious
[3]
Meiocyte
[4]
Syngamy
59
Hydra reproduces asexually by
[1]
binary fission
[2]
budding
[3]
Vegetative propagation
[4]
Multiple fssion
60
Gametes are usually
[1]
Haploid
[2]
Diploid
[3]
Both a and b
[4]
None of the above.
Take Mock Tests
Chapters