CBSE Questions for Class 10 Biology How Do Organisms Reproduce Quiz 2 - MCQExams.com

The contraceptive/s among the following is/are:
  • Condom
  • Intrauterine device
  • Pill
  • All of the above
Colonies of yeast fail to multiply in water, but multiply in sugar solution. Choose one reason for this.
  • Sugar provides energy for sustaining all life activities in yeasts.
  • Water provides energy for sustaining all life activities in yeasts.
  • Sugar provides surface for sustaining all life activities in yeasts.
  • All of the above.
Which of the following statements about reproduction in human beings is correct?
  • Fertilization takes place in ovary.
  • Fertilization takes place in the testes.
  • During fertilization egg moves towards the sperm.
  • Fertilization takes place in the fallopian tube.
Which of the following statements is true about fertilization?
  • Egg released from the ovary reaches the fallopian tube.
  • Sperm encounters egg in the fallopian tube and fertilization takes place.
  • Sperm enters through the vaginal passage.
  • All the above
During adolescence, several changes occur in the human body. Find out the change which is associated with sexual maturation in boys.
  • Loss of milk teeth
  • Increase in height
  • Cracking of voice
  • Weight gain
Offspring formed as a result of sexual reproduction exhibits more variations because
  • Sexual reproduction is a lengthy process.
  • Genetic material comes from two parents of the same species.
  • Genetic material comes from two parents of different species.
  • Genetic material comes from many parents.
In human females, an event that reflects the onset of reproductive phase is:
  • Growth of body
  • Changes in hair pattern
  • Change in voice
  • Menstruation
What changes are observed in the uterus, if fertilisation does not occur?
  • The lining of the uterus becomes more thick.
  • The lining of the uterus becomes more spongy.
  • The lining of the uterus slowly breaks and comes out through the vagina as blood and mucus.
  • The lining of the uterus becomes more vascular.
Which among the following is a correct statement with respect to reproduction and population?
  • Reproduction is linked to instability of a species.
  • Reproduction is linked to instability of a population.
  • Reproduction is linked to stability of the population of a species.
  • Reproduction is linked to instability of a community.
Which of the following changes is not observed in girls at the time of puberty?
  • Increase in height
  • Enlargement of larynx
  • Development of ovaries
  • Change in the shape of body
Which of the following organisms reproduce by budding?
  • Plasmodium
  • Planaria
  • Paramecium
  • Hydra
What is the importance of reproduction?
  • Regeneration
  • Replication
  • Both A and B
  • Regeneration and passing on of genes
Age at which puberty begins in individuals generally is:
  • 10 to 13
  • 15 to 25
  • 2 to 4
  • 50 to 70
Zygote is formed by:
  • Fusion of two cells
  • Fusion of gametes
  • Fusion of some portion of gametes
  • Fusion of polar cells
Which of the following is the correct sequence?
  • $$Gametogenesis \rightarrow Syngamy \rightarrow Embryogenesis\rightarrow Zygote$$
  • $$Gametogenesis \rightarrow Syngamy \rightarrow Zygote \rightarrow Embryogenesis$$
  • $$Syngamy \rightarrow Gametogenesis \rightarrow Embryogenesis \rightarrow Zygote$$
  • $$Zygote \rightarrow Embryogenesis \rightarrow Syngamy \rightarrow Gametogenesis$$
Puberty starts in boys 
  • Later than girls
  • Previous than girls
  • At the same age with girls
  • None of the above
Fill up the blanks with the terms given below.

Cytoplasm, asexual, binary, single, nucleus

Amoeba is a ___________ celled organism. It reproduces by ___________ reproduction. The process of reproduction begins by the division of its ___________ into two. This is followed by the division of its___________ into two. This type of reproduction is called ___________ fission.
  • Cytoplasm, asexual, binary, single, nucleus
  • Single, asexual, nucleus, cytoplasm, binary
  • Binary, Single, asexual, nucleus, cytoplasm
  • Binary, Single, asexual, cytoplasm, nucleus.
.......... marks the beginning of the reproductive period.
  • Puberty
  • Menopause
  • Adolescence
  • All of the above
In human females, each time during maturation and release of an egg, the inner wall of the uterus thickens. Is this thickening permanent?
  • Yes
  • No
  • It becomes permanent in few females.
  • Cannot be decided
Identify the process in the figure.
85697_80481a8bd0ad4d2897260d1053c189a1.png
  • Budding
  • Binary fission
  • Regeneration
  • Spore formation
Which of the following organisms reproduce by the fragmentation method?
  • Rhizopus and Penicillium
  • Hydra and Amoeba
  • Paramecium and Plasmodium
  • Spirogyra 
Binary fission is observed in which of the following figures?

86566.jpg
  • A
  • B
  • C
  • D
The event that first occurs during binary fission of amoeba is:
  • Division of cytoplasm
  • Formation of two daughter cells
  • Division of nucleus
  • None of the above
Which of the following parts of the flower develops to become a fruit?
  • Stigma
  • Style
  • Ovary
  • Ovule
Which of the following are the characteristics of vegetative reproduction?

   X - Involves two individuals. 

   Y - Daughter cells are genetically identical to the parent.

   Z - The cell divisions are only mitotic.


  • X and Y only
  • X and Z only
  • Y and Z only
  • X, Y and Z
What is the basic difference between binary fission and budding?
  • In budding, the parent's identity is lost, while in binary fission, it is maintained.
  • In binary fission, the parent's identity is lost, while it is maintained in budding.
  • There is a fusion of daughter cells in binary fission while in budding, genetically non-identical daughter cells are produced.
  • In binary fission, two dissimilar individuals (daughter cells) are formed while in budding, daughter and parent cells are similar.
To prepare a temporary slide of yeast culture, yeast granules are added in:
(a) distilled water
(b) 10% sugar solution
(c) 90% sugar solution
(d) dilute hydrochloric acid
  • a
  • b
  • c
  • d
In binary fission:
  • The parent organism divides into two daughter cells and each one of them grows into an adult
  • The parent organism divides into many daughter cells and each one of them grows into an adult.
  • Both (a) and (b)
  • None of the above
Regeneration is same as fragmentation. 
  • True
  • False
Which of these break up into smaller pieces upon maturation?
  • Rhodella
  • Spirogyra
  • Caulerpa
  • All of the above
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