CBSE Class 10 Biology How do Organisms Reproduce MCQs Set G

Question: A common feature of reproduction in Amoeba, Spirogyra and yeast is that –
a) Asexual reproduction occurs after sexual reproduction
b) Asexual reproduction occurs before sexual reproduction
c) Asexual reproduction does not involve gametes
d) Asexual reproduction involves only one parent
Answer: d

Question: Hydra usually reproduces by:
a) Fragmentation and budding
b) Regeneration and budding
c) Multiple fission and fragmentation
d) Regeneration
Answer: b

Question: Offsprings formed by asexual method of reproduction have greater similarity among themselves because_______
a) Asexual reproduction involves two parents
b) Asexual reproduction does not involve gametes
c) Asexual reproduction occurs before sexual reproduction
d) Asexual reproduction occurs before sexual reproduction
Answer: a

Question: Which of the following statements is not correct about reproduction?
a) Lot of energy is spent in reproduction
b) Reproduction creates more individuals
c) Animals reproduce only by sexual mode of reproduction
d) Reproduction is not necessary to maintain the life of an individual
Answer: c

Question: Rose is propagated through ______.
a) Leaf
b) Stem
c) Root
d) None
Answer: b

Question: Consider the following statements and choose the incorrect one:
a) Grafting is a method in which the cut stems of two different plants are joined together in such a way that the two stems join and grow as a single plant.
b) Grafting enables us to combine the most desirable characteristics of the two plants in its flower and fruits.
c) The new plants produced by artificial vegetative propagation will not be exactly like the parent plants.
d) None of the above
Answer: c

Question: The process where the unfertilised egg is released out of the body with the blood used to nourish the embryo is known as
a) Menstruation
b) Fertilisation
c) Germination
d) Pollination
Answer: a

Question: AIDS is a sexually transmitted disease caused due to an infection by a
a) Bacteria
b) Protozoa
c) Virus
d) Plasmodium
Answer: c

Question: The process of fertilization takes ____ days.
a) 12
b) 10
c) 14
d) 5
Answer: c

Question: The number of chromosomes in parents and offspring of a particular species remains constant due to
a) Halving of chromosomes during gamete formation
b) Halving of chromosomes after gamete formation
c) Doubling of chromosomes after zygote formation
d) Doubling of chromosomes after gamete formation
Answer: a

Question: Where does fertilisation occur in human females?
a) Uterus
b) Cervix
c) Oviduct
d) None of these
Answer: d

Question: Evolutionary change is not possible in:
a) Cross pollination
b) Sexual reproduction
c) Asexual reproduction
d) Fertilization
Answer: c

Question: The two oviducts in a human female unite into an elastic bag-like structure known as
a) Vagina
b) Uterus
c) Fallopian tube
d) Cervix
Answer: b

Question: Which of the following is contraceptive?
a) Condom
b) Copper T
c) Diaphragm
d) All
Answer: d

Question: In which of the following plant buds in notches of leaves help in its propagation?
a) Bougainvillea
b) Bryophyllum
c) Radish
d) Jasmine
Answer: b

Question: A multicellular organism which reproduces by budding is:
a) Hydra
b) Amoeba
c) Yeast
d) Leishmania
Answer: a

Question: Asexual reproduction is
a) A method in which more than one parent are involved
b) A method by which all types of organisms reproduce
c) A method producing genetically identical offspring
d) A fusion of specialized cells
Answer: c

Question: Growing foetus derives nutrition from mother through _______.
a) Endosperm
b) Placenta
c) Fallopian tube
d) Cervix
Answer: b

Question: Consider the following statements and choose the correct one:
a) The exchange of nutrients, oxygen and waste products between the embryo and the mother takes place through the placenta.
b) The time period from fertilization up to the birth of the baby is called gestation.
c) In human females or girls, the ovaries start releasing ovum or egg once every 28 days from the age of puberty.
d) All the above
Answer: d

Question: What is the importance of reproduction?
a) It is essential for continuity of life of living organisms.
b) The variation can be produced from reproduction; it leads to generation of new characteristics.
c) It is the fundamental power for heredity.
d) All of the above
Answer: d

Question: Planaria divides by
a) Multiple Fission
b) Fragmentation
c) Regeneration
d) Vegetative propagation
Answer: c

Question: Fertilization in plants occurs in the –
a) Embryo sac
b) Style
c) Pollen tube
d) Stigma
Answer: a

Question: The process in which the nucleus first divides amitotically into two followed by the division of the cytoplasm is called
a) Spore formation
b) Multiple fission
c) Budding
d) Binary fission
Answer: d

Question: The process of vegetative propagation is used for
a) Roses
b) Grapes
c) Sugarcane
d) All of the above
Answer: d

Question: One of the following organisms does not reproduce by budding:
a) Hydra
b) Planaria
c) Yeast
d) Sponge
Answer: b

Question: ___ is thus useful for the survival of species over time.
a) Variation
b) Reproduction
c) Stability
d) None of the above
Answer: a

Question: In a flower, the parts that produce male and female gametes are
a) Anther and ovary
b) Stamen and anther
c) Stamen and style
d) Filament and stigma
Answer: a

Question: The cell formed after fertilization is called :
a) Foetus
b) Zygote
c) Embryo
d) None
Answer: b

Question: Characters that are transmitted from parents to offspring during reproduction show
a) Only similarities with parents
b) Only variations with parents
c) Both similarities and variations with parents
d) Neither similarities nor variations
Answer: c

Question: The number of chromosomes in human sex cell is :
a) 23
b) 23 pairs
c) 46
d) 46 pairs
Answer: a

Question: During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys:
a) Loss of milk teeth
b) Increase in height
c) Cracking of voice
d) Weight gain
Answer: c

Question: Transfer of pollen grains from pollen sac to stigma is called:
a) Pollination
b) Ovulation
c) Fertilization
d) None of these
Answer: a

Question: Spirogyra reproduces by
a) Fission
b) Regeneration
c) Fragmentation
d) Budding
Answer: c

Question: Megaspore Mother Cell releases number of megaspores by the process of ____
a) Mitosis
b) Sporogenesis
c) Fertilization
d) Meiosis
Answer: d

Question: The female reproductive part of the flower consists of
a) Stigma, Ovary, Style
b) Style, Ovary, Thalamus
c) Stigma, Anther, Filament
d) Anther, Corolla, Filament
Answer: a

Question: In Rhizopus, tubular structures bearing sporangia at their tips are called __.
a) Filaments
b) Rhizoids
c) Roots
d) Hyphae
Answer: d

Question: Foetus is a:
a) Well developed embryo
b) Developing embryo
c) A zygote
d) Male gamete
Answer: a

Question: The middle part of carpel of a flower is called:
a) Stigma
b) Style
c) Ovary
d) Ovule
Answer: b

Question: What is present in pollen sac?
a) Calyx
b) Ovary
c) Ovule
d) Pollen grains
Answer: d

Question: The flower is bisexual when it contains
a) Stamens
b) Pistil
c) Both (A) and (B)
d) None of the above
Answer: c