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Free download in PDF Reproduction in Organisms Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.
i. Lower groups of organisms have simpler body design
ii. Asexual reproduction is common in lower groups
iii. Asexual reproduction is common in higher groups of organisms
iv. The high incidence of sexual reproduction in angiosperms and vertebrates
[A]
iii and iv
[B]
iv only
[C]
ii and iv
[D]
i and iv
(2)
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because:
[A]
Sexual reproduction is a lengthy process
[B]
Gametes of parents have qualitatively different genetic composition
[C]
Genetic material comes from parents of two different species
[D]
Greater amount of DNA is involved in sexual reproduction
Answer: Gametes of parents have qualitatively different genetic composition
(3)
Planaria’s most remarkable characteristics are its ability to
[A]
Hibernation
[B]
Survive without air
[C]
Generate bioluminescence
[D]
Regenerate
(4)
Fusion of unrelated gametes is called ________
[A]
Dichogamy
[B]
Fertilization
[C]
Autogamy
[D]
Allogamy
(5)
Bryophyllum daigremontianum reproduces by
[A]
Vegetative propagation
[B]
Budding
[C]
Fission
[D]
Fragmentation
Answer: Vegetative propagation
(6)
When living tissue from a plant is extracted and placed in a medium, it is called ______
[A]
Horticulture
[B]
Transplantation
[C]
Explant
[D]
None of the above
(7)
Budding, in hydra, is a form ________
[A]
Apoptosis
[B]
Sexual reproduction
[C]
Asexual reproduction
[D]
None of the above
Answer: Asexual reproduction
(8)
____________is not a method of vegetative propagation
[A]
Grafting
[B]
Cutting
[C]
Lytic cycle
[D]
Layering
(9)
___________ refers to an asexual reproduction process wherein genetically identical copies of individual plants are produced
[A]
Layering
[B]
Binary fission
[C]
Clonal Propagation
[D]
None of the above
Answer: Clonal Propagation
(10)
__________ shows totipotency
[A]
Xylem
[B]
Meristem
[C]
Cork
[D]
All of the above
(11)
The property of an undifferentiated cell that has the potential to develop into an entire plant is called
[A]
Budding
[B]
Cloning
[C]
Subpotency
[D]
Totipotency
(12)
The development of root and shoot in tissue culture is determined by ______
[A]
Temperature
[B]
Nutrients
[C]
Auxin and cytokinin ratio
[D]
None of the above
Answer: Auxin and cytokinin ratio
(13)
Which among the following is a unicellular organism that reproduces by budding:
[A]
Hydra
[B]
Planaria
[C]
Yeast
[D]
Spirogyra
(14)
Which among the following does not reproduce by spore formation:
[A]
Penicillium fungus
[B]
Yeast fungus
[C]
Mucor fungus
[D]
Rhizopus fungus
(15)
The rapid spreading of bread mould on slices of bread are due to:
(i) Presence of large number of spores in air
(ii) Presence of large number of thread-like branched hyphae
(iii) Presence of moisture and nutrients
(iv) Formation of round shaped sporangia
[A]
(i) and (iii)
[B]
(ii) and (iv)
[C]
(i) and (ii)
[D]
(iii) and (iv)
(16)
The asexual reproduction in the Spirogyra involves:
[A]
Breaking up of filaments into smaller bits
[B]
Division of a cell into many cells
[C]
Division of a cell into two cells
[D]
Formation of a large number of buds
Answer: Division of a cell into many cells
(17)
Reason for the greater similarities among the offsprings produced by asexual reproduction, is:
(i) Asexual reproduction involves only one parent
(ii) Asexual reproduction involves two parents
(iii) Asexual reproduction involves gametes
(iv) Asexual reproduction does not involve gametes
[A]
(i) and (ii)
[B]
(i) and (iii)
[C]
(ii) and (iv)
[D]
(i) and (iv)
(18)
The process of the division of cell into several cells during reproduction in Plasmodium is termed as:
[A]
Fragmentation
[B]
Budding
[C]
Multiple fission
[D]
Binary fission
(19)
The number of chromosomes in parents and offsprings of a particular species remains constant due to:
[A]
Doubling of chromosomes after zygote formation
[B]
Halving of chromosomes during gamete formation
[C]
Doubling of chromosomes after gamete formation
[D]
Halving of chromosomes after gamete formation
Answer: Halving of chromosomes during gamete formation
(20)
A Planaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and S in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the two Planaria worms could regenerate to form the complete respective worms?
[A]
Only P
[B]
Only R and S
[C]
P, Rand S
[D]
P, Q, R and S
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