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Reproduction in Organisms MCQs | Reproduction in Organisms Multiple Choice Questions with Answers

Questions
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

Answer:ii 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

Answer: Regenerate
4 Fusion of unrelated gametes is called ________
A Dichogamy
B Fertilization
C Autogamy
D Allogamy

Answer: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

Answer:Explant
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

Answer:Lytic cycle
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

Answer: Meristem
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

Answer: Budding
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

Answer: Yeast
14 Which among the following does not reproduce by spore formation:
A Penicillium fungus
B Yeast fungus
C Mucor fungus
D Rhizopus fungus

Answer:Yeast 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)

Answer: (i) and (iii)
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)

Answer:(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

Answer:Multiple 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

Answer:P, Q, R and S

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