Consider the following statements with respect to reproduction in the lower living organisms
(a) Organisms like yeast and Planaria reproduce asexually by means of budding
(b) True regeneration is observed in Hydra
(c) Protonema of mosses multiply by fragmentation
(d) In unicellular organisms like bacteria, algae, and Amoeba, reproduction is synonymous with growth, i.e., an increase in the number of cells.

a and b correct

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b and c correct

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a and d correct

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b and d correct

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c and d correct

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Solution

The correct option is E c and d correct
Fragmentation is a sexual mode of reproduction in which an organism is split into fragments. Each of these fragments develops into mature, fully grown individuals that are clones of the original organism. The fungi, the filamentous algae and the protonema of mosses all easily multiply by fragmentation.
When it comes to unicellular organisms reproduction is synonymous with the increase in the number of cells.
So the correct option is 'c and d are correct'.

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Similar questions

Choose the correct statements about reproduction.

a) Reproduction produces progeny with more or less similar features to the parents.

b) Reproduction occurs by involving one parent (asexual) or two parents (sexual).

c) Budding and fragmentation are the types of asexual reproduction.

d) Reproduction is not observed in non-living organisms.

Q. An organism which can reproduce by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is :
(a) Spirogyra
(b) Bryophyllum
(c) Hydra
(d) Sea anemone

Q. Study the four statements, a-d, given below and select the two correct ones out of them.
(a) Definition of biological species was given by Ernst Mayr.
(b) Photoperiod does not affect reproduction in plants.
(c) Binomial nomenclature system was given by R.H. Whittaker.
(d) In unicellular organisms reproduction is synonymous with growth.

(a) What is the basic difference between asexual reproduction and sexual reproduction ?
(b) Which of the following organisms reproduce by sexual method and which by asexual method ? Amoeba, Cats, Humans, Hydra, Birds

Q. Question 1
Choose the correct statement with respect to unicellular organisms:

(a) in unicellular organisms, tissues work in co-ordination to perform different functions.
(b) unicellular organisms do not require food.
(c) unicellular organisms respire and reproduce.
(d) all unicellular organisms move by cilia.

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