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Species

Study the fou...

Question

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

A and B

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B

B and C

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C

C and D

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D

A and D

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Solution

The correct option is D A and D
Statements A and D are correct, The correct form of B and C are as follows:

(B) Photoperiod does affect the reproduction in plants.
(C) Binomial nomenclature was given by Carolus Linnaeus.

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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.

Q. Binomial nomenclature of plants was given by

Q. Read the given statements.

(a) .............. are collectively called .............. as all of these are seedless plants and have inconspicuous reproductive organs.
(b) .............. are collectively called ................... as they are seeded plants and possess conspicuous reproductive organs.
(c) The scientific nomenclature of organisms used today was developed by ............ and consists of ................ and species name.
(d) Class Aves consists of ................. animals while class Reptilia consists of ................ animals.

Select the option which correctly fills the blanks in any two of the above statements.

Q. Binomial system of nomenclature was given by

Q. 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.

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