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Parts of a Flower

Number of coh...

Question

Number of cohorts in A)Thalamiflorae. B)Disciflorae. C)calciflorae

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Solution

Thalamiflorae: petals and stamens hypogynous. It includes the following 6 cohorts (orders): Ranales, Parietales, Polygalineae, Caryophyllineae, Guttiferales, Malvales

Disciflorae: petals and stamens hypogynous and a nectariferous disc. Surrounds the base of the ovary. It contains the following cohorts: Geraniales, Olacales, Celastrales, Sapindales

Calyciflorae: petals and stamens perigynous or sometimes epigynous. It includes 5 cohorts: Rosales, Myrtales , Passiflorales, Ficoidales, Umbellales

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Q. Arrange the following in descending order basing on their numbers.
(A) Number of central microtubules in a cilium
(B) Number of radial spokes in a flagellum
(C) Number of nuclei found in a mature sieve tube cell
(D) Number of peripherals microtubules in a flagellum

(A B)^{'} = B^{^{'}} A^{^{'}}

A

B

are not square matrices, then number of rows in

A

is equal to number of column in

B

and number of columns in

A

is equal to number of rows in

B

.

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