Home
Class 12
BIOLOGY
In metagenesis of cnidarian like Obelia,...

In metagenesis of cnidarian like Obelia, the polyps and medusa are respectively

A

N and 2N

B

2N and N

C

2N and 2N

D

N and N.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Polyps of Obelia are

Medusa of Obelia is

Which of the statements regarding coelenterates is/are wrong I. Cnidocytes are present on the tentacles and on the body II. Diploblastic with cellular level of organisation III. Polyp forms are free living IV. Exhibit metagenesis V. Polyps produce medusae sexually and medusae form polyps asexually.

Read the following statements and choose the correct options I. Pelvic fins of female sharks bear claspers. II . In Obelia polyps produce medusae sexually and medusae form the polyps produce medusae sexually and medusae form the polyps a sexually . III . Flame cells in platyheliminthes help in osmoregulation and excretion . IV. In nonchordates , central nervous system is ventral , solid and double . V . Pinnae are present in mammals .

Which is not a cnidarian (a) Obelia (b) Jelly Fish (c) Sea Anemone (d) Beroe

Consider the following statement with respect to reproduction in the lower living organisms A. Organismis like yeast and Planaria reproduce asexually by means of budding B. True regeneration is observed in Hydra C. The protonema of mosses multiply by fragmentation D. In the unicellular organisms like bacteria algae and Amoeba, reproduction is synonymous with growth i.e increase in number of cells

For the MN-blood group system, the frequencies of M and N alleles are 0.7 m and 0.3, respectively . The expected frequency of MN-blood group bearing organisms in likely to be

X-X bond length is 1.00oversetoA and C-C bond length is 1.54oversetoA . If electronegativities of X and C are 3 and 2 respectively then C-X bond length is likely to be ?(using stevenson and schomaker formula)

Number of tentacles in a polyp of Obelia is

The nomral boiling points of two gases A and B are -150^(@)C and -18^(@)C , respectively. Which one of the two gases will behave more like an ideal gas at STP?