Master NEET Zoology with topic-wise questions. Tailored for NEET students, these questions strengthen your Biology preparation.
Metagenesis refers to:
Alternation of generations between sexual and asexual phases
Development of gametes
Fusion of gametes
Reproduction by budding
Which of the following describes metagenesis?
Transformation of a larva into an adult form.
Alternation of generations between a sexual and an asexual phase.
Reproduction solely through asexual means.
Reproduction solely through sexual means.
In the life cycle of Obelia, which phenomenon is observed?
Binary fission
Budding
Metagenesis
Fragmentation
Which generation in the metagenic life cycle produces gametes?
Sporophyte
Gametophyte
Both sporophyte and gametophyte
Neither sporophyte nor gametophyte
If an organism reproduces only by spores, can it be considered to undergo metagenesis?
Yes
No
Maybe, depending on the type of spores
Insufficient information
Cross fertilisation is favoured by
Dichogamy
Self-incompatibility
Unisexuality
Heterostyly
Select the correct option w.r.t. animals and their characteristics.
Mammals: Lay eggs
Birds: Give birth to live young
Reptiles: Mostly lay eggs
Amphibians: Have scales
Read the following statements a) Metagenesis is observed in Helminths.
b) Echinoderms are triploblastic and coelomate animals.
c) Round worms have organ-system level of body organization.
d) Comb plates present in ctenophores help in digestion.
e) Water vascular system is characteristic of Echinoderms.
Choose the correct answer from the options given below.
(a), (d) and (e) are correct
(b), (c) and (e) are correct
(c), (d) and (e) are correct
(a), (b) and (c) are correct
