The endocrine gland of insects, which secretes the juvenile hormone is
Options
(a) corpora albicans (b) corpora allata (c) corpora myecaena (d) all of these
Correct Answer:
corpora allata
Explanation:
No explanation available. […]
Method of dispersal in Amoeba is
Options
(a) locomotion (b) encystment (c) sporulation (d) binary fission
Correct Answer:
encystment
Explanation:
No explanation available. Be the first to write the explanation for this question […]
In protozoa like Amoeba and Paramecium, the organ for osmoregulation is
Options
(a) contractile vacuole (b) mitochondria (c) nucleus (d) food vacuole
Correct Answer:
contractile vacuole
Explanation:
No explanation available. Be the first […]
The positive evidence of aquatic ancestory of bryophytes is indicated by
Options
(a) ciliated sperms (b) peristomial teeth (c) biflagellate gametes (d) gametophytic body
Correct Answer:
ciliated sperms
Explanation:
No explanation available. Be […]
In which of the following, reproductive structures lack a layer of sterile vegetative cells surrounding the egg?
Options
(a) Saccharomyces (b) Riccia (c) Funaria (d) Cycas
Correct Answer:
Saccharomyces
Explanation:
No explanation available. […]
The rhizoids of Funaria are
Options
(a) green branched thread like structures (b) unbranched root (c) branched and multicellular with oblique septa (d) unicellular growth structure
Correct Answer:
branched and multicellular with oblique […]
Mode of feeding in free living protozoans is
Options
(a) holozoic (b) saprozoic (c) both holozoic and saprozoic (d) none of these
Correct Answer:
both holozoic and saprozoic
Explanation:
No explanation available. Be […]
Which has vascular tissue, produces spores, but does not has seeds?
Options
(a) bryophyta (b) pteridophyta (c) gymnosperms (d) angiosperms
Correct Answer:
pteridophyta
Explanation:
No explanation available. Be the first to write the […]
Which one of the following is a serial mode of reproduction in protozoa?
Options
(a) plasmotomy (b) schizogony (c) anisogamy (d) autogamy
Correct Answer:
schizogony
Explanation:
No explanation available. Be the first to […]
Hydroids and leptoids are
Options
(a) conducting tissues of pteridophytes (b) water and food conducting tissues of mosses (c) conducting tissue of algae (d) food conducting tissues of gymnosperms
Correct Answer:
water and […]
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