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 the ear of man, the perilymph passes from middle to inner ear through
Options
(a) foraman ovale (b) fenestra rotundus (c) fenestra ovalis (d) tympanic membrane
Correct Answer:
fenestra ovalis
Explanation:
No […]
The bladders of Utricularia and pitchers of Nepenthes are modification of
Options
(a) stems (b) leaves (c) roots (d) flowers
Correct Answer:
leaves
Explanation:
No explanation available. Be the first to write the […]
The transmission of nerve impulse from one neuron to other, is faciliated by
Options
(a) adrenaline (b) cholesterol (c) kinetin (d) acetylcholine
Correct Answer:
acetylcholine
Explanation:
No explanation available. Be the first to […]
Discovery of fossils of cyanobacteria indicates that life orginated sometime
Options
(a) prior to 4600 million years ago (b) between 4600 and 3600 million years ago (c) around 3600 million years ago (d) […]
The outermost sheath of connective tissue that surrounds a skeletal muscle is
Options
(a) epimer (b) epimerite (c) epimere (d) epimysium
Correct Answer:
epimysium
Explanation:
No explanation available. Be the first to write […]
Peripatus is known as a connecting link, becuase it has the characters of both
Options
(a) fishes and amphibians (b) aves and fishes (c) arthropoda and annelids (d) reptiles and birds
Correct Answer: […]
When micropyle, chalaza and funicle are in a straight line, the ovule is called
Options
(a) orthotropous (b) anatropous (c) amphitropous (d) campylotropous
Correct Answer:
orthotropous
Explanation:
No explanation available. Be the first […]
Which of the following type of RNA molecule is essential for protein synthesis?
Options
(a) mRNA (b) tRNA (c) rRNA (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. […]
Classification of organism employed on the basis of morphological characters is
Options
(a) natural selection (b) phylogenetic classification (c) artificial classification (d) none of the above
Correct Answer:
artificial classification
Explanation:
No explanation […]
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