A vertebra has a convexity both in front and behind it. It is called
Options
(a) acoelous (b) procoelous (c) amphiplatyon (d) amphicoelous
Correct Answer:
acoelous
Explanation:
No explanation available. Be the first […]
Which pigment is essential for nitrogen fixation by leguminous plants
Options
(a) anthocyanin (b) phycoerythrin (c) phycocyanin (d) leghaemoglobin
Correct Answer:
leghaemoglobin
Explanation:
No explanation available. Be the first to write the explanation […]
The drug useful to increase cardiovascular effects in human beings is
Options
(a) cocaine (b) barbiturate (c) benzodiazepine (d) insulin
Correct Answer:
cocaine
Explanation:
No explanation available. Be the first to write the […]
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. […]
Which of the following structures helps in the respiration of lichens?
Options
(a) soredia (b) isidia (c) cyphella (d) cephalodia
Correct Answer:
cyphella
Explanation:
No explanation available. Be the first to write the […]
UV-B radiation from sun causes which of the following disorder of eyes?
Options
(a) dilation of pupil (b) cataract (c) some defect of retina (d) glaucoma
Correct Answer:
cataract
Explanation:
UV radiation is a […]
The cohesive force existing between molecules of water is contributing to
Options
(a) plasmolysis (b) translocation (c) ascent of sap (d) osmosis
Correct Answer:
ascent of sap
Explanation:
No explanation available. Be the […]
The equipment employed for sterilizing glass and culture media is known as
Options
(a) dry oven (b) incubator (c) autoclave (d) dehumidifier
Correct Answer:
autoclave
Explanation:
No explanation available. Be the first to […]
Energy transfers or transformations are never 100% efficient. This is due to
Options
(a) entropy (b) homeostatis (c) catabolism (d) anabolism
Correct Answer:
entropy
Explanation:
No explanation available. Be the first to write […]
The epithelial lining of the alveoli of the frog’s lungs facing lung cavity is
Options
(a) columnar, non ciliated (b) columnar, ciliated (c) squamous ciliated (d) squamous, non ciliated
Correct Answer:
squamous ciliated
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