An example of a seed with endosperm, perisperm, and caruncle is
Options
(a) coffee (b) lily (c) castor (d) cotton
Correct Answer:
castor
Explanation:
An example of a seed with endosperm, persperm, and […]
A prokaryotic autotrophic nitrogen fixing symboint is found in:
Options
(a) Alnus (b) Cycas (c) Cicer (d) Pisum
Correct Answer:
Cycas
Explanation:
A prokaryotic autotrophic nitrogen fixing symbiont is found in Cycas.
Which one of the following acids is a derivative of carotenoids?
Options
(a) Indole 3-acetic acid (b) Gibberellic acid (c) Abscisic acid (d) indole butyric acid
Correct Answer:
Abscisic acid
Explanation:
Abscisic acid (ABA), […]
What is common in all the three, Funaria, Dryopteris and Ginkgo?
Options
(a) Independent sporophyte (b) Presence of archegonia (c) Well developed vascular tissues (d) Independent gametophyte
Correct Answer:
Presence of archegonia
Explanation:
The […]
The chief water conducting elements of xylem in gymnosperms are:
Options
(a) vessels (b) fibres (c) transfusion tissue (d) tracheids
Correct Answer:
tracheids
Explanation:
Tracheids are chief water conducting elements of xylem in […]
In germinating seeds fatty acids are degraded exclusively in the
Options
(a) proplastids (b) glyoxysomes (c) peroxisomes (d) mitochondria
Correct Answer:
glyoxysomes
Explanation:
In germinating seeds, fatty acids are degraded exclusively in the glyoxysomes. […]
Even in absence of pollinating agents seed setting is assured in
Options
(a) Comellina (b) Zostera (c) Salvia (d) Fig
Correct Answer:
Comellina
Explanation:
There are two types of flower in Commellina. They […]
A person likely to develop tetanus is immunised by administering
Options
(a) preformed antibodies (b) wide spectrum antibiotics (c) weakened germs (d) dead germs
Correct Answer:
weakened germs
Explanation:
No explanation available. Be the […]
Which one of the following is essential for photolysis of water?
Options
(a) Manganese (b) Zinc (c) Copper (d) Boron
Correct Answer:
Manganese
Explanation:
Photolysis is catalysed by the portein-bound inorganic complex containing manganese […]
Which one of the following is not a property of the genetic code?
Options
(a) Universal (b) Non-overlapping (c) Ambiguous (d) Degeneracy
Correct Answer:
Ambiguous
Explanation:
No explanation available. Be the first to […]
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