Albuminous seeds store their reserve food mainly in
Options
(a) Perisperm (b) Endosperm (c) Cotyledons (d) Hypocotyl
Correct Answer:
Endosperm
Explanation:
Endosperm is the nutritive tissue which provides nourishment to the embryo in […]
Which one of the following is a hallucinogenic drug?
Options
(a) Opium (b) Caffeine (c) Morphine (d) Lysergic acid diethylamide
Correct Answer:
Lysergic acid diethylamide
Explanation:
No explanation available. Be the first to write […]
Which one of the following has haplontic life cycle?
Options
(a) Polytrichum (b) Ustilago (c) Wheat (d) Funaria
Correct Answer:
Ustilago
Explanation:
Ustilago has a haplontic life cycle. This is a simplest and most […]
One of the representatives of phylum Arthropoda is :
Options
(a) Silverfish (b) Pufferfish (c) Flying fish (d) Cuttlefish
Correct Answer:
Silverfish
Explanation:
Representive of Phylum Arthropoda is silverfish. Arthropoda is the largest phylum […]
Interfascicular cambium develops from the cells of :
Options
(a) Xylem parenchyma (b) Endomermis (c) Pericycle (d) Medullary rays
Correct Answer:
Medullary rays
Explanation:
At the time of secondary growth interfascicular cambium is […]
During seed germination its stored food is mobilized
Options
(a) Cytokinin (b) ABA (c) Gibberellin (d) Ethylene
Correct Answer:
Gibberellin
Explanation:
Gibberellins stimulate the synthesis of α-amylase and proteases enzyme in germinating grains of […]
Aerobic respiratory pathway is appropriately termed:
Options
(a) parabolic (b) amphibolic (c) anabolic (d) catabolic
Correct Answer:
amphibolic
Explanation:
All energy-releasing pathways whether aerobic (requiring oxygen) begin with a pathway called glycolysis, which occurs […]
According to Darwin, The organic evolution is due to
Options
(a) Interspecific competition (b) Competition within closely related species (c) Reduced feeding efficiency in one species (d) Intraspecific competition
Correct Answer:
Intraspecific competition
A competitive inhibitor of succinic dehydrogenase is
Options
(a) Malonate (b) Oxaloacetate (c) m-ketoglutarate (d) Malate
Correct Answer:
Malonate
Explanation:
Malonate is a powerful inhibitor of cellular respiration, because it binds to the active […]
Which one of the following is not a lateral meristem?
Options
(a) Intrafascicular cambium (b) Interfascicular cambium (c) Phellogen (d) Intercalary meristem
Correct Answer:
Intercalary meristem
Explanation:
Meristem is divided on the basis […]
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