Photoperiodism was first characterised in:
Options
(a) tobacco (b) potato (c) tomato (d) cotton
Correct Answer:
tobacco
Explanation:
Photoperiodism is the response to duration and timings of light and dark period. It was first […]
Which one of the following has its own DNA?
Options
(a) Mitochondria (b) Dictyosome (c) Lysosome (d) Peroxisome
Correct Answer:
Mitochondria
Explanation:
Mitochondria has its own DNA. It is as structure within cytoplasm of […]
The signals for parturtition originate from
Options
(a) placenta only (b) plascenta as well as fully developed foetus (c) oxytocin released from materna pituitary (d) fully devloped foetus only
Correct Answer:
plascenta as […]
Replum is present in the ovary of flower of
Options
(a) Lemon (b) Mustard (c) Sun flower (d) Pea
Correct Answer:
Mustard
Explanation:
Replum is present in the ovary of flower of mustard. […]
Palisade parenchyma is absent in leaves of:
Options
(a) mustard (b) soybean (c) gram (d) sorghum
Correct Answer:
sorghum
Explanation:
Palisade parenchyma is absent in leaves of Sorghum. It is a leaf tissue […]
In mitochondria, proteins accumulate in the
Options
(a) outer membrane (b) inner membrane (c) intermembrane space (d) matrix
Correct Answer:
inner membrane
Explanation:
The inner membrane of mitochondria contain more than 151 different […]
In gobar gas, the maximum amount is that of
Options
(a) butane (b) methane (c) propane (d) carbon dioxide
Correct Answer:
methane
Explanation:
Bio-gas is mainly composed of methane (50-70%), CO2 (30-40%) and small […]
For its activity, carboxypertidase requires
Options
(a) zinc (b) iron (c) niacin (d) copper
Correct Answer:
zinc
Explanation:
Carboxypeptidase is an exopeptidase enzyme secreted by the pancreas that acts only on the peptide […]
Which one of the following is heterosporous?
Options
(a) Dryopteris (b) Salvinia (c) Adiantum (d) Equisetum
Correct Answer:
Salvinia
Explanation:
Salvinia is an aquatic fern with both annual and perennial species- b is heterosporous […]
The common nitrogen fixer in paddy fields is
Options
(a) Rhizobium (b) Azospirillum (c) Oscillatoria (d) Frankia
Correct Answer:
Azospirillum
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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