The distance travelled by a particle starting from rest and moving with an acceleration (4/3)ms⁻², in the 3rd second is
Options
(a) 6 m (b) 4 m (c) 10/3 m (d) 19/3 m
Correct […]
Unisexuality of flowers prevents
Options
(a) autogamy, but not geitonogamy (b) both geitonogamy and xenogamy (c) geitonogamy, but not xenogamy (d) autogamy and geitonogamy
Correct Answer:
autogamy, but not geitonogamy
Explanation:
Unisexuality of […]
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. […]
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 […]
Darwinism finches are an excellent example of
Options
(a) adaptive radiation (b) seasonal migration (c) brood parasitism (d) connecting links
Correct Answer:
adaptive radiation
Explanation:
Darwin’s Finches are an excellent example of adaptive […]
The most active phagocytic white blood cells are:
Options
(a) Neutrophils and eosinophils (b) lymphocytes and macrophages (c) eosinophils and lymphocytes (d) neutrophils and monocytes
Correct Answer:
neutrophils and monocytes
Explanation:
The most active […]
Modern detergents contain enzyme preparations of:
Options
(a) Acidophiles (b) Alkaliphiles (c) Thermoacidophiles (d) Thermophiles
Correct Answer:
Alkaliphiles
Explanation:
Modern detergent contain enzymes preparations of alkaliphiles. Alkaliphiles live in alkaline environments like soda lakes, […]
Vascular tissues in flowering plants develop from:
Options
(a) phellogen (b) plerome (c) periblem (d) dermatogen
Correct Answer:
plerome
Explanation:
Vascular tissues in flowering plants develop from plerome. Plerome is a central core […]
Cellulose is the major component of cell walls of
Options
(a) Pythium (b) Xanthomonas (c) Pseudomonas (d) Saccharomyces
Correct Answer:
Pythium
Explanation:
Cellulose is a major component of cell wall of Pythium. Pythium is […]
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 […]
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