In the phosphorus cycle, weathering makes phosphate available first to
Options
(a) decomposers (b) producers (c) consumers (d) none of these
Correct Answer:
producers
Explanation:
No explanation available. Be the first to write […]
Leaf abscission, fruit fall, bud dormacy occurs by which phytohormone?
Options
(a) auxin (b) cytokinin (c) gibberellin (d) abscisic acid
Correct Answer:
abscisic acid
Explanation:
No explanation available. Be the first to write […]
The Chipko movement for conservation of forests was started in 1972 in
Options
(a) North Kanara district (b) Silent VAlley (c) Sunderbans (d) Tehri-Garhwal
Correct Answer:
Tehri-Garhwal
Explanation:
No explanation available. Be the […]
Which cells on grass leaves help in minimizing cuticular transpiration?
Options
(a) guard cells (b) bulliform cells (c) subsidiary cells (d) endodermal cells
Correct Answer:
bulliform cells
Explanation:
No explanation available. Be the […]
In meiosis, the daughter cells are not similar to that of parent because of
Options
(a) crossing over (b) synapsis (c) both crossing over and synapsis (d) none of these
Correct Answer:
crossing […]
Which of the following plants have not changed for several thousands of years?
Options
(a) Gnetum (b) Dryopteris (c) Gingko (d) Palms
Correct Answer:
Gingko
Explanation:
No explanation available. Be the first to […]
Which of the following is a component of electron transport chain in mitochondria
Options
(a) phytochrome (b) cytochrome oxidase (c) plastocyanin (d) carotenoids
Correct Answer:
cytochrome oxidase
Explanation:
No explanation available. Be the […]
The peg like process in the axis that allows the rotatory movement of the skull is
Options
(a) atlas (b) adontoid process (c) condyles (d) synovial capsule
Correct Answer:
adontoid process
Explanation:
No […]
Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are
Options
(a) type of glands (b) pain receptors (c) naked tactile receptors (d) encapsulated pressure receptors
Correct Answer: […]
The portion of DNA which contains information for an entire polypeptide is called as
Options
(a) cistron (b) muton (c) recon (d) operon
Correct Answer:
cistron
Explanation:
No explanation available. Be the first […]
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