Which of the following are the correct statement for respiration in human
Options
(a) Cigarette smoking may lead of inflammation of bronchi (b) Neural signals from pneumotaxic centre in pons region of brain can […]
Biolistics (gene-gun) is suitable for
Options
(a) DNA finger printing. (b) Disarming pathogen vectors (c) Transformation of plant cells (d) Constructing recombinant DNA by joining with vectors
Correct Answer:
Constructing recombinant DNA by […]
In genetic engineering, the antibiotics are used
Options
(a) as selectable markers (b) to select healthy vectors (c) to keep the cultures free of infection (d) as sequences from where replication starts
Correct […]
Which one is a true statement regarding DNA polymerase used in PCR
Options
(a) It is used to ligate introduced DNA in recipient cell (b) It serves as a selectable marker (c) It […]
Which one of the following represents a palindromic sequence in DNA?
Options
(a) 5′ – GAATTC – 3′ 3′ – CTTAAG – 5′ (b) 5′ – CCAATG – 3′ 3′ – GAATCC – […]
The upright pyramid of number is absent in
Options
(a) Pond (b) Forest (c) Lake (d) Grassland
Correct Answer:
Forest
Explanation:
No explanation available. Be the first to write the explanation for this […]
The highest number of species in the world is represented by
Options
(a) Fungi (b) Mosses (c) Algae (d) Lichens
Correct Answer:
Fungi
Explanation:
No explanation available. Be the first to write the explanation […]
Which one of the following is not a function of an ecosystem
Options
(a) Energy flow (b) Decomposition (c) Productivity (d) Stratification
Correct Answer:
Stratification
Explanation:
No explanation available. Be the first to […]
Which one of the following areas in India, is a hotspot of biodiversity
Options
(a) Eastern Ghats (b) Gangetic Plain (c) Sunderbans (d) Western Ghats
Correct Answer:
Western Ghats
Explanation:
No explanation available. Be […]
Which one of the following is not a gaseous biogeochemical cycle in ecosystem ?
Options
(a) Sulphur cycle (b) Phosphorus cycle (c) Nitrogen cycle (d) Carbon cycle
Correct Answer:
Phosphorus cycle
Explanation:
No […]
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