Biological concept of species is mainly based on
Options
(a) reproductive isolation (b) morphological features only (c) methods of reproduction only (d) morphology and methods of reproduction
Correct Answer:
reproductive isolation
Explanation:
No […]
Genetic variation arises by
Options
(a) recombination (b) nucleolus (c) mutation (d) both recombination and mutation
Correct Answer:
both recombination and mutation
Explanation:
No explanation available. Be the first to write the explanation […]
B.O.D. stands for
Options
(a) biotic oxygen deduction (b) biotic oxide demand (c) base of degradation (d) biological oxygen demand
Correct Answer:
biological oxygen demand
Explanation:
No explanation available. Be the first to […]
Chernobyl nuclear tragedy occurred on which date?
Options
(a) 3rd December, 1984 (b) April, 1989 (c) 6th August, 1945 (d) 9th August, 1945
Correct Answer:
April, 1989
Explanation:
On 26 April, 1986 at […]
During day time sound level in silent zone is about
Options
(a) 20 dB (b) 30 dB (c) 40 dB (d) 50 dB
Correct Answer:
50 dB
Explanation:
No explanation available. Be the […]
Green house gases are
Options
(a) CO₂ (b) SO₂ (c) CO₂ and SO₂ (d) CO₂, CFC, CH₄
Correct Answer:
CO₂, CFC, CH₄
Explanation:
No explanation available. Be the first to write the explanation […]
…. acts as a shock absorber to cushion when tibia and femur come together
Options
(a) ligament (b) cartilage (c) tendon (d) disc
Correct Answer:
cartilage
Explanation:
No explanation available. Be the first […]
Acting binding sites are located on
Options
(a) troponin (b) tropomyosin (c) both tropomyosin and meromyosin (d) both troponin and tropomyosin
Correct Answer:
both tropomyosin and meromyosin
Explanation:
No explanation available. Be the […]
Identify the protein having oxygen storing capacity
Options
(a) myoglobin (b) actin (c) myosin (d) fibrin
Correct Answer:
myoglobin
Explanation:
No explanation available. Be the first to write the explanation for this question […]
A condition where a certain gene is present in only a single copy in a diploid cell is called
Options
(a) heterozygous (b) monozygous (c) homozygous (d) hemizygous
Correct Answer:
hemizygous
Explanation:
No […]
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