A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
A black body is heated from 27° C to 127° C. The ratio of their energies of radiations emitted will be
Options
(a) 3 : 4 (b) 9 : 16 (c) 27 : […]
AIIMS2001
Which azide is explosive
Which azide is explosive
Options
(a) Ba(N₃)₂ (b) NaN₃ (c) KN₃ (d) Mg₃N₂
Correct Answer:
Ba(N₃)₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Which of the following compound is not coloured
Which of the following compound is not coloured
Options
(a) Na₂[CuCl₄] (b) Na₂[CdCl₄] (c) K₄[Fe(CN)₆] (d) K₃[Fe(CN)₆]
Correct Answer:
Na₂[CdCl₄]
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following has highest hydration energy
Which of the following has highest hydration energy
Options
(a) MgCl₂ (b) CaCl₂ (c) BaCl₂ (d) SrCl₂
Correct Answer:
MgCl₂
Explanation:
No explanation available. Be the first to write the explanation for this […]
Hydroponics is
Hydroponics is
Options
(a) cultivation of plants in water (b) growth of plants towards water (c) growth of plants away from water (d) soil-less cultivation of plants
Correct Answer:
soil-less cultivation of plants
Viral diseases have no cure because
Viral diseases have no cure because
Options
(a) viruses have no cell wall (b) viruses can multiply repeatadly within the host cell (c) presence of capsid (d) virus possesses no cytoplasm
Correct Answer: […]
Which of these are most widely used in genetic engineering?
Which of these are most widely used in genetic engineering?
Options
(a) plastid (b) plasmid (c) mitochondria (d) ribosome
Correct Answer:
plasmid
Explanation:
No explanation available. Be the first to write the explanation […]
Velamen is a specialized tissue found in
Velamen is a specialized tissue found in
Options
(a) aerial roots of orchids (b) succulent leaves (c) pneumatophores (d) stilt roots
Correct Answer:
aerial roots of orchids
Explanation:
No explanation available. Be the […]
Which of these are considered most essential in the origin of life?
Which of these are considered most essential in the origin of life?
Options
(a) enzymes (b) nucleic acids (c) carbohydrates (d) proteins
Correct Answer:
nucleic acids
Explanation:
No explanation available. Be the first […]