Stem cutting are commonly used for propagation of
Options
(a) banana (b) rose (c) mango (d) cotton
Correct Answer:
rose
Explanation:
No explanation available. Be the first to write the explanation for this […]
The ubisch bodies found in tapetal cells help in the formation of
Options
(a) sporopollenin (b) entine & pollen kitt (c) exine (d) pollen kitt & pollinia
Correct Answer:
exine
Explanation:
No explanation […]
Which of the following contains amino group
Options
(a) Basic dyes (b) Acid dyes (c) Vat dyes (d) Mordant dyes
Correct Answer:
Basic dyes
Explanation:
These dye are basic due to the presence […]
The Grignard reagent, on reaction with acetone forms
Options
(a) acetic acid (b) secondary alcohol (c) tertiary alcohol (d) acetaldehyde
Correct Answer:
tertiary alcohol
Explanation:
No explanation available. Be the first to write […]
The catalyst SnCl₂ / HCl is used in
Options
(a) Clemmensen reduction reaction (b) Cannizzaro’s reduction reaction (c) Stephen’s reduction reaction (d) Rosenmund’s reduction reaction
Correct Answer:
Stephen’s reduction reaction
Explanation:
No explanation […]
Which of the following metals acts as the most efficient catalyst
Options
(a) Alkaline earth metals (b) Transition metals (c) Alkali metals (d) Coloured metals
Correct Answer:
Transition metals
Explanation:
No explanation available. […]
The crystal structure of NaCl is
Options
(a) scc (b) bcc (c) fcc (d) either (b) or (a)
Correct Answer:
fcc
Explanation:
No explanation available. Be the first to write the explanation for […]
Iodoform test is not given by
Options
(a) acetic acid (b) ethyl alcohol (c) acetone (d) none of these
Correct Answer:
acetic acid
Explanation:
No explanation available. Be the first to write the […]
Rutherford’s experiment led to the discovery of
Options
(a) β-particle (b) α-particle (c) nucleus (d) electron
Correct Answer:
nucleus
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The oxygen dissociation curve is
Options
(a) parabola (b) slope (c) sigmoid (d) straight line
Correct Answer:
sigmoid
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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