2,4-D is an effective
2,4-D is an effective
Options
(a) fungicide (b) rodenticide (c) weedicide (d) wormicide
Correct Answer:
weedicide
Explanation:
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Biology
Ammonium sulphate is
Ammonium sulphate is
Options
(a) pesticide (b) weed killer (c) fertilizer (d) enzyme
Correct Answer:
fertilizer
Explanation:
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Bordeaux mixture was discovered by
Bordeaux mixture was discovered by
Options
(a) Watson (b) Harrison (c) Millardet (d) Khorana
Correct Answer:
Millardet
Explanation:
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During callus differentiation which of the cells divide?
During callus differentiation which of the cells divide?
Options
(a) parenchyma only (b) meristematic only (c) Both parenchyma only & meristematic only (d) no division
Correct Answer:
meristematic only
Explanation:
No explanation available. […]
Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by
Symbiotic nitrogen fixation in root nodules of some leguminous plants is caused by
Options
(a) Rhizobium (b) Azotobacter (c) Nitrobacter (d) Nitrosomonas
Correct Answer:
Rhizobium
Explanation:
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The algal component of foliose lichen is termed as
The algal component of foliose lichen is termed as
Options
(a) phycosymbiont (b) phycobiont (c) mycobiont (d) ascolichen
Correct Answer:
phycobiont
Explanation:
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Which disease is caused by virus
Which disease is caused by virus
Options
(a) polio (b) leprosy (c) TB (d) malaria
Correct Answer:
polio
Explanation:
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Which one of the following rank contains organisms most similar to one another
Which one of the following rank contains organisms most similar to one another
Options
(a) class (b) genus (c) family (d) species
Correct Answer:
species
Explanation:
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A bivalent chromosome consists of
A bivalent chromosome consists of
Options
(a) two chromatids and one centromere (b) two chromatids and two centromeres (c) four chromatids and two centromeres (d) four chromatids and four centromeres
Correct Answer:
four chromatids […]
According of fluid mosaic model, plasma membrane is composed of
According of fluid mosaic model, plasma membrane is composed of
Options
(a) phospholipids and oligosaccharides (b) phospholipids and hemicellulose (c) phospholipids and integral proteins (d) phospholipids, extrinsic proteins and intrinsic proteins
Correct Answer:
phospholipids, […]