There is a restriction endonuclease called EcoRI. What does .co. part in it stand for ?
Options
(a) colon (b) coelom (c) coenzyme (d) coli
Correct Answer:
coli
Explanation:
No explanation available. Be […]
The process of RNA interference has been used in the development of plants resistant to
Options
(a) nematodes (b) fungi (c) viruses (d) insects
Correct Answer:
nematodes
Explanation:
No explanation available. Be the first […]
Which one of the following acts as a physiological barrier to the entry of micro-organisms in human body?
Options
(a) Epithelium of urogenital tract (b) Tears (c) Monocytes (d) Skin
Correct Answer:
Skin
Which one of the following pairs is wrongly matched while the remaining three are correct?
Options
(a) Penicillium – Conidia (b) Water hyacinth – Runner (c) Bryophyllum – Leaf buds (d) Agave – Bulbils
Which one of the following organisms is not an example of eukaryotic cells ?
Options
(a) Paramecium caudatum (b) Escherichia coli (c) Euglena viridis (d) Amoeba proteus
Correct Answer:
Escherichia coli
Explanation:
Bacteria are […]
Which one of the following is not a biofertilizer?
Options
(a) Agrobacterium (b) Rhizobium (c) Nostoc (d) Mycorrhiza
Correct Answer:
Agrobacterium
Explanation:
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Which one of the following animals is correctly matched with its particular named taxonomic category ?
Options
(a) Tiger – tigris, the species (b) Cuttle fish – mollusca, a class (c) Humans – […]
The gametophyte is not an independent, free living generation in :
Options
(a) Polytrichum (b) Adiantum (c) Marchantia (d) Pinus
Correct Answer:
Pinus
Explanation:
No explanation available. Be the first to write the explanation […]
Organisms called methanogens are most abundant in a :
Options
(a) sulphur rock (b) cattle yard (c) polluted stream (d) hot spring
Correct Answer:
cattle yard
Explanation:
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In eubacteria, a cellular component that resembles eukaryotic cells is :
Options
(a) plasma membrane (b) nucleus (c) ribosomes (d) cell wall
Correct Answer:
plasma membrane
Explanation:
No explanation available. Be the first […]
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