A eukaryotic gene contain two kinds of base sequences. Which of these plays an important role in protein synthesis?
Options
(a) introns (b) exons (c) introns and exons (d) none of these
Correct […]
According to one of the most accepted theory the earth atmosphere before any life had originated consisted of H₂O, H₂, NH₂ and
Options
(a) CH₄ (b) O₂ (c) N₂ (d) none of these
Azospirillum is a
Options
(a) Nitrogen fixing vibroid bacterium (b) Gram +ve N fixing bacterium (c) Actinomycetous form which can fix nitrogen (d) Stringent anaerobe which fixes N
Correct Answer:
Nitrogen fixing vibroid […]
Emasculation means
Options
(a) removal of sepal (b) removal of petal (c) removal of stamens (d) removal of carpel
Correct Answer:
removal of stamens
Explanation:
No explanation available. Be the first to write […]
Prostate gland is a
Options
(a) digestive gland (b) sperm producing gland (c) semen secreting accessory gland of male (d) hormone producing gland of the ovary
Correct Answer:
semen secreting accessory gland of […]
Embryo sac represents
Options
(a) megasporophyll (b) megaspore (c) megagamete (d) megagametophyte
Correct Answer:
megagametophyte
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Constituent of RNA is
Options
(a) adenine, guanine, purine, thymine (b) adenine, guanine, uracil, cytosine (c) adenine, guanine, purine, pyrimidine (d) adenine, guanine, purine, thymine, uracil, cytosine
Correct Answer:
adenine, guanine, uracil, cytosine
CO is harmful because
Options
(a) it causes pollution (b) it burns very rapidly (c) it combines more readily with haemoglobin in blood and not allow O₂ to bind (d) it causes damage […]
Smallest bacterium is
Options
(a) spirillium (b) bacillus (c) dialister (d) none of these
Correct Answer:
dialister
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Chlamydomonas occurs in
Options
(a) fresh water (b) pond and lake (c) river (d) ocean
Correct Answer:
pond and lake
Explanation:
No explanation available. Be the first to write the explanation for this […]
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