Download App

STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
A triplet codon means
  • ✓
    A sequence of three nitrogen bases on $mRNA$
  • B
    A sequence of three nitrogen bases in $tRNA$
  • C
    A sequence of three bases in $rRNA$
  • D
    The presence of only three bases in $mRNA$
✓

Answer

Correct option: A.
A sequence of three nitrogen bases on $mRNA$
a
It's Obvious

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q [1M]" from STD 12 - 5. molecular basis of inheritance→STD 12 - 5. molecular basis of inheritance — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

The number of individuals at the trophic level decreases from the producer level to the consumer level in:
→
Which of the following is not a cloning vector?
→
The period between infection and appearance of AIDS symptoms is:
→
Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of
→
In an ecosystem, the insectivorous plants are placed in
→
Example of copper releasing $IUD$ is
→
At which level do herbs and grasses reside?
→
Which of the following serve as biofertiliser in paddy fields?
→
........... gene control the corn borer.
→
$I.$ Biochemical adaptation are seen in organisms living in great depth of the ocean to face crushing pressure

$II.$ Allen's rule is explain mammals living in colder climates

$III.$ Altitude sickness is caused because of body not getting enough oxygen due to low atmospheric pressure at high altitude

$IV.$ Desert lizards lack behavioural means to manage to their body temperature

Choose the correct option for above adaptations

→