MCQ
Which of the following statements is correct?
- AAfrican catfish is not a threat to indigenous catfishes.
- BParthenium is an endemic species of our country.
- CSteller’s sea cow is an extinct animal.
- DLantana is popularly known as carrot grass.
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$A$. This disorder was first described by Langdon Down $(1866)$.
$B$. Such an individual has overall masculine development. However, the feminine developement is also expressed.
$C$. The affected individual is short statured.
$D$. Physical, psychomotor and mental development is retarded.
$E$. Such individuals are sterile.
Choose the correct answer from the options given below:
|
$I$ |
$II$ |
$III$ |
|
$(a)$ PCR |
$(i)$ Specific base sequence |
$p.$ Taq polymerase |
|
$(b)$ Downstream processing |
$(ii)$ Inheritable gene |
$q.$ Ampicillin resistant |
|
$(c)$ Restriction endonucleasel |
$(iii)$ Amplification of $DNA$ |
$r.$ E. coli |
|
|
$(iv)$ Product separation and modification |
$s.$ Quality control |
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.