MCQ
Tubectomy is a method of sterilization in which
- ✓small part of the Fallopian tube is removed or tied up
- Bovaries are removed surgically
- Csmall part of vas deferens is removed or tied up
- Duterus is removed surgically.
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| List $-I$ | List $-II$ |
| $a$ In lac operon $i$ gene codes for | $i$ transacetylase |
| $b$ In lac operon $z$ gene codes for | $ii$ permease |
| $c$ In lac operon $y$ gene codes for | $iii$ $\beta$ - galactosidase |
| $d$ In lac operon $a$ gene codes for | $iv$ Repressor |
Choose the correct answer from the options given below :
Reason : $mRNA$ is transferred from the nucleus into cytoplasm where ribosomes and amino acids are available for protein synthesis.
$(i)$ presence of sickle - shaped $RBC$
$(ii)$ Blood not clot, non stop bleeding
$(iii)$ The heterozygous female transmit the disease to sons.
$(iv)$ Both heterozygous parents transmit the disease to offspring
|
|
Column $I$
|
|
Column $II$
|
| $A$ |
$\text{UV}$
|
$i$ |
Biomagnificatron
|
| $B$ |
Biodegradable Organic matter
|
$ii$ |
Eutrophication
|
| $C$ |
$\text{DDT}$
|
$iii$ |
Snow blindness
|
| $D$ |
Phosphates
|
$iv$ |
$\text{BOD}$
|