- ARhizobium
- BOscillatoria
- ✓Nostoc
- DLactobacillus
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Statement $I:$
The coagulum is formed of network of threads called thrombins.
Statement $II :$
Spleen is the graveyard of erythrocytes.
In the light of the above statements, choose the most appropriate answer from the options given below:
$i$. Birth control pills are likely to cause cardiovascular problem
$ii$. A woman who substitutes or takes the place of the real mother to nurse to embryo is called surrogate mother
$iii$. Numerous children have been produced by in vitro fertilisation but with some abnormalities
$iv$. Woman plays a key role in the continuity of the family and human species
$v$. Foetal sex determination test should not be banned

Statement $I$: The cerebral hemispheres are connected by nerve tract known as corpus callosum.
Statement $II$: The brain stem consists of the medulla oblongata, pons and cerebrum.
In the light of the above statements, choose the most appropriate answer from the options given below: