MCQ
Dicot embryo consists of
- ARadicle and plumule
- ✓Radicle, plumule, cotyledons and sometimes endosperm
- CRadicle, plumule, cotyledons and tegmen
- DRadicle, plumule, cotyledons, tegmen and testa
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Statement $I$ : Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are produced.
Statement $II$ : Both bone marrow and thymus provide micro environments for the development and maturation of T-lymphocytes.
In the light of above statements, choose the most appropriate answer from the options given below :
$I.$ Gene therapy is a genetic engineering technique used to treat diseases at molecular level.
$II.$ Calcitonin is medically useful recombinant product in the treatment of infertility.
$III.$ Bt toxin is a biodegradable insecticide obtained from Bacillus thuringiensis.