MCQ
Ethylene gas
- AIs a saturated hydrocarbon
- BSlows down the ripening of apples
- CRetards ripening of tomatoes
- ✓Speeds up maturation of fruits and early ripening of some fruits
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$(i)$ Leucocytes disintegrate in the spleen and liver.
$(ii)$ $RBC, WBC$ and blood platelets are produced by bone marrow.
$(iii)$ Neutrophils bring about destruction and detoxification of toxins of protein origin.
$(iv)$ The important function of lymphocytes is to produce antibodies