MCQ
Double fertilization is fusion of
- ✓One male gametes with egg and other with secondary nucleus
- BOne male gamate with egg and other with synergid
- CTwo eggs and antipodal cells with pollen nuclei
- DTwo eggs
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$(a)$ The cattle egret and grazing cattle
$(b)$ Barnacle balanus and Barnacle chathamalus
$(c)$ Goat and Abingdon turtle from Galapagosisland
$(d)$ Barnacles growing on the back of whale
| | Bacterium | | Product |
| i. | Aspergillus niger | a. | Lactic acid |
| ii. | Acetobacter aceti | b. | Butyric acid |
| iii. | Clostridium butylicum | c. | Acetic acid |
| iv. | Lactobacillus | d. | Citric acid |