MCQ
Which of the following pair has haploid structures?
- ANucellus and antipodal cells.
- BAntipodal cells and egg cell.
- CAntipodal cells and megaspore mother cell.
- DNucellus and primary endosperm nucleus.
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$(1)$ Medical termination of pregency $(MTP)$ during first trimester is generally safe
$(2)$ Generally chances of conception are nil until mother breast-feeds the infant upto two years
$(3)$ Intrauterine devices like copper$-T$ are effective contraceptives
$(4)$ Contraception pills may be taken upto one week after coitus to prevent conception Which two of the above statements are correct?