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#	Question	Subject and topic	Difficulty
1501	In vasectomy, which structure is cut and tied?	Biology/Biological Studies/Biotechnology/Biochemistry Birth control and population stabilisation	Easy
1502	How do copper-releasing IUDs prevent conception?	Biology/Biological Studies/Biotechnology/Biochemistry Birth control and population stabilisation	Medium
1503	A couple wants a natural method based on avoiding coitus during the fertile period. Which days of a regular 2…	Biology/Biological Studies/Biotechnology/Biochemistry Birth control and population stabilisation	Medium
1504	A woman wants a reversible contraceptive that she can take only once a week and that is non-steroidal. Which …	Biology/Biological Studies/Biotechnology/Biochemistry Birth control and population stabilisation	Hard
1505	Which of the following STIs is not completely curable?	Biology/Biological Studies/Biotechnology/Biochemistry Sexually transmitted infections	Easy
1506	Which practice helps prevent STIs?	Biology/Biological Studies/Biotechnology/Biochemistry Sexually transmitted infections	Easy
1507	Hepatitis B can spread through all of the following routes except	Biology/Biological Studies/Biotechnology/Biochemistry Sexually transmitted infections	Medium
1508	Why may STIs in women often remain untreated for a long time?	Biology/Biological Studies/Biotechnology/Biochemistry Sexually transmitted infections	Medium
1509	A woman with an untreated STI develops a pregnancy in the fallopian tube. This complication is called	Biology/Biological Studies/Biotechnology/Biochemistry Sexually transmitted infections	Hard
1510	In ZIFT, the zygote or early embryo is transferred into the	Biology/Biological Studies/Biotechnology/Biochemistry Infertility and assisted reproduction	Easy
1511	The technique in which a sperm is directly injected into an ovum is	Biology/Biological Studies/Biotechnology/Biochemistry Infertility and assisted reproduction	Easy
1512	An embryo with 16 blastomeres formed by IVF is to be transferred. Which method is suitable?	Biology/Biological Studies/Biotechnology/Biochemistry Infertility and assisted reproduction	Medium
1513	A husband has a very low sperm count, but the wife is normal. Which simple ART technique is usually tried fir…	Biology/Biological Studies/Biotechnology/Biochemistry Infertility and assisted reproduction	Medium
1514	A woman cannot produce ova, but her fallopian tubes and uterus are normal. A donor ovum is placed into her fa…	Biology/Biological Studies/Biotechnology/Biochemistry Infertility and assisted reproduction	Hard
1515	In a monohybrid cross between pure tall and pure dwarf pea plants, what is the genotypic ratio in F₂?	Biology/Biological Studies/Biotechnology/Biochemistry Mendelian inheritance	Easy
1516	Crossing an F₁ hybrid with its homozygous recessive parent to determine its genotype is called a	Biology/Biological Studies/Biotechnology/Biochemistry Mendelian inheritance	Easy
1517	A tall pea plant crossed with a dwarf plant gives 52 tall and 48 dwarf offspring. What is the genotype of the…	Biology/Biological Studies/Biotechnology/Biochemistry Mendelian inheritance	Medium
1518	In a dihybrid cross between RRYY and rryy pea plants, how many of 1600 F₂ plants are expected to be round and…	Biology/Biological Studies/Biotechnology/Biochemistry Mendelian inheritance	Medium
1519	What fraction of the F₂ in a dihybrid cross (AaBb × AaBb) is expected to be homozygous for both genes?	Biology/Biological Studies/Biotechnology/Biochemistry Mendelian inheritance	Hard
1520	A red snapdragon is crossed with a white one and the F₁ is pink. This is an example of	Biology/Biological Studies/Biotechnology/Biochemistry Deviations from Mendelism	Easy