zoology

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* 1. The mammary glands in Prototherians / Egg laying mammals are

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* 2. The stroma of ovary in human is divisible into

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* 3. Antrum is first observed in

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* 4. In male reproductive tract, the duct P and Q joins to form ejaculatory duct and that opens in urethra.
If P contributes more volume in Semen then P and Q are respectively

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* 5. Following statements are given regarding MTP. Choose the correct options given beloW
 i.MTPs are generally advised during first trimester.
ii. MTPs are used as a contraceptive method.
iii.MTPs require the assistance of qualified medical personnel.
iv. MTPs are always surgical.
v.MTPs are legalized in India.

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* 6. Select the incorrect statements for sexually transmitted disease
i.Disease or infections which are transmitted through sexual intercourse are collectively called Venereal Diseases.
ii. Genital herpes, chlamydiasis, genital warts, trichomoniasis are STDs
iii. Chlamydiasis and trichomoniasis can also be transmitted by sharing of injection needles, surgical instruments and from an infected mother to the foetus.
iv. Hepatitis B, Genital herpes and HIV infections are completely curable if detected early and treated properly.
v. STDs causes complications like pelvic Inflammatory Diseases (PID), abortions, still births, ectopic pregnancies or even cancer of reproductive tract in advance stage

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* 7. Sometimes, a single gene may express more than one effect. The phenomenon is called

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* 8. In a certain taxon of insects some have 17 chromosomes and others have 18 chromosomes in their gametes. The 17 and 18 chromosomes bearing organisms are

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* 9. The distance between the genes and percentage of recombination shows

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* 10. Which statements are true regarding law of segregation of principle of inheritance?
i.Characters are controlled by discrete units called factors.
ii.It used to explain the expression of only one of the parental character in a monohybrid cross in the F1.
iii.This law is based on the fact that the alleles do not show any blending in F1.
iv. Factors occur in pairs.
v.  In a dissimilar pair of factors one member of the pair dominates (dominant) the other (recessive)
vi. Both the characters are recovered as such in the F2 generation through one of these is not seen at the F1 stage.
vii.Parents contain two alleles during gamete formation, the factors or alleles of a pair segregate from each
other that a gamete receives only one of the two factors.

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