12th Class Punjab Boards Biology Chapter 18 Reproduction Mcqs Test Online

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Question 1 of 15

Biology

1. If pregnancy is established, ovulation and menstruation ____________ throughout gestation period.

1.None of these

2.Cannot be affected

3.Remain continued

4.Remain stopped

Question 1 of 15

Question 2 of 15

2. Sertoli cells are found in:

1.Between interstitial cells

2.Seminal vesicle

3.Epididymis

4.Seminiferous tubules

Question 2 of 15

Question 3 of 15

3. Gametes in animals are produced by

1.Meiosis

2.Apomixes

3.Mitosis

4.Fission

Question 3 of 15

Question 4 of 15

4. Embryo implants in the ___________ of the uterus.

1.Cervix

2.Myometrium

3.Perimetrium

4.Endometrium

Question 4 of 15

Question 5 of 15

5. The cervix is a portion of:

1.Uterus

2.Fallopian tube

3.Vagina

4.Ovary

Question 5 of 15

Question 6 of 15

6. In parthenocarpy which levels are high in ovaries:

1.All of these

2.Cytokines

3.Auxins

4.Gibberellins

Question 6 of 15

Question 7 of 15

7. On which date is a woman most likely to ovulate if the first day of menstrual loss was first March?

1.5 March

2.14 March

3.20 March

4.28 March

Question 7 of 15

Question 8 of 15

8. What is critical in photoperiodism?

1.Length of light period

2.Both a and b

3.None of these

4.Length of dark period

Question 8 of 15

Question 9 of 15

9. Fertilization of the ovum normally occurs:

1.In distal part of oviduct

2.Along the uterine wall

3.In proximal part of oviduct

4.Successfully in vagina

Question 9 of 15

Question 10 of 15

10. Which statement is incorrect?

1.It helps in fruit ripening

2.Climacteric is burst of respiratory activity in fruit ripening

3.It helps in fruit set

4.It is associated with ethane production

Question 10 of 15

Question 11 of 15

11. How does a zygote differ from an ovum?

1.A zygote is smaller

2.A zygote consists of more than one cell

3.A zygote is much larger

4.A zygote has diploid number chromosomes

Question 11 of 15

Question 12 of 15

12. Which method is of asexual reproduction?

1.Fission

2.Apomixes

3.Sporulation

4.All of these

Question 12 of 15

Question 13 of 15

13. Spermatozoa are stored prior to emission and ejaculation in:

1.Seminal vesicle

2.Urethra

3.Epididymis

4.Prostate gland

Question 13 of 15

Question 14 of 15

14. In asexual reproduction offspring are produced by:

1.Both a and b

2.Meiosis

3.None of these

4.Mitosis

Question 14 of 15

Question 15 of 15

15. If ruptured graffian follicle is degenerated without forming corpus luteum, which of the following is expected?

1.None of these

2.Pregnancy is established

3.Menstruation will not occur

4.Ovulation will not occur

Question 15 of 15

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