Monday, 6 June 2022

Class 12 Biology - Human Reproduction (MCQs) #class12Biology #BiologyMCQs #NEET #eduvictors

Class 12 Biology - Human Reproduction (MCQs)

Class 12 Biology - Human Reproduction (MCQs) #class12Biology #BiologyMCQs #NEET #eduvictors


Q1. Seminal plasma in humans is rich in

(a) fructose and calcium 

(b) glucose and calcium

(c) Progesterone and testosterone 

(d) potassium and calcium



Q2(AIMPMT). The shared terminal duct of the reproductive and urinary system in the human male is

(a) urethra 

(b) ureter

(c) vas deferens 

(d) vasa efferentia



Q3(NEET 2017). Capacitation occurs in

(a) rete testis

(b) epididymis

(c) vas deferens

(d) female reproductive tract



Q4(AIPMT). The Leydig cells are a source of

(a) fructose 

(b) androgens 

(c) progesterone 

(d) mucus



Q5. Spot the odd one out from the following structures with reference to the male reproductive system. 

(a) Rete testis 

(b) Epididymis

(c) Vasa efferentia 

(d) Isthmus



Q6. The immature male germs cell undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to the above. 

(a) Spermatogonia have 46 chromosomes and always undergo meiotic cell division

(b) Primary spermatocytes divide by mitotic cell division

(c) Secondary spermatocytes have 23 chromosomes and undergo second meiotic division

(d) Spermatozoa are transformed into spermatids



Q7.(AIPMT) Sertoli cells are found in

(a) ovaries and secrete progesterone

(b) adrenal cortex and secrete adrenaline

(c) seminiferous tubules and provide nutrition to germ cells

(d) pancreas and secrete cholecystokinin


Q8. The membranous cover of the ovum at ovulation is called?

(a) corona radiata 

(b) zona radiata 

(c) zona pellucida 

(d) chorion



Q9. Urethral meatus refers to the 

(a) urinogenital duct 

(b) opening of vas deferens into the urethra

(c) the external opening of the urinogenital duct 

(d) muscles surrounding the urinogenital duct



Q10. Which of the following events is not associated with ovulation in human females?

(a) Decrease in oestradiol

(b) Full development of Grafian follicle

(c) Release of the secondary oocyte

(d) LH Surge



Answers:

1. (a) fructose and calcium 

2. (a) urethra 

3. (d) female reproductive tract 

[Capacitation means the change undergone by sperm in the female reproductive tract that enables them to penetrate and fertilize an egg]

4. (b) androgens 

5. (d) Isthmus

6. (c) Secondary spermatocytes have 23 chromosomes and undergo second meiotic division

7. (c) seminiferous tubules and provide nutrition to germ cells

8. (a) corona radiata 

9. (c) external opening of the urinogenital duct 

10. (a) Decrease in oestradiol


👉See Also:

No comments:

Post a Comment

We love to hear your thoughts about this post!