Samacheer Kalvi EM 12 Bio - Zoology Unit1 Chapter2 MCQs Mock Test

12th Bio - Zoology Mock Test

Chapter 2: Human Reproduction

Choose the correct answer from the multiple choices, then click "Next" to goto next question and click "OK" after seeing the score.

 

1. The mature sperms are stored in the __________
   1.   Seminiferous tubules
   2.   Vas deferens
   3.   Epididymis
   4.   Seminal vesicle
2. The male sex hormone testosterone is secreted from __________
   1.   Sertoli cells
   2.   Leydig cell
   3.   Epididymis
   4.   Prostate gland
3. The glandular accessory organ which produces the largest proportion of semen is __________
   1.   Seminal vesicle
   2.   Bulbourethral gland
   3.   Prostate gland
   4.   Mucous gland
4. The male homologue of the female clitoris is __________
   1.   Scrotum
   2.   Penis
   3.   Urethra
   4.   Testis
5. The site of embryo implantation is the __________
   1.   Uterus
   2.   Peritoneal cavity
   3.   Vagina
   4.   Fallopian tube
6. The foetal membrane that forms the basis of the umbilical cord is __________
   1.   Allantois
   2.   Amnion
   3.   Chorion
   4.   Yolk sac
7. The most important hormone in initiating and maintaining lactation after birth is __________
   1.   Oestrogen
   2.   FSH
   3.   Prolactin
   4.   Oxytocin
8. Mammalian egg is __________
   1.   Mesolecithal and non-cleidoic
   2.   Microlecithal and non-cleidoic
   3.   Alecithal and non-cleidoic
   4.   Alecithal and cleidoic
9. The process which the sperm undergoes before penetrating the ovum is __________
   1.   Spermiation
   2.   Cortical reaction
   3.   Spermiogenesis
   4.   Capacitation
10. The milk secreted by the mammary glands soon after child birth is called __________
    1.   Mucous
    2.   Colostrum
    3.   Lactose
    4.   Sucrose
11. Colostrum is rich in __________
    1.   Ig E
    2.   Ig A
    3.   Ig D
    4.   Ig M
12. The Androgen Binding Protein (ABP) is produced by __________
    1.   Leydig cells
    2.   Hypothalamus
    3.   Sertoli cells
    4.   Pituitary gland
13. Find the wrongly matched pair
    1.   Bleeding phase – fall in oestrogen and progesterone
    2.   Follicular phase – rise in oestrogen
    3.   Luteal phase – rise in FSH level
    4.   Ovulatory phase – LH surge
14. A – In human male, testes are extra abdominal and lie in scrotal sacs.
    R – Scrotum acts as thermoregulator and keeps temperature lower by 2°C for normal sperm production.
    1.   A and R are true, R is the correct explanation of A
    2.   A and R are true, R is not the correct explanation of A
    3.   A is true, R is false
    4.   Both A and R are false
15. Assertion (A) and Reason (R)
    A – Ovulation is the release of ovum from the Graafian follicle.
    R – It occurs during the follicular phase of the menstrual cycle.
    1.   A and R are true, R is the correct explanation of A
    2.   A and R are true, R is not the correct explanation of A
    3.   A is true, R is false
    4.   Both A and R are false
16. Assertion (A) and Reason (R)
    A – Head of the sperm consists of acrosome and mitochondria.
    R – Acrosome contains spiral rows of mitochondria.
    1.   A and R are true, R is the correct explanation of A
    2.   A and R are true, R is not the correct explanation of A
    3.   A is true, R is false
    4.   Both A and R are false

Samacheer Kalvi EM 12th Std Bio - Zoology Unit 1 Chapter 2 MCQs Mock Test Instructions

Chapter 2: Human Reproduction

Here you will find 16 MCQs questions and options. Read the questions carefully and select the appropriate answer for the question by selecting/clicking the box before the option. A pop-up box will open by displaying the result of the option selected. The result of each question will be based on percentages. Each question will have 3 chances to select the right option and for every chance, the percentage of scores will be reduced. Likewise, the remaining questions also take place. The overall percentage scored will be displayed at the completion of the mock test.

Note: Every time the page loads, the question and options will be randomized and takes you to the beginning of the particular exercise.

Button Navigations:

The Below Image shows the button navigations.

• The Home Button On the Top and Bottom Navigates to the Homepage of the Subject (Example: To Bio - Zoology if the mock test is taken from Bio - Zoology).
• The Next Chapter Button on the Top and Bottom Navigates to the Next Chapter (Example: From Chapter 2 to Chapter 3 and so on).
• The Prev Chapter Button on the Top and Bottom Navigates to the Prev Chapter (Example: From Chapter 2 to Chapter 1 and so on).
• The Next Button next to the question numbers Navigates to the Next Question (Example: From 1 to 2 and so on).
• The Show All Questions Button Displays all the questions and options of that exercise on a single page.
• The Option Box Icon (Box with Question mark icon), is the box that is to be selected for the correct option. By selecting/clicking the option box, a pop-up box will open by displaying the result of the option selected.