Q. No.Match the following columns and select the correct option:
Column I
Column II
(a)
Ovary
(i)
Human chorionic gonadotropin
(b)
Placenta
(ii)
Estrogen & Progesterone
(c)
Corpus luteum
(iii)
Androgens
(d)
Leydig cells
(iv)
Progesterone only
Options:
(a)
(b)
(c)
(d)
1.
(iv)
(iii)
(ii)
(i)
2.
(i)
(ii)
(iii)
(iv)
3.
(i)
(iii)
(ii)
(iv)
4.
(ii)
(i)
(iv)
(iii)
Identify the human development stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two together:
| Developmental stage | Site of occurrence | |
| 1. | Blastula | End part of fallopian tube |
| 2. | Blastocyst | Uterine wall |
| 3. | 8-celled morula | Starting point of fallopian tube |
| 4. | Late morula | Middle part of fallopian tube |
Select the correct option of haploid cells from the following groups :
| 1. | Primary oocyte, Secondary oocyte, Spermatid |
| 2. | Secondary spermatocyte, First polar body, Ovum |
| 3. | Spermatogonia, Primary spermatocyte, Spermatid |
| 4. | Primary spermatocyte, Secondary spermatocyte, Second polar body |
In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:
| 1. | Eyelids and eyelashes are formed |
| 2. | Most of the major organ systems are formed |
| 3. | The head is covered with fine hair |
| 4. | Movement of the fetus |
Receptors for sperm binding in mammals are present on:
| 1. | Perivitelline space | 2. | Zona pellucida |
| 3. | Corona Radiata | 4. | Vitelline membrane |
Which of these is not an important component of initiation of parturition in humans?
1. Release of oxytocin
2. Release of prolactin
3. Increase in estrogen and progesterone ratio
4. Synthesis of prostaglandins
A batch of students are taught about fertilisation and implantation. They have to answer the following questions by referring to the diagram.
In the ‘a’ structure, the cells which are arranged like sun’s rays are a part of which layer?
(1) Zona pellucida
(2) Corona radiata
(3) Vitelline membrane
(4) Perivitelline space
A batch of students are taught about fertilisation and implantation. They have to answer the following questions by referring to the diagram.
As shown in the diagram, the egg fertilization occurs at B. Instead of implanting at H it gets implanted at D. Which type of pregnancy would this be?
(1) Ectopic pregnancy
(2) Intrauterine pregnancy
(3) Fimbrial pregnancy
(4) Cervical pregnancy
All of the following cells are diploid in human body, except
1. Primary spermatocyte
2. Primary oocyte
3. First polar body
4. Zygote
Match the following columns and select the correct option.
| Column-I | Column-II | ||
| a. | Placenta | (i) | Androgens |
| b. | Zona pellucida | (ii) | Human chronic Gonadotropin |
| c. | Bulbo-urethral glands | (iii) | Layer of the ovum |
| d. | Leydig cells | (iv) | Lubrication of the Penis |
| a | b | c | d | |
| 1. | (i) | (iv) | (ii) | (iii) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (ii) | (iv) | (i) | (ii) |
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