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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReceptors for sperm binding in mammals are present on:
1. Perivitelline space
2. Zona pellucida
3. Corona Radiata
4. Vitelline membrane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll of the following cells are diploid in human body, except
(1) Primary spermatocyte
(2) Primary oocyte
(3) First polar body
(4) Zygote
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch 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) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology