Reproduction System and Embryology Quiz-09
Dear Readers,
NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions.
About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus.
Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced.
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Q1.
Graafian follicle contains
Solution
(c) Graafian follicle is the mature follicle present in the ovary. It consists of an outermost layer called theca externa and inner to it is theca interna.
(c) Graafian follicle is the mature follicle present in the ovary. It consists of an outermost layer called theca externa and inner to it is theca interna.
Q2.
In menstrual cycle, the menstrual phase last for
Solution
(a)
(a)
Q3.
A chemical fertilizin is produced from
Solution
(d) A chemical fertilizin is a glycoprotein or acid mucopolysaccharide produced from mature eggs. Dur to it, sperms migrate towards ova.
(d) A chemical fertilizin is a glycoprotein or acid mucopolysaccharide produced from mature eggs. Dur to it, sperms migrate towards ova.
Q4.
Solution
Q5.
According to which theory, ageing is due to accumulation of harmful protein?
Solution
(a) According to the theory of error catastrophe, the damage to mechanisms that synthesize proteins, results in faulty proteins, which accumulate to a level and causes catastrophic damage to cells, tissues and organs.
(a) According to the theory of error catastrophe, the damage to mechanisms that synthesize proteins, results in faulty proteins, which accumulate to a level and causes catastrophic damage to cells, tissues and organs.
Q6.
In frog , chromosome number is reduced to half
Solution
(d) In frog , when 1st polar body is separated, the chromosome number becomes half.
(d) In frog , when 1st polar body is separated, the chromosome number becomes half.
Q7.
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
Solution
(b) During spermatogenesis, at the end of first meiotic division, the male germ cells differentiate into the secondary spermatocytes.
(b) During spermatogenesis, at the end of first meiotic division, the male germ cells differentiate into the secondary spermatocytes.
Q8.
Sperm entry takes place in the secondary oocyte by
Solution
(d) Cone of reception. The secondary oocyte forms a projection termed as the cone of reception or fertilization cone, which receives the sperm
(d) Cone of reception. The secondary oocyte forms a projection termed as the cone of reception or fertilization cone, which receives the sperm
Q9.
Vasa deferentia together with seminal vesicle forms
Solution
(c) The vas deferens loops over urinary bladder, where it is joined by duct from seminal vesicle to form ejaculatory duct. Vasa deferentia carry sperms
(c) The vas deferens loops over urinary bladder, where it is joined by duct from seminal vesicle to form ejaculatory duct. Vasa deferentia carry sperms
Q10.
Which of the following hormones is secreted by implanted blastocyst, that acts on the corpus luteum in the ovary, stimulating the body to produce oestrogens and progesterone to maintain the uterine lining?
Solution
(b) Blastocyst secretes a hormone called human chorionic gonadotropin (hCG), which maintains the corpus luteum in the ovary.
(b) Blastocyst secretes a hormone called human chorionic gonadotropin (hCG), which maintains the corpus luteum in the ovary.
