CBSE Class 12 Biology – MCQ and Online Tests – Unit 3 – Human Reproduction
Every year CBSE conducts board exams for 12th standard. These exams are very competitive to all the students. So our website provides online tests for all the 12th subjects. These tests are also very effective and useful for those who preparing for competitive exams like NEET, JEE, CA etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.
These online tests are based on latest CBSE Class 12 syllabus. While attempting these our students can identify the weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly.
CBSE Class 12 Biology – MCQ and Online Tests – Unit 3 – Human Reproduction
Question 1.
The cavity of blastula Is:
(a) Blastocoel
(b) Coelome
(c) Archentron
(d) Homocoel
Answer
Answer: (b) Coelome
Question 2.
The tiny finger-like structure which lies at the upper junction of the two labia minora above the urethral opening is called:
(a) Clitoris
(b) Majora
(c) Mammary duct
(d) Hymen
Answer
Answer: (a) Clitoris
Question 3.
An accessery genital gland of man is:
(a) Prostate gland
(b) Seminal gland
(c) Cowper’s gland
(d) All of these
Answer
Answer: (d) All of these
Question 4.
Sertolicells present in:
(a) In liver
(b) In Testis
(c) In Ovary
(d) in Pancreatic gland
Answer
Answer: (b) In Testis
Question 5.
Ovaries produce the female gamete called :
(a) Sperm
(b) Oviducts
(c) Ovum
(d) Prostate
Answer
Answer: (c) Ovum
Question 6.
The last part of the oviduct is called :
(a) Isthumus
(b) Ampulla
(c) Fimbriae
(d) Infundibulum
Answer
Answer: (a) Isthumus
Question 7.
The finger-like projections in the infundibulum are called:
(a) Fimbriae
(b) Ampulla
(c) Isthmus
(d) None of these
Answer
Answer: (a) Fimbriae
Question 8.
The opening of the vagina is often covered partially by a membrane called:
(a) Clitoris
(b) Majora
(c) Isthmus
(d) Hymen
Answer
Answer: (d) Hymen
Question 9.
Milk is sucked out from the:
(a) Mammary lobes
(b) Mammary glands
(c) Mammary ducts
(d) Lactiferous duct
Answer
Answer: (d) Lactiferous duct
Question 10.
Ovaries are found in the:
(a) In male reproductive system
(b) In Female reproductive system
(c) Can be both (a) and (b)
(d) None of these
Answer
Answer: (b) In Female reproductive system
Question 11.
The male reproductive system in located in the :
(a) In Pelvis region
(b) In Thoracic region
(c) In Back region
(d) None of these
Answer
Answer: (a) In Pelvis region
Question 12.
The uterus is single and it is also called :
(a) Fimbrae
(b) Isthmue
(c) Ampulla
(d) Womb
Answer
Answer: (d) Womb
Question 13.
The cells which synthesize and secrete testicular hormones called endrogens are:
(a) Germ cells
(b) Ledig cells
(c) Sertoli cells
(d) None of these
Answer
Answer: (a) Germ cells
Question 14.
Graafian follice occur:
(a) In humanithyroid
(b) In human female’s ovary
(c) In frog’s ovary
(d) In Rabbits testis
Answer
Answer: (c) In frog’s ovary
Question 15.
The grandular tissue of each breast of each breast in divided into 15-20:
(a) Mammary ducts
(b) Mammary glands
(c) mammary lobes
(d) None of these
Answer
Answer: (c) mammary lobes
Question 16.
Leydigicell found in.
(a) In liver
(b) In testis
(c) In kidney
(d) In intestine
Answer
Answer: (b) In testis
Question 17.
The nature male germ cells produce sperms by :
(a) Spermatogenesis
(b) Spermatids
(c) Spermination
(d) None of these
Answer
Answer: (a) Spermatogenesis
Question 18.
In mammals male hormones are produced in:
(a) In Liver
(b) In Testis
(c) In Kidney
(d) In Lungs
Answer
Answer: (b) In Testis
Question 19.
Gestation period in human female:
(a) 30 Days
(b) 90 Days
(c) 9 Months
(d) 7 Months
Answer
Answer: (c) 9 Months
Question 20.
Androgens stimulate the process of?
(a) Body
(b) Head
(c) Tail
(d) Spermatogenesis
Answer
Answer: (d) Spermatogenesis
Question 21.
First Menstrual cycle at the time of puberty is called:
(a) Ovum
(b) Sperm
(c) Menses
(d) Menarche
Answer
Answer: (d) Menarche
Question 22.
The release of eggs from the ovary of human female is called:
(a) Plantation
(b) Gestation
(c) Ovulation
(d) Parturition
Answer
Answer: (c) Ovulation
Question 23.
Ovulation regulate by which hormone:
(a) TSH
(b) ACTH
(c) ADH
(d) FSH and LH
Answer
Answer: (c) ADH
Question 24.
The machanism of formation of mature female gamete is:
(a) Spermatogenesis
(b) Acrosome
(c) Semen
(d) Oogenesis
Answer
Answer: (d) Oogenesis
Question 25.
Fertilization takes place in human :
(a) In uterus
(b) In vagina
(c) In ovary
(d) In fallopian tubes
Answer
Answer: (d) In fallopian tubes
0 Comments:
Post a Comment