Olete.in – MCQs, Mock Tests & Government Job Prep | ICSE XII MCQ Questions for Class 12 Biology Set 2

Maturation of male and female sex organs at different times is known as:

1. Herkogamy
2. Dichogamy
3. Polygamy
4. Apogamy

✅ Correct Answer: 1

Stalk of ovule is called :

1. Funicle
2. Caruncle
3. Nucellus
4. Pedicel

✅ Correct Answer: 1

Leydigicell found in.

1. In liver
2. In testis
3. In kidney
4. In intestine

✅ Correct Answer: 2

The release of eggs from the ovary of human female is called:

1. Plantation
2. Gestation
3. Ovulation
4. Parturition

✅ Correct Answer: 3

Fertilization takes place in human :

1. In uterus
2. In vagina
3. In ovary
4. In fallopian tubes

✅ Correct Answer: 4

Ovulation regulate by which hormone:

1. TSH
2. ACTH
3. ADH
4. FSH and LH

✅ Correct Answer: 3

Sertolicells present in:

1. In liver
2. In Testis
3. In Ovary
4. in Pancreatic gland

✅ Correct Answer: 2

Gestation period in human female:

1. 30 Days
2. 90 Days
3. 9 Months
4. 7 Months

✅ Correct Answer: 3

The cavity of blastula Is:

1. Blastocoel
2. Coelome
3. Archentron
4. Homocoel

✅ Correct Answer: 2

In mammals male hormones are produced in:

1. In Liver
2. In Testis
3. In Kidney
4. In Lungs

✅ Correct Answer: 2

An accessory genital gland of man is:

1. Prostate gland
2. Seminal gland
3. Cowper’s gland
4. All of these

✅ Correct Answer: 4

Ovaries produce the female gamete called :

1. Sperm
2. Oviducts
3. Ovum
4. Prostate

✅ Correct Answer: 3

The uterus is single and it is also called :

1. Fimbrae
2. Isthmue
3. Ampulla
4. Womb

✅ Correct Answer: 4

The last part of the oviduct is called :

1. Isthumus
2. Ampulla
3. Fimbriae
4. Infundibulum

✅ Correct Answer: 1

The finger-like projections in the infundibulum are called:

1. Fimbriae
2. Ampulla
3. Isthmus
4. None of these

✅ Correct Answer: 1

The opening of the vagina is often covered partially by a membrane called:

1. Clitoris
2. Majora
3. Isthmus
4. Hymen

✅ Correct Answer: 4

The tiny finger-like structure which lies at the upper junction of the two labia minora above the urethral opening is called:

1. Clitoris
2. Majora
3. Mammary duct
4. Hymen

✅ Correct Answer: 1

Milk is sucked out from the:

1. Mammary lobes
2. Mammary glands
3. Mammary ducts
4. Lactiferous duct

✅ Correct Answer: 4

The male reproductive system in located in the :

1. In Pelvis region
2. In Thoracic region
3. In Back region
4. None of these

✅ Correct Answer: 1

The cells which synthesize and secrete testicular hormones called endrogens are:

1. Germ cells
2. Ledig cells
3. Sertoli cells
4. None of these

✅ Correct Answer: 1

Ovaries are found in the:

1. In male reproductive system
2. In Female reproductive system
3. Can be both (a) and (b)
4. None of these

✅ Correct Answer: 2

The grandular tissue of each breast of each breast in divided into 15-20:

1. Mammary ducts
2. Mammary glands
3. mammary lobes
4. None of these

✅ Correct Answer: 3

The nature male germ cells produce sperms by :

1. Spermatogenesis
2. Spermatids
3. Spermination
4. None of these

✅ Correct Answer: 1

Androgens stimulate the process of?

1. Body
2. Head
3. Tail
4. Spermatogenesis

✅ Correct Answer: 4

The machanism of formation of mature female gamete is:

1. Spermatogenesis
2. Acrosome
3. Semen
4. Oogenesis

✅ Correct Answer: 4

First Menstrual cycle at the time of puberty is called:

1. Ovum
2. Sperm
3. Menses
4. Menarche

✅ Correct Answer: 4

Graafian follice occur:

1. In humanithyroid
2. In human female’s ovary
3. In frog’s ovary
4. In Rabbits testis

✅ Correct Answer: 3

Progesterone hormone is formed by :

1. Corpus calosum
2. Corpus uterai
3. Corpus luteum
4. Corpus albicans

✅ Correct Answer: 3

In India, first consus was conducted in:

1. 1851
2. 1891
3. 1921
4. 1951

✅ Correct Answer: 2

Rapid decline in a population due to high mortality rate is called:

1. Population density
2. Population crash
3. Population explosion
4. All of these

✅ Correct Answer: 2

Amniocentesis is a process to:

1. Determine any disease ¡n the heart
2. Know about diseases of brain
3. Determine any hereditary disease in the embryo
4. All of these

✅ Correct Answer: 3

‘Saheli’ a female antifertility pill, is used:

1. Daily
2. Weekly
3. Quarterly
4. Monthly

✅ Correct Answer: 1

Drug Ru-486 is used as :

1. Contraceptive
2. Abortive agent
3. Amniocentesis
4. Mutagen

✅ Correct Answer: 2

The most effective method for birth control is:

1. Abortion
2. Oral pills
3. Abstinence
4. Sterilization

✅ Correct Answer: 4

Central drug Research Institute (CDRI), Lucknow has developed a contraceptive named?

1. Mala-D
2. Combined pills
3. Saheli
4. Condoms

✅ Correct Answer: 3

Which among these is not a natural method of birth control?

1. Coitus intrruptus
2. Periodic abstinence
3. Vasectomy
4. Lactational amenorrhoea

✅ Correct Answer: 2

Which of these is cause by a retrovirus

1. Gonorrhoea
2. AIDS
3. Trichomoniasis
4. Syphillis

✅ Correct Answer: 2

Fssay on Population was published by :

1. Darwin
2. Lamarck
3. Malthus
4. Hugo de vries

✅ Correct Answer: 3

Surgical removed of testis of male of control the human population is:

1. Castration
2. Tubectomy
3. Laparoscopy
4. Vasectomy

✅ Correct Answer: 1

What is correct about the test-tube baby :

1. Fertilization in female’s genital tract and growth in test tube
2. Rearing of premature born baby in an incubator
3. Fertilization outside and gestation inside mother’s womb or uterus
4. Both fertilization and development are done outside the female genital tract

✅ Correct Answer: 3

The birth control device not used by women is?

1. Diaphrame
2. Oral pill
3. Nirodh
4. Copper-T

✅ Correct Answer: 3

The pre-natal technique to determine the gem. tic disorders in a foetus in called :

1. Laprosocopy
2. Amniocentesis
3. Abstinence
4. Coitus interrupts

✅ Correct Answer: 2

Test-tube baby is a technique where :

1. Zygote is taken from the oviduct cultured and then implanted
2. Ovum is taken out, then fertilized and implanted
3. Sperms and ovum are fused and zygote grown in a test tube)
4. All the above

✅ Correct Answer: 2

Progesteron in the contraceptive pill:

1. Prevents ovulation
2. Inhibits estrogen
3. Checks attachment of zygote to endometrium
4. All the above

✅ Correct Answer: 1

A method of both control is:

1. GIFT
2. HJF
3. IVF-T
4. IUDs

✅ Correct Answer: 4

Which is related to makes?

1. Oral pill
2. Tubectomy
3. Vasectomy
4. None of these

✅ Correct Answer: 3

Copper-T prevents:

1. Fertilization
2. Ovulation
3. Formation of embryo on the wall of Uterus
4. Interrupt reproductive duct

✅ Correct Answer: 2

Lactational Amenorrhoea is related to :

1. Temporary method of contraception
2. Absence of menstruation
3. Permanent method of contraception
4. ASTD name

✅ Correct Answer: 1

Sucess of mendal is

1. Selection of Peaplant
2. Studied of free characters
3. More Characters selection
4. Pea is Bisexual

✅ Correct Answer: 1

Loss of Melanin pigment cause for:

1. Colourblindness
2. Depigmentation
3. Phenyl Ketoneuria
4. Alkaptoneuria

✅ Correct Answer: 2