Mammary Glands

Q.

The glandular tissue of each mammary gland is divided into?

1. 5-10 mammary lobes

2. 15-20 mammary lobes

3. 23-25 mammary lobes

4. 25-30 mammary lobes

Q.

What is the biological significance of proteins?

Q.

Function of zias and miobomian gland

Q. The viscous fluid that fills the cavity of the antrum is called ________.

1. cerebrospinal fluid
2. hyaluronic acid
3. liquor folliculi
4. blood plasma

Q. The hormone responsible for milk release from mammary glands is produced by_____.

1. corpus luteum
2. hypothalamus
3. posterior pituitary
4. none of these.

Q. Given below is the diagram of human foetus within the uterus with two labellings ‘X’ and ‘Y’. Select the option which represents the hormone responsible for the formation of structure ‘X’ and the hormone secreted by structure ‘Y’.
[0.7 mark]

1. Estrogen, hCG
2. Progesterone, estrogen
3. hPL, relaxin
4. Cortisol, prolactin

Q. Mammary gland is modification of

1. Sweat gland
2. Salivary gland
3. Lacrimal gland
4. None of these

Q. With respect to the descent of testes into the scrotum, match the following column I and column II with respect to the structures involved in the process and their respective functions.

1. A→(iv), B→(iii), C→(ii), D→(i)
2. A→(ii), B→(i), C→(iv), D→(iii)
3. A→(i), B→(ii), C→(iv), D→(iii)
4. A→(iii), B→(i), C→(iv), D→(ii)

Q. During ovulation, the oocyte that is released from the Graafian follicle is covered by different membranes. Which of the following is not a membrane present in the oocyte?

1. Chorion
2. Zona pellucida
3. Corona radiata
4. Cumulus oophorus

Q.

Identify the true/false statements. Correct each false statement to make it true.

Vagina is equivalent to the male penis.

1. True
2. False

Q. Mammary glands are modified glands.

Q. Hormone stimulating milk secretion is

1. Prolactin
2. Estrogen
3. Luteinising hormone
4. Testosterone

Q.

Mammary glands are stimulated by

1. LH

2. ADH

3. FSH

4. LTH

Q. If vasa efferentia get blocked, gametes will not be transported from:

1. Ovary to the uterus
2. Vagina to the uterus
3. Testis to epididymis
4. Epididymis to vas deferens

Q. Which of the following is not a human salivary gland?

1. Parotid
2. Submaxillary
3. Sublingual
4. Infra orbital

Q. The process of spermatogenesis and oogenesis in most vertebrates are under the influence of which of the following hormones?

1. Oxytocin
2. ICSH
3. ACTH
4. FSH and LH

Q. Answer briefly.

(iii) Name the accessory gland responsible for the secretion of milk in females.

Q. Assertion :Prolactin is also called the Milk ejection hormone. Reason: Prolactin stimulates the smooth muscle contractions of the mammary glands.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Glands of the gut are of three types as shown in the figure. Classify the following examples of glands under X, Y and Z.

1. (i) (ii) (v), (iv) (iii), (vi)
2. (iii) (iv) (v), (vi) (i), (ii)
3. (iii), (v) (i), (ii) (iv) (vi)
4. (i) (ii), (v) (iv) (iii), (vi)

Q.

Mammary glands are modified sweat glands.

1. True
2. False

Q.

Mammary glands are stimulated by

1. LH

2. ADH

3. FSH

4. Prolactin

Q.

How is milk production regulated by hormones in human female? Explain

Q. Who is father of taxonomy?

1. Parasara
2. Darwin
3. Linnaeus
4. Lamarck

Q. A group of organisms at any particular level in a classification system is called a _____.

Q. ___________________ deals with the identification, classification and naming of an organism.

1. Morphology
2. Ecology
3. Anatomy
4. Taxonomy

Q. Sugar that occurs only in mammals is

1. Trehalose
2. Galactose
3. Lactose
4. Mannose

Q. Crypts of Lieberkuhn is an example for

1. Simple tubular gland
2. Simple alveolar gland
3. Compound tubular gland
4. Compound alveolar gland

Q. The hormone responsible for milk release from mammary glands is produced by_____.

1. corpus luteum
2. hypothalamus
3. posterior pituitary
4. none of these.

Q. Which scientist invented the taxonomic system to classify plants and animals?

Q. Write down the functions of Tapetum?