Which of the following is an incorrect statement?

Testosterone hormone producing in human is from the prostate gland

Blastocyst consists of inner cell mass and outer trophoblast

Use of condoms for prevention of pregnancy is not a natural method

Ectopic pregnancy may occur due to sexually transmitted disease

Match 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

( a ) - ( ii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( iii )

( a ) - ( iv ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( i )

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )

( a ) - ( i ) , ( b ) - ( iii ) , ( c ) - ( ii ) , ( d ) - ( iv )

E M B I B E

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 67

EASY

NEET

IMPORTANT

Earn 100

In human breast, which of the following finally opens at the surface of the nipples?

66.67% studentsanswered this correctly

Important Questions on Human Reproduction

HARD

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 68

A functional mammary gland is characteristic of all female mammals. The glandular tissue of each breast is divided into ____A____containing clusters of cells called alveoli. The cells of alveoli secrete milk, which is stored in the cavities (lumens) of alveoli. The alveoli open into____B____ . The ____B____of each lobe join to form a ____C____. Several ____C____join to form a wider____D____ which is connected to ____E____through which milk is sucked out.

MEDIUM

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 69

A sectional view of mammary gland shows:

(i) nipple + areola
(ii) mammary lobe, alveolus and duct
(iii) antibodies + pectoralis major muscles + ribs
(iv) ampulla + lactiferous duct

MEDIUM

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 70

Milk secreted from the cells of alveoli of mammary lobes reaches nipple through lactiferous duct (L), mammary duct (M), mammary tubule (T) and mammary ampulla (A) in the following order:

EASY

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 71

The number of lobes present in a single healthy breast is

MEDIUM

NEET

IMPORTANT

Biology Crash Course NEET>Chapter 25 - Human Reproduction>Level 1>Q 72

After birth, colostrum is released from mammary glands which is rich in

EASY

NEET