HARD
12th CBSE
IMPORTANT
Earn 100

Stereocilia occur in
(a)pseudostratified columnar epithelium of trachea.
(b)columnar epithelium of stomach.
(c)stratified columnar epithelium of pharynx.
(d)pseudostratified columnar epithelium of epididymis.

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Important Questions on Human Reproduction
MEDIUM
12th CBSE
IMPORTANT
In the diagram of implantation of blastocyst, choose the correct match.

EASY
12th CBSE
IMPORTANT
In human female, the blastocyst

HARD
12th CBSE
IMPORTANT
What happens during fertilisation in humans after many sperms reach close to the ovum?

MEDIUM
12th CBSE
IMPORTANT
The figure given depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of I-VI have been correctly identified?

MEDIUM
12th CBSE
IMPORTANT
Name the hormone that has no role in menstruation.

EASY
12th CBSE
IMPORTANT
Column I contain terms and Column II contains definitions. Match them correctly and choose the right answer.
Column I | Column II |
A. Parturition | 1. Attachment of zygote to the endometrium. |
B. Gestation | 2. Release of an egg from Graafian follicle. |
C. Ovulation | 3. Delivery of baby from the uterus. |
D. Implantation | 4. Duration between pregnancy and birth. |
E. Conception | 5. Formation of a zygote by fusion of the egg and sperm. |
6. Stoppage of ovulation and menstruation. |

EASY
12th CBSE
IMPORTANT
Sperm acrosome is derived from

MEDIUM
12th CBSE
IMPORTANT
In the human female, the ovarian cycle begins when the
