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Important Questions on Chemical Coordination and Integration

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 25 - Chemical Coordination and Integration>Chapter Practice>Q 6

Small amount of ..A... steroids are also secreted by adrenal ...B... which play a role in the growth of axial hair, pubic hair and facial hair during puberty.
Choose the correct combination for A and B.

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 25 - Chemical Coordination and Integration>Chapter Practice>Q 7

The Leydig cells or __A__cells, which are present in __B__spaces produce a group of hormones called androgens and mainly__C__.
Choose the correct option for A, B and C.

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 25 - Chemical Coordination and Integration>Chapter Practice>Q 8

The oestrogen is synthesised and secreted mainly by growing ...A.... After ovulation the ruptured follicle is converted to a structure called ...B...which secretes ...C._ .

Choose the correct option for A, B and C.

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 25 - Chemical Coordination and Integration>Chapter Practice>Q 9

How do hypo and hyperactivity of hormones cause disorders.

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 25 - Chemical Coordination and Integration>Chapter Practice>Q 10

Name two categories of hormones released by hypothalamus

MEDIUM