Subjects
Science CBSE Homework Assignments
Class 8
Reaching the age of adolescence
Endocrine hormones

1. Sex chromosomes and endocrine glands

Question:

3 m.

Choose the best answer:

1. How many pairs of chromosomes are present in nucleus?

\(22\) pairs
\(46\) pairs
\(23\) pairs
\(44\) pairs

2. Sex chromosomes present in female

\(X\) and \(Z\) chromosome
\(X\) and \(Y\) chromosome
Two \(X\) chromosomes
Two \(Y\) chromosomes

3. Stimulates production of milk

growth hormone
adrenaline
aldosterone
prolactin

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