Class 8 Reaching The Age Of Adolescence CBSE Questions & Answers
Class 8 · Reaching The Age Of Adolescence
This is Science Class 8 Reaching the Age of Adolescence CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
Which gland develops inside the breast of girls?
- ASeminal gland
- BMammary glandCorrect
- CLactic gland
- DMaster gland
2
Beginning of menstrual cycle at puberty is called
- AMenstruation
- BMenarcheCorrect
- CContraception
- DMenopause
3
In females, the reproductive phase of life begins at
- AAdulthood
- BMenstruation
- CMenstrual cycle
- DPubertyCorrect
4
Which sex organ of male produce sperms?
- AUrinary bladder
- BPenis
- CUrethra
- DTestisCorrect
5
Fusion of male and female gametes to produce zygote is called
- AImplantation
- BSexual intercourse
- CCopulation
- DFertilizationCorrect
6
Loss of reproductive capacity in woman after age of 45 years is called
- AMenarche
- BMenopauseCorrect
- CAgeing
- DMenstruation
7
All human beings have ___________ of chromosomes.
- A23 only
- B23 pairsCorrect
- C46 pairs
- D21 pairs
8
Which of the following is secondary sexual character?
- AOvary
- BTestis
- CBreastCorrect
- DThyroid
9
In male, sex chromosome is
- AXXX
- BXYCorrect
- CXZ
- DXX
10
The sex of child depends on the
- ABlood group of father
- BOvum of mother
- CBlood group of mother
- DSperm of fatherCorrect
11
Which of the following is a female hormone?
- ATestosterone
- BGrowth hormone
- CInsulin
- DEstrogenCorrect
12
Goitre is a disease of the
- AAdrenal gland
- BThyroid glandsCorrect
- CPancreas
- DPituitary gland
13
The hormone produced by thyroid gland is called
- AEstrogen
- BTestosterone
- CInsulin
- DThyroxinCorrect
14
Less or no secretion of insulin may cause
- ADiabetesCorrect
- BColour blindness
- CGigantism
- DGoiter
15
Which hormone prepares us for emergency situation?
- AAdrenalinCorrect
- BInsulin
- CGrowth hormone
- DThyroxin