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Worksheets8th Bio
Total questions: 12
Worksheet time: 6mins
Thyroxin produced by
Pituitary gland
Adrenal gland
Thyroid gland
Testes
There are____ pairs of chromosome in human cell.
23
46
22
44
The reproductive phase of a woman lies between her _____ and menopause.
menstrual cycle
menstruation
menarche
ovulation
Which of the following will occur in females at puberty? (I) Ovulation (II) Enlargement of breasts (III) Broadening of hips
I and II only
I and III only
II and III only
I, II and III
HIV virus will not be present in which of the following?
Blood
Sweat
Breast milk
Semen
Puberty in females begins at the age of _____.
11 to 13 years
16 to 18 years
14 to 16 years
18 to 21 years
During menstrual bleeding, the fluid that comes out of the vagina contains _____ along with blood.
Embryo
ovum
sperm
zygote
Which of the following can spread AIDS?
Eating food with an infected person
Hugging an infected person
Transfusion of infected blood
Mosquito bites
Metamorphosis of insects controlled by
Growth hormone
Insect hormone
Both
Features that distinguish the male from female are called
Primary Sexual characters
Secondary Sexual characters
Tertiary Sexual characters
Which of the following glands secrete oil?
Thyroid
Pituitary
Sebaceous
Adrenalin
The thread like structure in the fertilized egg is
Chromosomes
Zygote
Embryo
Foetus
