Which of the following food items should not be included in the diet of adolescents?
Dal and roti
Rice and pulses
Fruits and vegetables
Chips and coke
The given figure shows a male reproductive system.
The label X in the figure is ................. it deposits .................... into the vagina?
The information in which row completes the given statements?
Penis, Ova
Penis, Sperm
Testes, Ova
Testes, Sperm
Which of the following statements about reproduction are true?i) Oviparous animals give birth to young ones.ii) External fertilization takes place in frog.iii) An embryo is made up of a single cell.iv) Amoeba reproduces by binary fission.v) A zygote is formed as a result of fertilization.
i, ii and v only.
ii, iv and v only.
i and ii only.
All of the statements.
Which of these is part of the human male reproductive system?
Cervix
Testis
Uterus
Vagina
Which one of the following is not part of the male reproductive system?
Sperm
Penis
Ovaries
Testes
Broilers can be defined as:
Egg-laying females.
Birds raised for breeding.
Birds reared only for meat.
Birds reared for both eggs and meat.
The male sex cell in humans is called the
Hormone
Ovum
Which of the following is correct about identical twins?
They are developed from the joining of sperms with two separate egg cells.
Their features are identical to their parents.
They have identical thumbprints.
The nuclei of their cells contain identical genes.
Which one is not associated with gametogenesis?
Formation of ovum.
Formation of spermatid.
Release of ovum.
Change of spermatids to spermatozoa.
In humans, the stage of growth in a young person when the reproductive organs become functional is called
Adulthood
Fertilization
Ovulation
Puberty