Which one is unpaired gland in male reproductive system?
Seminal vesicle.
Cowper's gland.
Prostate gland.
Lacrimal gland.
Which of the following statements about human growth is incorrect?
Human beings stop growing in size at around 21 years of age.
Cell division occurs throughout the lives of human beings.
Human beings continue to grow bigger until they die.
Cell division is faster in young human beings than in mature human beings.
Which one of the following events is correctly matched with the time period of the normal menstrual cycle?
Release of ovum- 5th day.
Endometrium regenerates 5-10 days.
Endometrium secretes nutrients for implantation- 11- 18 days.
Rise in progesterone level 1 -15 days.
The branch of biology dealing with ageing is called
Gerontology
Psycho biology
Kalology
Geriatrics
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.
The male sex cell in humans is called the
Hormone
Ovum
Penis
Sperm
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 food items should not be included in the diet of adolescents?
Dal and roti
Rice and pulses
Fruits and vegetables
Chips and coke
The sex determining system in which males are XY and females are XX is found in which of the following groups?
Frogs.
Which of the following statements about sexual reproduction in Hydra is correct?
The new individual is formed by splitting of parent body into two halves
The fragments formed by the parent's body give rise to new individual
The spores formed on parent's body give rise to the new individual
The new individual develops as a bud on the body of parent
