The process of forming two new cells from a cell is called
Cell division
Pollination
Splitting
Fertilization
Which of the following is not a part of sperm?
Tail.
Head.
Cilia
Middle piece
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
Which of the following is an oviparous animal?
Blue whale.
Cat.
Rabbit.
Crow.
The branch of biology dealing with ageing is called
Gerontology
Psycho biology
Kalology
Geriatrics
A woman receives X chromosomes from:
Her mother only.
Her father only.
Both from her mother and her father.
Extra nuclear DNA in her mother's egg.
What common feature do the eggs of different organisms share?
They have hard shells
They have an embryo inside each of them
They can develop into young organisms when fertilized
They all are fertilized internally
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 one is not associated with gametogenesis?
Formation of ovum.
Formation of spermatid.
Release of ovum.
Change of spermatids to spermatozoa.
Indicate which of the following sentences are true.i) The first menstrual cycle is called menarche.ii) Menopause occurs in the female at the age of 45-50 years.iii) Vagina of female reproductive system is a primary sex organ.iv) Breast is the accessory sex character.
i,ii and iii only
i,ii and iv only
ii, iii and iv only
i and ii only