Which of the following is incorrect about Dolly, the clone?
It was cloned by lan Wilmut and his colleagues.
During the process of its cloning, the cell was collected from the udder of a female Finnish Dorset Sheep.
It had a natural death.
It was given birth by a Scottish black face ewe.
Which of the following is true about adolescence?
It begins around the age of 15 and lasts up to 18 or 19 years of age.
It starts at the end of puberty and ends at the beginning of adulthood.
It is the post puberty period when external sex characters appear.
It is a transitional stage of mental and physical human development. Development of secondary sexual characters takes place in this stage.
Broilers can be defined as:
Egg-laying females.
Birds raised for breeding.
Birds reared only for meat.
Birds reared for both eggs and meat.
What is the purpose of amniocentesis?
Diagnose heart for diseases.
Know about diseases of brain.
Diagnose embryo for hereditary diseases.
Diagnose blood for abnormalities.
Which one is not associated with gametogenesis?
Formation of ovum.
Formation of spermatid.
Release of ovum.
Change of spermatids to spermatozoa.
The process of forming two new cells from a cell is called
Cell division
Pollination
Splitting
Fertilization
Which one of the following is not part of the male reproductive system?
Sperm
Penis
Ovaries
Testes
Which of the following statements are incorrect regarding a test tube baby?i) A test tube baby is completely developed in a test tube.ii) It is developed through tissue culture.iii) The ovum is fertilized externally in specific condition and thereafter, implanted in the uterus.iv) It develops from a non-fertilized egg.
i and iv only
ii and iv only
i and iii only
i, ii and iv only
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
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