The animals such as ............... which give birth to young ones are called ............
The information in which row completes the given statement?
Lizard, Oviparous
Dog, Oviparous
Lizard, Viviparous
Dog, Viviparous
Which of these are changes which occur during puberty in a boy?
I. Voice breaks
II. Hips become wider
III. Shoulders become wider
IV. Menstruations starts
I and II only
I and III only
II and III only
III and IV only
Broilers can be defined as:
Egg-laying females.
Birds raised for breeding.
Birds reared only for meat.
Birds reared for both eggs and meat.
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
Which of the following changes is not observed in girls at the time of puberty?
Increase in height
Enlargement of larynx
Development of ovaries
Change in the shape of body
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
Which one of the following is not part of the male reproductive system?
Sperm
Penis
Ovaries
Testes
Which of the following glands have both endocrine and exocrine function?
Pancreas
Adrenal
Salivary
Pituitary
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.