Which one is not associated with gametogenesis?
Formation of ovum.
Formation of spermatid.
Release of ovum.
Change of spermatids to spermatozoa.
The information about the traits that parents will pass on to their young is found in
Cell membrane
Chloroplast
Cytoplasm
Nucleus
In humans, the stage of growth in a young person when the reproductive organs become functional is called
Adulthood
Fertilization
Ovulation
Puberty
Read the given statements and select the correct option.
Statement 1 : Our body secretes adrenaline during stress.
Statement 2: Adrenaline is secreted by the adrenal gland.
Both statements, 1 and 2 are true and statement 2 is the correct explanation of statement 1.
Both statements, 1 and 2 are true and are related with human endocrine system.
Statement 1 is true but statement 2 is false.
Both statements, 1 and 2 are false.
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
Which of the following is not a part of sperm?
Tail.
Head.
Cilia
Middle piece
The process of forming two new cells from a cell is called
Cell division
Pollination
Splitting
Adrenaline is a hormone secreted by adrenal gland. Which of the following statements is correct for adrenaline?
It maintains blood sugar level.
It helps the body to adjust stress.
It ensures normal growth of body.
It prepares uterus for receiving the embryo.
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 is the reproductive method of hydra?
Fission.
Budding.
Sexual reproduction.
Sporulation.
