Question Text
Question 1 :
Gather information about the chromosome numbers of five animals and five plants. Correlate the number with the size of organism and answer the following questions: Do larger organisms have more number of chromosomes/cells?
Question 2 :
State whether the statement is TRUE or FALSE : Amoeba is reproduced by the asexual method.
Question 4 :
Whether development of placenta is the function of testes at puberty?
Question 5 :
Factors responsible for the rapid spread of bread mould on slices of bread are availability of moisture and nutrients in bread. Is it true or false?
Question 6 :
The number of chromosomes in parents and offsprings of a particular species remains constant due to
Question 7 :
In human females, an event that reflects onset of reproductive phase is
Question 8 :
Whether secretion of estrogen is the function of testes at puberty?
Question 9 :
Gather information about the chromosome numbers of five animals and five plants. Correlate the number with the size of organism and answer the following questions: More the number of chromosomes/cells greater is the DNA content.
Question 10 :
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
Question 11 :
State whether the statement is TRUE or FALSE : Reproduction is linked to stability of population of a species.
Question 12 :
Which of the following is the correct sequence of events of sexual reproduction in a flower?
Question 13 :
State whether the statement is TRUE or FALSE : Flowers are always bisexual.
Question 14 :
State whether the statement is TRUE or FALSE : Flowers are produced in all groups of plants.
Question 15 :
In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete?
