Question 1 :
Which of the following is the correct sequence of events of sexual reproduction in a flower?
Question 2 :
State whether the statement is TRUE or FALSE : Banana is reproduced by the asexual method.
Question 3 :
Whether secretion of estrogen is the function of testes at puberty?
Question 4 :
Why cannot fertilisation take place in flowers if pollination does not occur?
Question 5 :
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys
Question 6 :
What changes are observed in the uterus subsequent to implantation of young embryo?
Question 7 :
In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete?
Question 8 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plant always results in formation of zygote.
Question 9 :
State whether the statement is TRUE or FALSE : Dog is reproduced by the asexual method.
Question 10 :
State whether the statement is TRUE or FALSE : Offspring formed by asexual method of reproduction have greater similarity among themselves because asexual reproduction does not involve gametes.
Question 11 :
State whether the statement is TRUE or FALSE : Flowers are produced in all groups of plants.
Question 12 :
State whether the statement is TRUE or FALSE : Offspring formed by asexual method of reproduction have greater similarity among themselves because asexual reproduction occurs before sexual reproduction.
Question 13 :
State whether the statement is TRUE or FALSE : Offspring formed by asexual method of reproduction have greater similarity among themselves because asexual reproduction occurs after sexual reproduction.
Question 14 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc185078c526e972caea1f.PNG' />
In the above figure, which part mention the function Production of egg
Question 17 :
State whether the statement is TRUE or FALSE : Flowers are always bisexual.
Question 18 :
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 19 :
In human males, the testes lie in the scrotum, because it helps in the
Question 20 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plant, fertilisation is a compulsory event.
Question 21 :
Whether development of placenta is the function of testes at puberty?
Question 23 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc185078c526e972caea1d.PNG' />
In the above figure, would a Planaria cut vertically into two halves regenerate into two individuals?
Question 24 :
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
Question 25 :
In a flower, the parts that produce male and female gametes (germ cells) are
Question 26 :
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant?
Question 27 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plants requires two types of gametes.
Question 28 :
Factors responsible for the rapid spread of bread mould on slices of bread are presence of tubular branched hyphae. Is it true or false?
Question 30 :
State whether the statement is TRUE or FALSE : Colonies of yeast fail to multiply in water, but multiply in sugar solution.
Question 31 :
Whether secretion of testosterone is the function of testes at puberty?
Question 32 :
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 33 :
State whether the statement is TRUE or FALSE : Offspring formed by asexual method of reproduction have greater similarity among themselves because asexual reproduction involves only one parent.
Question 34 :
State whether the statement is TRUE or FALSE : Unisexual flowers exhibit cross pollination.
Question 35 :
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
Question 37 :
State whether the statement is TRUE or FALSE : Unisexual flowers possessing only stamens cannot produce fruits.
Question 38 :
What would be the ratio of chromosome number between an egg and its zygote?
Question 39 :
Characters that are transmitted from parents to offspring during reproduction show
Question 40 :
State whether the statement is TRUE or FALSE : Fertilisation occurs once in a month.
Question 41 :
State whether the statement is TRUE or FALSE : Yeast is reproduced by the asexual method.
Question 42 :
State whether the statement is TRUE or FALSE : Unisexual flowers possess both stamen and pistil.
Question 43 :
In human females, an event that reflects onset of reproductive phase is
Question 45 :
Whether formation of germ cells is the function of testes at puberty ?
Question 46 :
State whether the statement is TRUE or FALSE : Unisexual flowers possess either stamen or pistil.
Question 47 :
Can you consider cell division as a type of reproduction in unicellular organism?
Question 48 :
In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called
Question 49 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc185078c526e972caea1f.PNG' />
In the above figure, which part mention the function Site of implantation.
Question 50 :
State whether the statement is TRUE or FALSE : Amoeba is reproduced by the asexual method.
