Question 2 :
In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete?
Question 3 :
State whether the statement is TRUE or FALSE : Unisexual flowers exhibit cross pollination.
Question 4 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plant,Offspring formed are clones.
Question 5 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plant, fertilisation is a compulsory event.
Question 6 :
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 7 :
State whether the statement is TRUE or FALSE : Sexual reproduction in flowering plants requires two types of gametes.
Question 8 :
In human females, an event that reflects onset of reproductive phase is
Question 9 :
Why cannot fertilisation take place in flowers if pollination does not occur?
Question 10 :
In human males, the testes lie in the scrotum, because it helps in the
Question 11 :
Can you consider cell division as a type of reproduction in unicellular organism?
Question 12 : <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 Entry of the sperms.
Question 13 :
State whether the statement is TRUE or FALSE : Fertilisation occurs once in a month.
Question 14 :
Whether development of placenta is the function of testes at puberty?
Question 15 :
Factors responsible for the rapid spread of bread mould on slices of bread are large number of spores. Is it true or false?
Question 16 :
State whether the statement is TRUE or FALSE : Reproduction is linked to stability of population of a species.
Question 17 :
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 18 :
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
Question 21 :
State whether the statement is TRUE or FALSE : Unisexual flowers possess either stamen or pistil.
Question 22 :
A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that
Question 23 :
State whether the statement is TRUE or FALSE : Unisexual flowers possessing only stamens cannot produce fruits.
Question 24 :
State whether the statement is TRUE or FALSE : Flowers are the sexual reproductive organs.
Question 25 :
State whether the statement is TRUE or FALSE : After fertilisation Flowers give rise to fruits.
Question 26 : <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 27 :
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys
Question 29 :
The correct sequence of reproductive stages seen in flowering plants is
Question 31 :
Whether secretion of estrogen is the function of testes at puberty?
Question 32 :
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 34 :
The correct sequence of organs in the male reproductive system for transport of sperms is
Question 35 :
State whether the statement is TRUE or FALSE : Colonies of yeast fail to multiply in water, but multiply in sugar solution.
Question 36 :
Which of the following is the correct sequence of events of sexual reproduction in a flower?
Question 37 :
State whether the statement is TRUE or FALSE : Unisexual flowers possess both stamen and pistil.
Question 38 :
State whether the statement is TRUE or FALSE : Yeast is reproduced by the asexual method.
Question 39 :
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 40 :
State whether the statement is TRUE or FALSE : Banana is reproduced by the asexual method.
Question 42 :
Offspring formed as a result of sexual reproduction exhibit more variations because
Question 45 :
In a flower, the parts that produce male and female gametes (germ cells) are
Question 46 :
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 47 :
The number of chromosomes in parents and offsprings of a particular species remains constant due to
Question 48 :
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 50 :
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant?
