biology

1. SAMPLE PAPER-I
SECTION-A
1.The male Reproductive part of flower the stamen are collectively known as
a.Androecium. b.Filament
c.Anther. c.Gynoecium
2.Which of the following disease is transmitted sexually
a.kala azar. b.jaundice
c.cholera. d.Syphilis
3.Which of the following is not the function of the testes at puberty
(I)Formation of germ cell
(II)Secretion of testosterone
(III)Development of placenta
(IV)Secretion of estrogen
a.i and ii
b.ii and iii
c.iii and iv
d.i and iv
4.The correct sequence of organ in the male reproductive system for transport of sperm is
a.Testis-Vas deferens-Urethra
b.Testis-Ureter-Urethra
c.Testis-Urethra-Ureter
d.Testis-Vas deferens-Ureter
5.What can be concluded about the division in plasmodium
a.The cyst divide repeatedly to form many daughter cell.
b.The cell divide multiple times give rise to many daughter cell.
c.The nucleus divide repeatedly inside the cell to form new daughter cells.
d.The cyst enlarge in size and then burst producing many new daughter cell.
SECTION-B

2. 1(a).Reproduction is one of the most important characteristics of living being. give two reason in support
of the statement.
2.Name the method by which spirogyrareproduce under favorable condition.Is this method sexual or
asasexsexual.
3.write two advantages of spore formation?
4.List two function of ovary of human female reproductive system.
5.How does it help in providing stability to the population of species.
SECTION-C
SECTION-D
(a)How are variation useful for species but not for individual?
(b)What is implantation of Zygote?
SECTION-E
1.Assertion:-Zygote is the first cell of the new generation in all sexually reproducing organism.
Reason:-Cell division and cell differentiation are the stage of embryogenesis.