REPRODUCTION IN ORGANISMS
2010 MARCH
1. Fill up the blanks after reading the
statement: (1)
The post fertilization events in
angiosperms.
Zygote : Embryo
Ovule : ………………
Ovary : ………………
2. Given below are 3 gametes a, b and c. a
and b gametes undergo fusion.
a. Identify the fusion.
b. Give the explanation for the
identification. (1)
2010 SAY
1. Find out which of the statements are
true. (1)
a. Ovary develops into fruit.
b. In flowering plants, zygote is formed
outside the ovule.
c. Ovules develop into fruit.
d. Zygotes develop into embryo.
2. Farmers are propagating plants using
vegetative structures. Can you mention the names of any two such structures? (1)
2011 MARCH
No questions
2011 SAY
1. Pre-fertilization events of sexual
reproduction in all organisms are gametogenesis and gamete transfer. What are
the post fertilization events? (1)
2. You are asked to plant ginger in your
home. Which part of ginger you will plant? Name the type of reproduction. (1)
2012 MARCH
1. In asexual
reproduction, offspring are produced by a single parent with or without the
involvement of gamete formation. Name the asexual reproductive structures (a &
b) given below. (2)
2012 SAY
1. Zoospores are common asexual reproductive
structures in plants and animals with relatively simple organization. Name two
other asexual reproductive structures seen in the group. (1)