Exercise class 10 science 3. Life Processes in Living Organisms Part - 2 life processes in living
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. Complete the following chart.
Asexual reproduction
1. Reproduction that occurs with the help 1.
of somatic cells is called as asexual
reproduction.
2
3. This reproduction occurs with the help 3.
of mitosis only.
4.
2. Fill in the blanks.
2.
Male and female parent are necessary
for sexual reproduction.
5. Asexual reproduction occurs in different 5.
individuals by various methods like
binary fission, multiple fission,
budding, fragmentation, regeneration,
vegetative propagation, spore
production, etc.
4.
New individual formed by this method
is genetically different from parents.
34
a. In humans, sperm production occurs in
the organ
b. In humans,
chromosome is
type of reproduction.
g. Pollen grains are formed by ---
-- division in locules of anthers.
responsible for maleness.
c. In male and female reproductive
system of human,
gland is
same.
d. Implantation of embryo occurs in ------
e. ------- type of reproduction occurs
without fusion of gametes.
f. Body breaks up into several fragments
and each fragment starts to live as a
new individual. This is
3. Complete the paragraph with the help
of words given in the bracket.
(Luteinizing hormone, endometrium
of uterus, follicle stimulating hormone,
estrogen, progesterone, corpus luteum)
Growth of follicles present in the ovary
occurs under the effect of ----- This
follicle secretes estrogen.
-- grows / regenerates under the effect
Sexual reproduction of estrogen. Under the effect of ------
fully grown up follicle bursts, ovulation
occurs and
is formed from
…..
remaining part of follicle. It secrets ---
-- and
------. Under the
effect of these hormones, glands of ----
-- are activated and it becomes ready
----
--- ---
for implantation.
4. Answer the following questions in short.
a. Explain with examples types of
asexual reproduction in unicellular
organism.
b. Explain the concept of IVF.
c. Which precautions will you follow
to maintain the reproductive health?
d. What is menstrual cycle? Describe it
in brief.
5. In case of sexual reproduction, new-born
show similarities about characters. Explain
this statement with suitable examples.
6. Sketch the labelled diagrams.
a.
Human male reproductive system.
b. Human female reproductive system.
Flower with its sexual reproductive
organs.
C.
d. Menstrual cycle.
7. Give the names.
8.
a.
b.
c.
d.
e.
Hormones related with male
reproductive system.
Hormones secreted by ovary of female
reproductive system.
Types of twins.
Any two sexual diseases.
Methods of family planning.
Gender of child is determined by the
male partner of couple. Explain with
reasons whether this statement is true
or false.
9. Explain asexual reproduction in plants.
10. Modern techniques like surrogate mother,
sperm bank and IVF technique will help
the human beings. Justify this statement.
11. Explain sexual reproduction in plants.
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