Previous year's Questions:
______________________
01) Mention the mode of reproduction used by
a) Amoeba b) Planaria
02) State the method used for growing rose plants.
03) Why is DNA copying essential part of sexual reproduction?
04 Write the expanded form of AIDS.
05) What is vegetative propagation?
06) List two functions performed by ovaries in human females.
07) Write the full form of IUCD.
08) Name two sexually transmitted disease.
09) Mention the feature of the pollen grains of wind pollinated plants.
10) What harm is caused if the testis in human male fail to descend into the scrotal sac?
11) Explain the vegetative propagation with two examples List two advantages.
12. Explain the term—
(a) Implantation (b) Placenta. What is the average duration of pregnancy in humans?
13) illustrate the following with the help of suitable diagram.
a) Bìnary fission in amoeba.
b) Spore farmation in Rhizopus.
c) Regeneration in planaria.
d) Multiple Fission in Plasmodium.
e)Leaf of bryophyllum with buds.
14) Define the unisexual and bisexual giving an example each.
15) Differentiate between self pollination and cross pollination. Describe double fertization in plant.
16) When does ovulation occur during the menstrual cycle in a normal healthy female?
17) What is pollination? Describe cross pollination.
18) What are the male and female gonads in human being? State twe functions of each.
19) What are the advantages of sexual reproduction over the asexual reproduction?
20) Draw the longitudinal section of a fower and draw the following parts:
a) Part that produce pollen grains
b) Part that transfer male gamet to female gamet
c)Part that is sticky to trap pollen grains
d) Part that develops into a fruit
21) Expalin the role of placenta in development of human embryo.
22) Give two example of bacterial and two viral STD. Name most effective contraceptive that prevent such diseases.
23) Draw a diagram to show the fertilization in a flowering plants. Label on it — a) Stigma b) Ovary c) Polar nuclei d) egg cell.
24) Where do the following function occurs?
a) Production of an egg
b) Fertilisation
c) Implantation of Zygate
25) Distinguish between Gamet and zygote. Explain their roles in sexual reproduction.
26) In a bisexual flower inspite of the stamens being removed artificially, the flower produce fruit. Give a suitable explaination for this situation.
27) In a tobacco plant, the male gamet have twenty four chromosomes. What is the no. of chromosomes in the famale gamet and in Zygote?
28) What are the different methods of contraception?
29) Trace the path of sperm during ejaculation. Mention the glands and their function associated with male reproductive system.
30) Reproduction is not essential for the survival of an individual, but it is most significant process for the survival of a species. Why?
NOTE — "this questions is copy paste from my book so, their can be spelling mistakes, so ignore spelling mistakes."
CAN YOU PLEASE SOLVE ALL QUESTIONS.^_^
Answers
Answered by
2
Answer:
Ans 1 a) Binary Fission b) Regeneration
Ans 2 Artificial propagation
Ans 3
Ans 4 Acquired Immuno Defeciency Syndrome
Ans 5 It is the production of new plants from parts like leaves, stem and roots
Answered by
6
Answer:
The Exact copy of something is called the replica
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