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How do Organisms Reproduce ? Important Questions & Preparation Tips

 29-JUN-2013

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In this article you will get the clue that from where and how the questions are being framed from the chapter How do Organisms Reproduce?

The experts of jagranjosh.com have full confidence that you will not miss any of the questions in the board exam as well as in competitive exams from this chapter if you will keep the following terms / question in your mind while studying

  • Explain – in asexual reproduction a part of organism separates and forms a new organism?
  • Name the  parasite which causes black fever
  • How does reproduction take place by multiple fission?
  • What do you understand by the term daughter nuclei?
  • Colonies of yeast do not multiply in water but they do multiply in sugar solution. explain
  • How does bread mould formation takes place
  • Regeneration and its function. Why complex organisms cannot reproduce though regeneration?
  • Vegetative propagation involves the growth of something present in the old part of the plant to form a new plant. What is that something.
  • How new bryophyllum plants can be produced from leaves of old plant. Explain with diagram
  • Match the organisms given in column I with the methods of reproduction/ propagation given in column II.

             Column I                    Column II

           plasmodium                 spore formation

           spirogyra                     leaves

           jasmine                       regeneration

           apple tree                   budding

           bryophyllum                binary fission

           potatoes                     layering

           rhizopus                     fragmentation

           hydra                         tubers

           planaria                      cutting

           leishmania                  multiple fission

           sugar cane                   grafting

  • Difference between fission and fragmentation.
  • Tissue culture, type of plants which are being produced by tissue culture
  • How is DNA coping important in reproduction. Explain with example
  • Does reproduction help in providing stability to population of species?
  • How does flowering plant produce by sexual reproduction?
  • Define the term unisexual and bisexual with the examples
  • Define the term germination and also mention the role of plumule, redicle and cotyledon
  • Steps of reproduction in plants
  • Function of sepal and petal.
  • Pollination process and different examples of pollinators
  • How is male reproductive system different from female in plants?
  • Can you think of reasons, why more complex organisms cannot give rise to new individuals through regeneration?
  • Why are seeds referred to as dormant?
  • Difference between internal and external fertilization
  • Why the DNA does not get doubled during sexual reproduction
  • What are testes and their function?
  • What are the similar changes that occur in boys and girls during puberty?
  • Why are human testes extra abdominal?
  • Hormone responsible for the changes in girls and boys at the time of puberty
  • Name the path through which sperms are delivered after formation
  • Name the glands which add their secretion to the sperm
  • Name the hormone secreted from ovary
  • Function of placenta
  • What happen if the egg is not fertilized?
  • Name the infections caused by bacteria and virus
  • Place where copper T is placed and what is the disadvantage
  • How do testes remain at normal temperature?
  • How does fertilization of egg take place in human body
  • What do you understand by the term gestation.
  • Difference between zygot, embryo and foetus
  • Name the part of the flower which serves the same function as the following in animal

            Testies

            Eggs

            Ovary

            Sperms

  • What is the reason for menstruation cycle to occur?
  • Why does bleeding occur in girls during menstruation cycle?
  • The marriage ages are of male and female is 21 years and 18 years respectively, the rule is made by government, although the sexual maturation take place in them earlier. Why?
  • What are male and female gonads in human being and what are their function?
  • If a woman is using copper T contraception, will it protect her from sexually transmitted diseases?
  • People who die from AIDS are not killed by the virus itself. Explain
  • Some questions are given here as example

Q. A few statements describing certain features of reproduction are given, Select the options that are true for both asexual and sexual reproduction from the options given below:
    i.  Gametic fusion takes place
    ii. Transfer of genetic material takes place
    iii. Reduction division takes place
    iv. Progeny have some resemblance with parents
        a. (i) and (ii)
        b.  (ii) and (iii)
        c. (ii) and (iv)
        d.(i) and (iii)

Q. The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because:
       a. Offspring do not possess exact copies of parental DNA
       b. DNA of only one parent is copied and passed on to the offspring
       c. Offspring are formed at different times
       d. DNA of parent and offspring are completely different.

Q. A few statements with regard to sexual reproduction are given, Choose the correct statements from the options below:
     i. Sexual reproduction does not always require two individuals
    ii. Sexual reproduction generally involves gametic fusion
    iii. Meiosis never occurs during sexual reproduction
    iv. External fertilisation is a rule during sexual reproduction
    a.  (i) and (iv)
     b. (i) and (ii)
     c. (ii) and (iii)
     d. (i) and (iv)
Q.Given below are a few statements related to external fertilization. Choose the correct statements.
    i.  The male and female gametes are formed and released simultaneously
    ii.  Only a few gametes are released into the medium
    iii. Water is the medium in a majority of organisms exhibiting external fertilization
    iv. Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism
    a. (iii) and (iv)
    b. (i) and (iii)
    c. (ii) and (iv)
   d. (i) and (iv)

Q.In sperms, mitochondria occurs at
    a) In acrosome
    b) In tail
    c) In head
    d) In middle piece

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By:mukesh | On:04-JAN-2014 11:02:33


very good


By:Rocky pradhan | On:04-JAN-2014 06:16:55


It is because in we can stady by ease


By:SAGAR KUMAR | On:25-DEC-2013 08:22:57


THIS QUESTION ARE VERY IMPORTANT FOR ME TO PREPARE THE EXAM


By:zisha sharma | On:22-DEC-2013 09:40:13


plz give answers also with questions


By:Rajpal singh | On:07-NOV-2013 22:28:50


These questions are good to preparation of my exam


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