Question

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1. What are hermaphrodites? Give an example.

2. Briefly describe the process of reproduction in Amoeba

3. Draw and label the various stages in the life cycle of a butterfly

4. Why is it necessary for organisms to reproduce?

5. With examples, compare viviparous and oviparous animals.

6. Draw a well-labelled diagram to show the male reproductive system.

7. What is puberty?

$(long \: answer \: the \: following)$

1. What is asexual reproduction? Explain its types.

2. Describe the process of metamorphosis in a frog.

3. What determines the gender of a baby? Explain

4. How does a hen's egg gets fertilised?

5. With the help of a diagram, show anddescribe the process of fertilisation in humans.

6. With reference to the gestation period, explain the transition of embryo to an adult.

7. Differentiate between:

a. Asexual and Sexual reproduction

b. Zygote and Foetus

c. Internal and External fertilisation

II. Short Answer Questions.​

Answer 1

ans1.The definition of a hermaphrodite is a person or animal that has both male and female sexual organs or characteristics. A plant with both stamens and pistils is an example of a hermaphrodite. ... An organism, such as an earthworm or flowering plant, having both male and female reproductive organs in a single individual.

ans2.Amoeba is a unicellular organism, and just like bacteria, it reproduces through binary fission. After replicating its genetic material through mitotic division, the cell divides into two equal-sized daughter cells....

ans4.Reproduction ensures the continuity of various species on the Earth. ... In the absence of reproduction, the species will not be able to exist for a long time and may soon get extinct.

ans5.Oviparous Animals Viviparous Animals

Oviparous Animals Viviparous AnimalsSome examples

Oviparous Animals Viviparous AnimalsSome examplesFish, amphibians, insects, birds, reptiles Humans, dogs, elephants, cats etc

ans7.Puberty is when a child's body begins to develop and change as they become an adult. Girls develop breasts and start their periods. Boys develop a deeper voice and facial hair will start to appear. The average age for girls to begin puberty is 11, while for boys the average age is 12. ...

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