Top 123 + Reproduction in animals class 8 questions and answers
Question 1: Name two animals which reproduce sexually. Answer: Cow, Elephant Question 2: Name two animals which reproduce asexually. Answer: Hydra, Amoeba Question 3: Which type of reproduction involves gametes? Answer: Sexual reproduction Question 4: Which type of reproduction does not involve gametes? Answer: Asexual reproduction
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1. Where are the ovum or the eggs formed? (a) testes (b) penis (c) ovary (d) ovident 2. Where do the fusion of the sperm and the ova usually take place? (a) uterus (b) testes (c) ovary (d) oviduct 3. Animals exhibiting external fertilisation produce numerous gametes. Justify with a reason from the one given below:
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Solution: Binary fission is a type of asexual reproduction seen in unicellular organisms. In this method, first, the nucleus divides, followed by cytoplasmic division. This forms two daughter cells from one parent cell. Therefore, Paramecium dividing itself to form two daughter cells represents binary fission. 8.
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Reproduction in Animals Class 8 MCQ Test (Online Available) FREE MCQ Test Reproduction in Animals Test - 20 10 Marks 10 Minutes Start Test Reproduction in Animals Test - 19 10 Marks 10 Minutes Start Test Reproduction in Animals Test - 18 10 Marks 10 Minutes Start Test Reproduction in Animals Test - 17 10 Marks 10 Minutes Start Test
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Asexual Reproduction. Reproduction in Animals Class 8 CBSE Science Chapter 9- Extra Questions to Practice (Solved) 1. What do you mean by Reproduction? Ans. Reproduction is a biological process in which new organisms are produced from their parents. 2. What do you mean by fertilization? Ans. The fusion of ova and sperm is called fertilization. 3.
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The Science NCERT Solutions for Class 8 provided here shed light on modes of animal reproduction, reproductive organs, sexual mode of reproduction, asexual mode of reproduction, fertilisation and its types, binary fission and budding modes of asexual reproduction. NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals Download PDF
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Question 1 Smith is observing a cow giving birth. After that he thinks that why do hens lay eggs instead of giving birth like cow. Describe two different types of animals based on giving birth. Answer Question 2 What is incubation? Why do hens perform incubation? Answer Question 3 What is In-vitro Fertilisation? Answer Question 4
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Question 1. What is reproduction? Answer: Reproduction is the biological process by which new individual organisms are produced from their parents. Question 2. What is sexual reproduction? Answer: Reproduction which involves the fusion of male and female gametes is known as sexual reproduction. Question 3. What is fertilisation? Answer:
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Question 1. Explain the importance of reproduction in organisms. Answer: Reproduction is a vital phenomenon on this planet earth which is essential for existence and continuity of life and species on it, generation after generation. Question 2. Describe the process of fertilisation in human beings. Answer:
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Q.3) Name the following. 1) Animals which lay egg - Hen. 2) Amoeba is produced by these fusion - Binary fission. 3)Stage of the embryo where all body parts can be identified - Foetus. 4) Embryo continues to develop in - Uterus. 5) Hen gives birth to younger ones by these reproduction - External reproduction.
Top 108 + Reproduction in animals class 8 extra questions and answers
Science Chapter 9 of Class 8 is about reproduction in animals. This chapter is about learning the different modes of reproduction, like sexual reproduction and asexual reproduction. In the sexual reproduction part, the students will learn about the male reproductive organs, female reproductive organs, and fertilisation.
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CBSE Class 8 Science Reproduction in Animals Assignment Set D
Reproduction in Animals Class 8 Extra Questions Very Short Answer Questions Question 1. What is reproduction? Answer: Reproduction is the biological process by which new individual organisms are produced from their parents. Question 2. What is sexual reproduction? Answer:
Top 123 + Reproduction in animals class 8 questions and answers
Get Notes, NCERT Solutions and Extra Questions of Chapter 9 Class 8 NCERT - Reproduction in Animals. Teachoo provides the best content to learn about Reproduction with NCERT questions, worksheets, extra questions and revision notes. In this chapter, we will learn. What is Reproduction. Different Modes of Reproduction.
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1. Name the processes which are essential for the survival of individuals. Answer: Digestion, circulation, excretion and respiration. 2. What do you mean by reproduction? Answer: The process which is essential for the continuation of species is called reproduction. 3. What are different modes of reproduction?
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Example: Amoeba. Amoeba reproduces by binary fission, which is dividing into two cells. If one parent cell gives rise to many daughter cells, this type of fission is called multiple fission. To know more about Binary Fission, visit here. Budding A bud starts as an outgrowth of the parent body.
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The young one top is formed outside the body in water from the zygote formed inside eggs. Question. 9 After fertilisation, the resulting cell which gives rise to a new individual is the. (a) embryo (b) ovum (c) foetus (d) zygote. Answer. (d) After fertilisation (i.e. combining of sperm with the egg), zygote is formed.
