How do Organisms Reproduce?
CBSE Class 10 Science · every board question from this chapter, 2025–2025 · 16 of them repeated across years
- Match Column-I with Column-II and select the correct option from the choices provided.2025asked 3×
- Plants like rose and banana have lost the capacity to produce:2025asked 3×
- Which one of the following has half the number of chromosomes and half the amount of DNA as compared to the non-reproductive body…2025
- In a bisexual flower the male gametes are present in the:2025asked 2×
- Select a pair of bisexual flowers from the following:2025asked 3×
- Which one of the following statements is not correct for the plants raised by vegetative propagation?2025
- Bryophyllum produces new plant through:2025
- Which of the following is the correct sequence of parts of female reproductive system of flowering plants in terms of their…2025
- Select the option having correct matching of the organism given in Column I with the mode of reproduction in Column II: Column I…2025
- When a seed germinates the root grows downwards and a small shoot grows upward. This shoot is known as2025
- The correct/true statement(s) for a bisexual flower is/are: (i) They possess both stamen and pistil. (ii) They possess either…2025asked 3×
- The modes of reproduction in Spirogyra and Planaria respectively are2025asked 3×
- The number of chromosomes in a cell division is halved. This kind of cell division is observed in:2025asked 3×
- Assertion: The embryo gets nutrition from the mother's blood with the help of a special tissue called placenta. Reason (R):…2025asked 3×
- Draw labelled diagrams to show different stages of budding in Hydra.2025asked 3×
- Give reasons: The male reproductive organ responsible for formation of germ cells is located outside the abdominal cavity. The…2025asked 3×
- Write one function each of the following, in a seed: (i) Seed coat (ii) Cotyledon (iii) Radicle (iv) Plumule OR Write the main…2025asked 3×
- Differentiate between self-pollination and cross pollination. Which one of the two is better for the survival of species? Give…2025
- Define fertilisation. What happens to Zygote, Ovule, Ovary and Stamens after fertilisation in a flowering plant?2025
- Differentiate between a gamete and a zygote. State their significance in sexual reproduction.2025
- (i) What is regeneration? Give one example of an organism that shows this process and one organism that does not. Why does…2025asked 2×
- (i) Write the functions of the following parts of human female reproductive system: (I) Ovary (II) Fallopian tube (III) Uterus…2025asked 3×
- (i) Identify the parts 'X' and 'Y' in the figure given below: (ii) Name the yellowish coloured structures produced by the part…2025asked 3×
- Define Puberty. List any two changes seen in boys at the time of puberty. Why are testes in human males located outside the…2025asked 2×
- Name the parts marked as 'A' and 'B' in the given diagram. Write in detail the changes that take place in a flower when the…2025
- Name the method by which Amoeba and Leishmania reproduce. Write a major difference in the way they divide to produce new…2025
- When a girl is born, the ovaries already contain thousands of immature eggs. On reaching puberty, some of these start maturing.…2025asked 3×
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