Ncert – science – Class 7- Chapter 8 – Reproduction in Plants Welcome to your Ncert - science - Class 7- Chapter 8 – Reproduction in Plants 1. Reproduction in Bryophyllum takes place by its Root Stem Leaf Flower None 2. ____a____ consists of stigma, ____b____ and ovary. The ovary contains one or more ____c____. The ____d____ is formed in an ovule which fuses with the male gamete to form a _____e_____. Which of the following options best replaces a, b, c, d and e, respectively? Pistil, style, ovules, egg and zygote Pistil, filament, ovules, egg and zygote Pistil, style, ovules, gamete, embryo Stamen, filament, ovules, gamete, zygote None 3. Fungi on bread piece grow from buds fragments gametes spores None 4. Choose the pair of words which bears the same relationship between them as in the given pair of words: Eye : Potato : : __________ Leaf : Plant Stigma : Pistil Bud : Bryophyllum Bud : Flower None 5. Which of the following parts of a plant take part in sexual reproduction? FlowerSeedFruitBranchChoose the correct answer from below. (i), (ii) and (iii) (i) and (ii) (ii), (iii) and (iv) (iii) and (iv) None 6. Pollination refers to the transfer of pollen from anther to ovary. transfer of pollen from anther to ovule. transfer of male gametes from anther to stigma. transfer of pollen from anther to stigma. None 7. Seeds of drumstick and maple are carried to long distances by wind because they possess long and ridged fruits. large and hairy seeds. spiny seeds. winged seeds. None 8. Which of the following organism reproduce by budding? Bread mold Bacteria Opuntia Yeast None 9. The ‘eye’ of the potato plant is what the bud is to a flower. the bud is to Bryophyllum leaf. the root is to any plant. the anther is to stamen. None 10. Match the following PlantSeedMapleWinged seedMadarSpiny seed</ 1 - a, 2 - d, 3 - c, 4 - b 1 - d, 2 - c, 3 - b, 4 - a 1 - c, 2 - a, 3 - b, 4 - d 1 - b, 2 - a, 3 - d, 4 - c None 11. What does fusion of male and female gametes give rise to? Seed Embryo Spore Zygote None 12. Reproduction, by means of fragments, is seen in ferns fungi yeast spirogyra None 13. Lila observed that a pond with clear water was covered up with green algae within a week. By which method of reproduction did the algae spread so rapidly? Budding Fragmentation Sexual reproduction Pollination None 14. Male gametes in pollen grain reach to female gamete by Ovary tube Pollen tube Ovule tube Funicular None 15. For which of the following plants are stem cuttings used for vegetative propagation? a. Champab. Rosec. Bryophyllumd. Potato c and d a, b and d a and d a and b None 16. The ovaries of different flowers may contain only two ovules. one to many ovules. many ovules. only one ovule. None 17. A is transfer of B from the C to the D of a flower. Which of the following options best replaces A, B, C and D, respectively? Pollination, ovule, ovary, anther Fertilisation, ovule, ovary, anther Pollination, pollen, anther, stigma Fertilisation, pollen, anther, stigma None 18. Which part of the flower forms the pulpy fruit after fertilisation? Ovule Sepals Ovary None of these None 19. Which of the following statements is/are true for sexual reproduction in plants? Plants are obtained from seeds.Two plants are always essential.Fertilisation can occur only after pollination.Only insects are agents of pollination.Choose from the options given below. (i) only (i) and (iv) (i) and (iii) (ii) and (iii) None 20. Which of the following is true about unisexual flowers? a. They contain either pistil or stamen.b. They are always cross pollinated.c. They are means of asexual reproduction.d. Petunia is an example of unisexual flower. a, b and d a and c c and d a and b None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.
