Ncert – science – Class 7- Chapter 8 – Reproduction in Plants Welcome to your Ncert - science - Class 7- Chapter 8 – Reproduction in Plants 1. ____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, gamete, embryo Stamen, filament, ovules, gamete, zygote Pistil, filament, ovules, egg and zygote Pistil, style, ovules, egg and zygote None 2. Fungi on bread piece grow from buds spores gametes fragments None 3. For which of the following plants are stem cuttings used for vegetative propagation? a. Champab. Rosec. Bryophyllumd. Potato a and d c and d a and b a, b and d 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 Bud : Bryophyllum Bud : Flower Stigma : Pistil None 5. The ovaries of different flowers may contain only one ovule. many ovules. one to many ovules. only two ovules. None 6. The ‘eye’ of the potato plant is what the root is to any plant. the bud is to Bryophyllum leaf. the bud is to a flower. the anther is to stamen. None 7. Which part of the flower forms the pulpy fruit after fertilisation? Ovary Ovule None of these Sepals None 8. Reproduction in Bryophyllum takes place by its Leaf Root Stem Flower None 9. 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. c and d a, b and d a and c a and b None 10. 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? Sexual reproduction Pollination Fragmentation Budding None 11. Which of the following parts of a plant take part in sexual reproduction? FlowerSeedFruitBranchChoose the correct answer from below. (iii) and (iv) (i) and (ii) (i), (ii) and (iii) (ii), (iii) and (iv) None 12. Seeds of drumstick and maple are carried to long distances by wind because they possess winged seeds. large and hairy seeds. long and ridged fruits. spiny seeds. None 13. Male gametes in pollen grain reach to female gamete by Ovary tube Ovule tube Funicular Pollen tube None 14. Pollination refers to the transfer of male gametes from anther to stigma. transfer of pollen from anther to ovule. transfer of pollen from anther to stigma. transfer of pollen from anther to ovary. None 15. What does fusion of male and female gametes give rise to? Seed Zygote Embryo Spore None 16. Match the following PlantSeedMapleWinged seedMadarSpiny seed</ 1 - b, 2 - a, 3 - d, 4 - c 1 - d, 2 - c, 3 - b, 4 - a 1 - c, 2 - a, 3 - b, 4 - d 1 - a, 2 - d, 3 - c, 4 - b None 17. Which of the following organism reproduce by budding? Yeast Bread mold Opuntia Bacteria None 18. 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 19. Reproduction, by means of fragments, is seen in ferns fungi spirogyra yeast None 20. 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) and (iii) (i) only (i) and (iv) (ii) and (iii) 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.
