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