Ncert- science – class 7- Chapter 9 – Motion and Time 2 Welcome to your Ncert- science – class 7- Chapter 9 – Motion and Time 2 1. The 'eye' of the potato plant is what The bud is to a flower., The bud is to Bryophyllum leaf. The anther is to stamen. The root is to any plant. None 2. The process in which organisms break into pieces is called Spore formation Budding All of the above Fragmentation None 3. The mode of vegetative reproduction in which scion and stock are tied is called Grafting Tissue culture Cutting Layering None 4. What are spores? New organisms growing from leaflets. Outgrowths from parent organism. Buds formed in long chains., Tiny cells protected by thick walls to survive unfavorable conditions. None 5. Which one of the following parts of the plant when put into the soil is likely to produce a new plant? Pedicel A stem with a node Root hair Part of a flower None 6. Which of the following do not produce asexual flower? Papaya Cucumber Corn Rose None 7. Which of the following is not correct regarding sexual reproduction? Gametes are always formed. It is usually biparental. It is a slow process. It involves only mitosis. None 8. ___________ is a life process that is not essential for an individual's survival but for survival of the species. Growth Reproduction Nutrition Respiration None 9. Which one is a dicotyledonous plant? Banana Wheat Gram Sugar cane None 10. The transfer of pollens from anther to stigma of the same flower or different flower of the same plant is called: Hybridization Self-pollination Cross-pollination Cross-breeding None 11. Fertilization is Fusion of male gametes All of above. Fusion of male and female gametes Fusion of female gametes None 12. Pollination refers to the: Transfer of pollen from anther to ovary. Transfer of pollen from anther to stigma. Transfer of pollen from anther to ovule. Transfer of female gametes from anther to stigma., None 13. In which of the following modes of reproduction new plants are produced without seeds? Asexual reproduction Sexual reproduction Vegetative propagation BothAsexual reproductionand Vegetative propagation None 14. The classification of the flowers as unisexual and bisexual is on the basis of: Both A and C Presence of stamen and pistil in the flower Presence of anther and filament of plant Presence of flowers at the tip of plant None 15. Vegetative propagation refers to the formation of new plants from Stem, roots and leaves Stem, flowers and fruits Stem, roots and flowers Stem, leaves and flowers None 16. In which of the following processes water is involved in the reproduction? Budding All of the above Spore formation Fragmentation None 17. Clone are Asexually produced identical organisms Asexually produced non-identical organisms Sexually produced identical organism Sexually produced non-identical organisms None 18. The development of an offspring from any part of the body is called: All of the above Asexual reproduction Sexual reproduction Vegetative reproduction None 19. In which of the following organisms fragmentation occurs? Bacteria Spirogyra All of the above Yeast None 20. Asexual reproduction is seen in members of Kingdom. Plantae Animalia All of these Monera 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.
