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