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