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