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 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 2. The mode of vegetative reproduction in which scion and stock are tied is called Layering Cutting Grafting Tissue culture None 3. Vegetative propagation refers to the formation of new plants from Stem, roots and flowers Stem, flowers and fruits Stem, roots and leaves Stem, leaves and flowers None 4. Fertilization is Fusion of male gametes Fusion of female gametes Fusion of male and female gametes All of above. None 5. The development of an offspring from any part of the body is called: Asexual reproduction Vegetative reproduction All of the above Sexual reproduction None 6. 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 7. Pollination refers to the: Transfer of female gametes from anther to stigma., Transfer of pollen from anther to stigma. Transfer of pollen from anther to ovary. Transfer of pollen from anther to ovule. None 8. Which one of the following parts of the plant when put into the soil is likely to produce a new plant? Part of a flower A stem with a node Root hair Pedicel None 9. Which of the following is not correct regarding sexual reproduction? It involves only mitosis. Gametes are always formed. It is usually biparental. It is a slow process. None 10. 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 anther and filament of plant Presence of stamen and pistil in the flower None 11. In which of the following modes of reproduction new plants are produced without seeds? BothAsexual reproductionand Vegetative propagation Asexual reproduction Sexual reproduction Vegetative propagation None 12. Asexual reproduction is seen in members of Kingdom. Animalia Monera All of these Plantae None 13. The process in which organisms break into pieces is called Spore formation All of the above Fragmentation Budding None 14. In which of the following processes water is involved in the reproduction? Fragmentation All of the above Spore formation Budding None 15. In which of the following organisms fragmentation occurs? Bacteria Yeast Spirogyra All of the above None 16. Which one is a dicotyledonous plant? Wheat Gram Sugar cane Banana None 17. The 'eye' of the potato plant is what The bud is to a flower., The bud is to Bryophyllum leaf. The root is to any plant. The anther is to stamen. None 18. Clone are Sexually produced non-identical organisms Asexually produced identical organisms Asexually produced non-identical organisms Sexually produced identical organism None 19. ___________ is a life process that is not essential for an individual's survival but for survival of the species. Reproduction Growth Respiration Nutrition None 20. Which of the following do not produce asexual flower? Cucumber Rose Papaya Corn 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.
