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