Ncert- science – class 7- Chapter 9 – Motion and Time 2 Welcome to your Ncert- science – class 7- Chapter 9 – Motion and Time 2 1. Fertilization is All of above. Fusion of male gametes Fusion of female gametes Fusion of male and female gametes None 2. Which one is a dicotyledonous plant? Banana Gram Wheat Sugar cane None 3. 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 4. In which of the following processes water is involved in the reproduction? Spore formation Fragmentation All of the above Budding None 5. ___________ is a life process that is not essential for an individual's survival but for survival of the species. Respiration Reproduction Growth Nutrition None 6. The development of an offspring from any part of the body is called: Sexual reproduction Vegetative reproduction Asexual reproduction All of the above None 7. Which of the following is not correct regarding sexual reproduction? Gametes are always formed. It is a slow process. It is usually biparental. It involves only mitosis. None 8. Clone are Sexually produced identical organism Asexually produced non-identical organisms Asexually produced identical organisms Sexually produced non-identical organisms None 9. What are spores? Outgrowths from parent organism. New organisms growing from leaflets. Buds formed in long chains., Tiny cells protected by thick walls to survive unfavorable conditions. None 10. 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 Pedicel Root hair A stem with a node None 11. Which of the following do not produce asexual flower? Papaya Rose Corn Cucumber None 12. The process in which organisms break into pieces is called Spore formation All of the above Budding Fragmentation None 13. Pollination refers to the: Transfer of pollen from anther to stigma. Transfer of pollen from anther to ovule. Transfer of female gametes from anther to stigma., Transfer of pollen from anther to ovary. None 14. Vegetative propagation refers to the formation of new plants from Stem, roots and flowers Stem, flowers and fruits Stem, leaves and flowers Stem, roots and leaves None 15. The 'eye' of the potato plant is what The bud is to Bryophyllum leaf. The root is to any plant. The bud is to a flower., The anther is to stamen. None 16. The transfer of pollens from anther to stigma of the same flower or different flower of the same plant is called: Self-pollination Cross-breeding Cross-pollination Hybridization None 17. The mode of vegetative reproduction in which scion and stock are tied is called Layering Grafting Tissue culture Cutting None 18. In which of the following organisms fragmentation occurs? Spirogyra Yeast All of the above Bacteria None 19. The classification of the flowers as unisexual and bisexual is on the basis of: Both A and C Presence of anther and filament of plant Presence of stamen and pistil in the flower Presence of flowers at the tip of plant None 20. Asexual reproduction is seen in members of Kingdom. Animalia Plantae 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.
