MCQ Class 9 Science Exploration Chapter 11 Reproduction – How Life Continues Advertisement 1. Human gametes contain how many chromosomes? 46 23 92 12Question 1 of 202. Male gamete is called: Egg Ovule Sperm ZygoteQuestion 2 of 203. Female gamete is called: Sperm Egg Zygote EmbryoQuestion 3 of 204. Variation occurs due to: Asexual reproduction Sexual reproduction No reproduction Mitosis onlyQuestion 4 of 205. Flower is the reproductive organ of: Animals Plants Humans FungiQuestion 5 of 206. Sepals protect: Roots Bud Stem LeavesQuestion 6 of 207. Petals help in: Absorbing water Attracting pollinators Photosynthesis Root growthQuestion 7 of 208. Male part of flower is: Pistil Stamen Sepal PetalQuestion 8 of 209. Female part of flower is: Stamen Pistil Petal RootQuestion 9 of 2010. Pollination is transfer of: Seeds Ovules Pollen RootsQuestion 10 of 2011. Self-pollination occurs within: Different plants Same plant Different species SoilQuestion 11 of 2012. Cross-pollination occurs between: Same flower Same plant Different plants RootsQuestion 12 of 2013. Pollination agents include: Soil Wind Rocks FireQuestion 13 of 2014. Fertilisation is: Growth Fusion of gametes Movement RespirationQuestion 14 of 2015. Zygote develops into: Root Embryo Leaf StemQuestion 15 of 2016. Ovary develops into: Seed Fruit Leaf StemQuestion 16 of 2017. Ovule develops into: Root Seed Stem FlowerQuestion 17 of 2018. External fertilisation occurs in: Birds Humans Frogs MammalsQuestion 18 of 2019. Internal fertilisation occurs in: Fish Frogs Birds InsectsQuestion 19 of 2020. External fertilisation requires: Air Water Soil LightQuestion 20 of 20 Loading...
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