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Q1. The stamen is the female reproductive part of a flower. True False Details The stamen is the male reproductive part of a flower, not the female. Each stamen consists of two parts: the anther (which produces pollen grains containing male gametes) and the filament (a stalk that supports the anther). The female reproductive part

Q1. Asexual reproduction involves two parents and produces offspring that are genetically different from the parents. True False Details Asexual reproduction involves only one parent, not two. The offspring produced by asexual reproduction are genetically identical to the parent (clones) because there is no fusion of gametes or mixing of genetic material. Sexual reproduction involves

📘 Study MCQs Q1. A flower that contains both stamens and pistils in the same flower is called: A. Unisexual flower B. Bisexual flower C. Incomplete flower D. Neutral flower AnswerB. Bisexual flowerDetails CloseA bisexual flower (also called a hermaphrodite or perfect flower) contains both male reproductive organs (stamens) and female reproductive organs (pistils) within

📘 Study MCQs Q1. The plant in which new plantlets arise from buds present on the margins of leaves is: A. Potato B. Sweet potato C. Bryophyllum D. Ginger AnswerC. BryophyllumDetails CloseBryophyllum (also called Kalanchoe or “mother of thousands”) is a classic example of vegetative propagation by leaves. Along the notches or margins of its

📘 Study MCQs Q1. The process by which living organisms produce new individuals of their own kind is called: A. Excretion B. Reproduction C. Respiration D. Circulation AnswerB. ReproductionDetails CloseReproduction is a fundamental biological process through which living organisms produce offspring that are similar to themselves. It ensures the continuation of a species from one

Q1. White blood cells are more numerous than red blood cells in a healthy human body. True False Details Red blood cells are far more numerous than white blood cells. In a healthy adult, there are about 4.5 to 5.5 million red blood cells per microliter of blood, but only about 4,000 to 11,000 white

Q1. Diffusion is sufficient for the transport of gases and wastes in unicellular organisms like Amoeba. True False Details Unicellular organisms have a very large surface area to volume ratio, meaning every part of the cell is close to the cell membrane. Oxygen, carbon dioxide, and wastes can move directly across the cell membrane by

📘 Study MCQs Q1. The rhythmic contraction and relaxation of the heart is called: A. Pulse B. Heartbeat C. Blood pressure D. Circulation AnswerB. HeartbeatDetails CloseThe heartbeat is the complete sequence of contraction (systole) and relaxation (diastole) of the heart chambers. Each heartbeat pumps blood into the arteries. An adult human heart beats about 60

📘 Study MCQs Q1. The blood vessels that carry blood away from the heart are called: A. Veins B. Capillaries C. Arteries D. Venules AnswerC. ArteriesDetails CloseArteries are thick-walled blood vessels that carry oxygen-rich blood away from the heart to various parts of the body. They have thick, muscular, and elastic walls because blood flows