UP Board Class 10 How do Organisms Reproduce — practice questions
38 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 10 How do Organisms Reproduce in the app →Which of the following is the basic event of reproduction at the cellular level?Which unicellular organism reproduces by binary fission in any plane?Which organism reproduces by multiple fission?Spirogyra reproduces by which method?The ability of Hydra and Planaria to grow into a full organism from a body piece is called:In Hydra, reproduction by an outgrowth of cells at one side of the body is called:Which structure on the leaf of Bryophyllum gives rise to new plants?In tissue culture, cells from the growing tip of a plant first multiply into a:In Rhizopus, the structures that produce spores are called:A clear advantage of vegetative propagation is that the new plants:The male reproductive part of a flower is the:Pollen grains are produced inside the:The transfer of pollen from anther to stigma is called:Self-pollination occurs when pollen is transferred:Fertilisation in flowering plants occurs in the:After fertilisation, the ovule develops into the:The structure that produces sperm in the human male is the:The hormone that triggers the changes of puberty in human females is mainly:A 200 kg of vegetative tissue propagates 100 plants by cuttings. If the parent had a mutation rate of 0.01% peWhy are most multicellular animals incapable of reproducing by simple cell-by-cell division?A man whose vas deferens are cut and tied cannot father a child because:In humans, fertilisation normally takes place in the:The menstrual cycle of a normal human female lasts approximately how many days?A barrier method of contraception is the:Hormonal contraceptive pills act primarily by:Which of the following is a sexually transmitted bacterial disease?Why is sexual reproduction considered more efficient than asexual in generating variation?In an angiosperm, the haploid cell that fuses with the egg to form the zygote is the:Pollination by wind tends to produce flowers that are:The placenta in humans is best described as:After delivery, the umbilical cord between mother and baby is cut. Before this, the cord carries:Fission divides the parent cell into two equal halves, whereas multiple fission divides it into:Which of the following is NOT a method of contraception?Population control through contraception is important because uncontrolled population growth strains:In sexual reproduction, the gamete-forming cell division is:Which of the following best explains why most STDs are spread by sexual contact?Why is the male reproductive system positioned outside the abdominal cavity in a scrotum?A flower that has both stamens and pistils is called: