29. In the life cycle of a fern, the stage that produces haploid spores is called:(A). Sporophyte(B). Gametophyte(C). Zygote(D). Prothallus30. Which structure in angiosperms protects the developing embryo and later forms the seedcoat?(A). Ovule(B). Ovary(C). Stigma(D). Anther31. Which of the following is an example of a Rabi crop?(A). Rice(B). Maize(C). Wheat(D). Millets32. What is the practice of rearing honeybees for obtaining honey called?(A). Horticulture(B). Apiculture(C). Sericulture(D). Pisciculture33. What is the primary function of nitrogen-fixing bacteria in agriculture?(A). Increase soil acidity(B). Fix atmospheric nitrogen into a usable form(C). Decrease soil fertility(D). Enhance water retention in soil34. Which specific method of irrigation involves the application of water drop by drop near theroot zone of each plant?(A). Sprinkler irrigation(B). Surface irrigation(C). Drip irrigation(D). Subsurface irrigation

In the life cycle of a fern, the stage that produces haploid spores is called: (A). Sporophyte - This is the correct answer. In the life cycle of a fern, the sporophyte is the diploid multicellular stage that produces haploid spores by meiosis.

Which structure in angiosperms protects the developing embryo and later forms the seed coat? (A). Ovule - This is the correct answer. The ovule in angiosperms develops into a seed after fertilization. The outer layer of the ovule forms the seed coat, which protects the developing embryo.

Which of the following is an example of a Rabi crop? (C). Wheat - This is the correct answer. Rabi crops are sown in winter and harvested in the spring. Wheat is a common example of a Rabi crop.

What is the practice of rearing honeybees for obtaining honey called? (B). Apiculture - This is the correct answer. Apiculture is the practice of keeping and maintaining bees and their hives for the production of honey.

What is the primary function of nitrogen-fixing bacteria in agriculture? (B). Fix atmospheric nitrogen into a usable form - This is the correct answer. Nitrogen-fixing bacteria convert atmospheric nitrogen into a form that plants can use for growth.

Which specific method of irrigation involves the application of water drop by drop near the root zone of each plant? (C). Drip irrigation - This is the correct answer. Drip irrigation is a type of micro-irrigation system that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants.