Strategies for Enhancing Food Production – Green Revolution, Tissue Culture, Animal Husbandry, Apiculture Quiz - ICSE Class 12 Biology

Free practice quiz: Strategies for Enhancing Food Production – Green Revolution, Tissue Culture, Animal Husbandry, Apiculture (ICSE Class 12 Biology). 50 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This ICSE Class 12 Biology practice quiz has 50 multiple-choice questions on Strategies for Enhancing Food Production – Green Revolution, Tissue Culture, Animal Husbandry, Apiculture, and 50 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which of the following is a key characteristic of the 'Green Revolution' in agricultural practices, distinguishing it from earlier agricultural advancements?

   1. Exclusive reliance on traditional, organic farming methods.
   2. Development and widespread adoption of high-yielding varieties (HYVs) of crops, coupled with improved irrigation and fertilizer use.
   3. Emphasis on monoculture of genetically unmodified staple crops with minimal technological input.
   4. Introduction of genetically modified organisms (GMOs) as the sole driver of increased productivity.
   Show answer

   Answer: B. Development and widespread adoption of high-yielding varieties (HYVs) of crops, coupled with improved irrigation and fertilizer use.

   The Green Revolution was primarily characterized by the development and dissemination of high-yielding varieties of staple crops like wheat and rice, along with advancements in irrigation techniques, chemical fertilizers, and pesticides. While GMOs are a later development, they were not the defining feature of the initial Green Revolution.

2. The success of 'Mylta', a high-yielding variety of wheat developed during the Green Revolution, was largely attributed to its specific genetic traits. Which of the following best describes a crucial trait for a wheat variety to be considered 'high-yielding' in this context?

   1. Tall stature with long, weak straw.
   2. Photoperiod insensitivity and reduced height (dwarfing).
   3. Susceptibility to common rust diseases.
   4. Early flowering with a long grain-filling period under low light conditions.
   Show answer

   Answer: B. Photoperiod insensitivity and reduced height (dwarfing).

   The development of semi-dwarf varieties (like those incorporating the Norin 10 gene) was revolutionary. Reduced height prevented 'lodging' (stems bending over), allowing plants to allocate more resources to grain production, and photoperiod insensitivity enabled them to grow in a wider range of latitudes and seasons, contributing significantly to high yields.

3. Animal husbandry practices aim to improve the productivity and well-being of farm animals. Which of the following is a key aspect of improving the 'breed improvement' strategy in cattle farming?

   1. Increasing the number of animals through uncontrolled breeding.
   2. Selecting animals with superior genetic potential for desired traits (e.g., milk yield, meat quality).
   3. Exclusively using indigenous breeds without any cross-breeding.
   4. Reducing the use of veterinary services to cut costs.
   Show answer

   Answer: B. Selecting animals with superior genetic potential for desired traits (e.g., milk yield, meat quality).

   Breed improvement in livestock involves selective breeding, where individuals with the best genetic traits for desired characteristics are chosen for reproduction. This helps to enhance overall herd productivity and quality over generations.

4. The intensification of agriculture during the Green Revolution led to increased use of synthetic fertilizers. Which of the following is a potential negative environmental consequence of excessive nitrogen fertilizer use?

   1. Increased soil alkalinity.
   2. Eutrophication of water bodies due to nutrient runoff.
   3. Reduced atmospheric carbon dioxide levels.
   4. Enhanced microbial diversity in the soil.
   Show answer

   Answer: B. Eutrophication of water bodies due to nutrient runoff.

   Excess nitrogen, often from fertilizers, can be washed into rivers and lakes through runoff. This leads to eutrophication, where excessive algal growth depletes oxygen, harming aquatic life. Denitrification processes can also release nitrous oxide, a potent greenhouse gas.

5. Which of the following is a key characteristic of the 'Surti' buffalo breed, originating from Gujarat, India?

   1. Very high milk yield but low fat content.
   2. Distinctive 'faciella' or 'flicker' horns curving backward.
   3. Exceptional meat quality and rapid growth.
   4. Extreme heat tolerance and drought resistance.
   Show answer

   Answer: B. Distinctive 'faciella' or 'flicker' horns curving backward.

   The Surti buffalo is recognized for its medium build, distinctive sickle-shaped horns that curve backward, and good milk production with a reasonable fat content. It is a well-established breed known for its docility and adaptability.

More questions in this quiz

Answers and explanations are in the full quiz.

1. In the context of tissue culture, the process of inducing callus formation from explant is primarily achieved by manipulating the ratio of which two plant hormones?
2. Which of the following breeds of cattle is renowned for its high milk yield and is often cross-bred with indigenous breeds to improve milk production in India?
3. In apiculture, the 'queen substance' is a pheromone secreted by the queen bee that plays a critical role in regulating the behavior of the colony. What is the primary function of this queen substance?
4. The Green Revolution's success in increasing food grain production was largely concentrated in specific crops and regions. Which of the following was a major limitation or negative consequence often associated with the early phases of the Green Revolution?
5. Micropropagation, a key technique in plant tissue culture, allows for the rapid multiplication of plants. Which of the following is NOT a typical advantage of micropropagation over conventional propagation methods?
6. In poultry farming, 'broilers' and 'layers' are two distinct categories of chickens raised for different purposes. What is the primary distinguishing factor between broilers and layers?
7. The 'laying' stage in the life cycle of a honey bee is characterized by the bee's role in the colony. Which of the following describes the primary role of a laying bee?
8. A significant challenge in the Green Revolution was the increasing demand for water. Which technological advancement directly addressed this by allowing for more efficient water delivery to crops?
9. Somatic embryogenesis is a process in plant tissue culture where somatic cells develop into embryos. What is a key advantage of using somatic embryogenesis for mass propagation?
10. In plant tissue culture, explants are cultured on a nutrient medium. If an explant fails to proliferate or show growth, which of the following is the *least* likely reason?
11. Which of the following statements accurately describes the role of 'cross-breeding' in improving livestock, specifically in the context of enhancing food production?
12. In apiculture, the process of 'swarming' is a natural method of honey bee colony reproduction. What is the primary trigger for swarming?
13. The 'Green Revolution' primarily focused on improving the yield of which staple food crops?
14. Which of the following techniques in plant tissue culture is used to produce a large number of plants from a single parent plant in a relatively short period?
15. Buffaloes are important dairy animals. Which Indian breed of buffalo is known for its high milk fat content and is often referred to as the 'Bara Khetri'?
16. In the context of apiculture, what is the primary role of the 'drone' bee in a honey bee colony?
17. The 'IRRI' developed high-yielding rice varieties played a crucial role in the Green Revolution in Asia. What does IRRI stand for?
18. Cryopreservation is a technique used in plant tissue culture for long-term storage of genetic material. What is the typical temperature used for cryopreservation of plant cells or tissues?
19. What is the primary purpose of 'Queen Excluders' in beekeeping?
20. The concept of 'gene revolution' is often discussed alongside the 'Green Revolution'. How does the gene revolution differ fundamentally from the Green Revolution in terms of its primary approach to improving crops?
21. In plant tissue culture, 'cytokinins' are plant hormones that play a crucial role in cell division and differentiation. What is their primary effect when used in conjunction with auxins?
22. Which of the following dairy breeds is known for its dual-purpose utility, meaning it is efficient for both milk production and meat?
23. What is the biological significance of the pheromone known as 'Nasonov's pheromone' in honey bees?
24. A major criticism of the Green Revolution was its impact on biodiversity. Which of the following practices contributed most directly to this reduction in biodiversity?
25. Which term describes the process in plant tissue culture where a single cell or a small group of cells develops into an entire plant, bypassing the formation of a zygote?
26. In sheep farming, improving meat production often involves cross-breeding. Which of the following is a common objective when cross-breeding a native sheep breed known for wool quality with a foreign breed known for rapid growth and carcass yield?
27. The 'waggle dance' performed by a returning honey bee is a sophisticated form of communication. What information does this dance primarily convey to other bees?
28. In plant tissue culture, explants are often surface-sterilized to prevent microbial contamination. Which of the following is a common sterilizing agent used for this purpose?
29. Which of the following animal breeds is primarily known for its high milk production, characterized by low butterfat content in its milk?
30. What is the most critical factor that determines the success of a honey bee colony's overwintering, particularly in regions with harsh winters?
31. The Green Revolution led to significant increases in food production, but also raised concerns about the sustainability of intensive farming. Which of the following practices, often associated with the Green Revolution, is generally considered less sustainable in the long term?
32. Which technique in plant tissue culture involves growing plant cells or tissues in a liquid medium, where the cells are dispersed and multiply, often leading to the formation of a suspension culture?
33. In livestock breeding, 'inbreeding' refers to the mating of closely related individuals. While it can help in 'fixing' desirable traits, what is a significant risk associated with excessive inbreeding?
34. What is the term for the practice of beekeeping specifically for the pollination of crops, as opposed to solely for honey or wax production?
35. The development of dwarf varieties of wheat and rice was a cornerstone of the Green Revolution. What was the primary advantage of 'dwarfing' genes in these crops?
36. In plant tissue culture, 'somaclonal variation' refers to:
37. In apiculture, what is the typical role of the worker bee in the initial stages of its life (first few weeks)?
38. The Green Revolution significantly increased food production but also led to concerns about environmental sustainability. Which of the following is a consequence of the increased reliance on chemical pesticides during this era?
39. Which of the following is an advantage of using anther culture in plant tissue culture?
40. In dairy farming, artificial insemination (AI) is a widely used technique. What is a primary advantage of AI in cattle breeding for improving milk production?
41. Which of the following is a common method used by beekeepers to control swarming and increase honey production?
42. The Green Revolution's success was largely dependent on the availability of improved infrastructure, including irrigation. What was a major challenge related to irrigation during this period?
43. In the context of plant biotechnology, what is the primary goal of using genetically modified organisms (GMOs) for enhancing food production?
44. The 'Murrah' breed of buffalo is highly valued in India primarily for:
45. What is the primary function of the 'royal jelly' produced by worker bees?

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