MCQs Zoology-30 Posted on 2025-11-152025-12-03Author admin 1 Table of Contents Toggle MCQs Zoology-30MCQs Zoology-30 MCQs Zoology-30 1. Chiasmata are first visible in which substage? Leptotene Diakinesis Diplotene Pachytene 2. The physical exchange of chromosome segments is called ————– Mutation Independent assortment Segregation Crossing over 3. Land degradation and erosion are fundamentally associated to ____________________ Natural resource management Water availability Deforestation Drought 4. The enzyme responsible for crossing over (recombination) is ————- DNA ligase Recombination endonuclease Helicase DNA polymerase 5. The omasum, a compartment of the ruminant stomach, is primarily responsible for ———————- Water and volatile fatty acid absorption Storage and regulation of digesta flow Enzymatic digestion of proteins and carbohydrates Microbial fermentation of cellulose 6. The small intestine is segmented into the duodenum, jejunum, and ileum, in which———— All parts perform equal functions Duodenum is primarily absorptive Jejunum is mainly secretory Ileum absorbs bile salts and vitamin B12 7. Intestinal motility is primarily coordinated by ———- Sympathetic inhibition Voluntary control Hormonal control alone Parasympathetic stimulation 8. Particulate matter (PM), in the atmosphere, can consist of__________ Carbon particles Vehicular emissions None of these Dust, ash, and salt particles 9. In herbivores, the cecum is a specialized organ, particularly important for ———– The primary absorption of simple sugars like glucose The microbial fermentation of cellulose into volatile fatty acids The enzymatic breakdown of dietary proteins The emulsification and absorption of lipids 10. ————— is a community of different species that interact with each other and their environment? None of these Ecosystem Population Biome Loading … MCQs Zoology-30
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