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Nutrition is the process by which organisms obtain and utilize food for growth, energy, and maintaining health, involving the intake of essential nutrients. MCQs of Biology 1st year Chapter 12 A mammalian herbivore has: Flatter teeth than a carnivore Lack of chlorophyll results in: Chlorosis Most vitamins function as: Catalyst Chlorophyll contains: Magnesium The structure … Read more
Bioenergetics is the study of energy flow and transformation within living organisms, focusing on processes like cellular respiration and photosynthesis. 1st year Biology Chapter 11 Notes The mechanism for ATP synthesis is: Chemiosmosis When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and: Ethyl alcohol Co-enzyme Q is in turn … Read more
Kingdom Animalia includes multicellular, eukaryotic organisms that are primarily heterotrophic, diverse in form and behavior, and capable of movement at some life stage. 1st year Biology Notes Chapter 10 Which of the following is not included in grade Bilateria: Coelenterates Animals that have their body cavity filled with parenchyma are called: Acoelomates Which of the … Read more
Kingdom Plantae includes all plants, from small mosses to towering trees, characterized by their ability to photosynthesize, producing energy from sunlight. 1st year Biology Chapter 9 Notes …… are highly evolved of all the plants on earth: Angiosperms Gametophyte in bryophytes is: Haploid Pteropsida is divided into …… classes: 3 Embryo-sac in angiosperms in also … Read more
Fungi are a diverse group of organisms, including molds, yeasts, and mushrooms, that play essential roles in decomposition and symbiosis, distinct from plants, animals, and bacteria. 1st year Biology Chapter 8 Notes Which of the following cells/structures are associated with asexual reproduction in fungi: Conidia Fungi resemble animals because they are: Heterotrophs The absorptive nutrition … Read more
The kingdom Protista (Protoctista) consists of diverse, mostly single-celled organisms, including algae, protozoa, and slime molds, that do not fit into the other kingdoms of life. 1st year Biology Chapter 7 Notes These are uniccellular organisms with a flexible outer covering: Ciliates Oomycetes show close relation with fungi and their cell wall contains: Cellulose Which … Read more
Kingdom Prokaryotae includes single-celled organisms without a nucleus, such as bacteria and archaea. These microorganisms play key roles in ecosystems, from nutrient cycling to disease. MCQs OF Biology 1st year Chapter 6 Greater pathogenicity to bacteria and protection against phagocytosis is provided by: Slime The major locomotory structures in bacteria are: Flagella Which one of … Read more
The variety of life refers to the diverse range of organisms on Earth, including different species, ecosystems, and genetic variations, which contribute to the planet’s biodiversity and ecological balance. 1st year Biology Chapter 5 MCQs Five kingdom system of classification proposed by Margulis and Schwartz is not based on: Genetics In the lytic cycle of … Read more
The cell is the basic unit of life, consisting of various structures like the nucleus, mitochondria, and cell membrane. It carries out essential functions necessary for growth, reproduction, and survival. 1st year Biology Chapter 4 MCQs Detoxification of harmful drugs is the function of: SER Lysosomal sacs are rich in: Acid phosphatase and hydrolytic enzyme … Read more
Enzymes are biological catalysts that speed up chemical reactions in living organisms. They are essential for processes such as digestion, metabolism, and cellular function. MCQs OF Biology 1st year Chapter 3 Prosthetic group is: Covalenty bonded non-protein part of an enzyme The rate of reaction of enzyme directly depends upon: Amount of enzyme present at … Read more