1. A unicellular organism.a. Paramecium b. hydra c. mushroom d. algae2. The longest cell in our body .a. Ovum b. sperm c. neuron d. nephron3. Colourful plastids.a. Centrosome b. chromoplasts c. vacuoles d. lysosomes4. Protein factory of the cell .a. ER b. golgi bodies c. lysosomes d. ribosomes5. GI pipes are made usinga. Lead b. Chromium c. Zinc d. Aluminium6. Polishes are made by usinga. lubricating oil b. diesel oil c. fuel oil d. residue

Which of the following is not present in all eukaryotic cells?Group of answer choicesplasma membraneribosomecell wallendoplasmic reticulumGolgi bodies

2.What is the scientific name for a sex cell?

Which of the following cells is considered the longest in the human body?Nerve cell (Neuron)Muscle cell (Myocyte)Red blood cell (Erythrocyte)Sperm cell

Which of the following cell organelles is not present in animal cells?AlysosomeBcell wallCsmooth endoplasmic reticulumDnucleus

cell surface membrane• nucleus, nuclear envelope and nucleolus• rough endoplasmic reticulum• smooth endoplasmic reticulum• Golgi body (Golgi apparatus or Golgi complex)• mitochondria (including the presence of small circular DNA)• ribosomes (80S in the cytoplasm and 70S in chloroplastsand mitochondria)• lysosomes• centrioles and microtubules• cilia• microvilli• chloroplasts (including the presence of small circular DNA)• cell wall• plasmodesmata• large permanent vacuole and tonoplast of plant cells2 describe and interpret photomicrographs, electron micrographsand drawings of typical plant and animal cells3 compare the structure of typical plant and animal cells4 state that cells use ATP from respiration for energy-requiringprocesses5 outline key structural features of a prokaryotic cell as found in atypical bacterium, including:• unicellular• generally 1–5 µm diameter• peptidoglycan cell walls• circular DNA• 70S ribosomes• absence of organelles surrounded by double membranes6 compare the structure of a prokaryotic cell as found in a typicalbacterium with the structures of typical eukaryotic cells inplants and animals7 state that all viruses are non-cellular structures with a nucleicacid core (either DNA or RNA) and a capsid made of protein,and that some viruses have an outer envelope made ofphospholipids