🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

5 out of 2250 parts of earth is sulphur, what is the percentage of sulphur in earth?Answer: 2/9 Which part of human body is most affected by Hepatitis virus?Answer: Liver Major form of carbohydrates in plant seeds are:Answer: Starch During hermetic storage:Answer: Both A & B The enzyme which is already present in starchy endosperm and needs activation is:Answer: β-Amylase 60-95% assimilates are:Answer: Nitrogen --------- is required as cofactor for more than 40 enzymes:Answer: K Nitrogen is taken by the plants in the form ofAnswer: Nitrate The internal source of CO₂ in C₄ pathway isAnswer: Mallic acid Murate of potash isAnswer: KCl The practice of covering the soil with crop residue is calledAnswer: Mulching Water use efficiency isAnswer: Yield/ET Hard seeds are those which have seed coat impervious toAnswer: Water and oxygen Which of the following crop has hypogeal mode of germination.Answer: Chickpea Which of the following enzyme is not involved in the process of germinationAnswer: Lipase Temperature ______________ when we move away from equator.Answer: Decreases HNO₃, which is brought to earth in rains, causes soil pH to ______________.Answer: Decrease ______________ has role in chlorophyll synthesis, leaf expansion and in growth of plants.Answer: Light The nutrient which is mostly influenced by adsorption isAnswer: Potassium Leguminous crops requireAnswer: Both B & C In barani areas or where there is water shortage which form of nitrogen will give best resultsAnswer: Ammonium nitrate Dumbi sitti problem in wheat can be minimized by growing ____________ as an alternate crop.Answer: Berseem Water use efficiency (WUE) can be increased through_________ tillage.Answer: Mulch When supply of a commodity decreases, the price __________Answer: Increases Lime, lemon juice, and pickles are __________ foodsAnswer: High acid Chemically or biochemically, enzymes are primarily __________ in natureAnswer: Protein In dairy industry, __________ bacteria are most often used to convert milk sugar into lactic acidAnswer: Both A and B Swelling of udder in cow is common symptom of __________ diseaseAnswer: Mastitis Abnormal proliferation of stem due to some external stimulus is called __________Answer: Both A and B Bacteria that get foods from dead organic matter are known as __________Answer: Saprophytes