Practice General science Common Questions and Answers

• Match the Column I with Column II and select the correct answer using the codes given below: Column I (Molecule) A. Proteins B. Carbohydrates C. Nucleic ac...
• Bulb is an underground condensed
• The arrangement of leaves on stems or its branches is
• Main function of leaf is
• In blood, platelets are required for
• Which element is the constituent of the chlorophyll molecule?
• Which of the following is not a purpose of transpiration?
• The rate of transpiration accelerates due to
• Muscle fatigue is due to the accumulation of
• In Egypt, ancient mummies can be found to have their arteries intact due to well-preserved
• The main thinking part of the brain is:
• Presbyopia is a visual defect caused by:
• Which one of the following is not a part of nerves?
• Which of the following pairs of vector and disease is/are correctly matched? Vector Disease Anopheles — Malaria Aedes aegypti — Chikungunya Tsetse fly...
• Study the following questions carefully and choose the right answer: The main thinking part of the brain is the _______?
• Kindly Study the following questions carefully and choose the right answer: Which of the following is/are true about the human heart? I. The heart has va...
• Kindly Study the following questions carefully and choose the right answer: Transpiration is mainly effective during _______ ?
• Kindly Study the following questions carefully and choose the right answer. Human saliva contains an enzyme called salivary amylase that breaks down star...
• Kindly Study the following questions carefully and choose the right answer. Organisms using simple food material acquired from inorganic sources in the f...
• Kindly Study the following questions carefully and choose the right answer. In plants, the carbohydrates which are not used immediately are stored in the...
• Kindly Study the following questions carefully and choose the right answer. The exchange of gases takes place in the leaves through these pores for the p...
• Kindly Study the following questions carefully and choose the right answer. Which of the following is/are true with respect to Amoeba? I. It is a multi-c...
• A myopic person has a power of 1.25 dioptre, what is the local length and nature of his lens? 
• A person rings a metallic bell near a strong concrete wall. He hears the echo after 0.3 s. if the sound moves with a speed of 340 m/s, how far is the wall ...
• The SI unit of mechanical power is: 
• Match List-I with List-II and select the correct answer using the code given below the Lists: ...
• X-rays are
• Which one of the following physical quantities is the same for molecules of all gases at a given temperature?
• Tungsten is used for the construction of filament in an electric bulb because of its 
• Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to
• Two layers of a cloth of equal thickness provide warmer covering than a single layer of cloth with double the thickness. Why? 
• A mobile phone charger is 
•  No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be 
• The position, relative size and nature of the image formed by a concave lens for an object placed at infinity are respectively 
• After rising a short distance the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a stream of...
• Before X-ray examination (coloured X-ray) of the stomach, patients are given suitable salt of barium because 
• When hard water is evaporated completely, the white solid remains in the container. It may be due to the presence of 1. Carbonates of Ca and Mg 2. Sulphate...
• Which one among the following fuels is used in gas welding? 
• Which one of the following gases is supporter of combustion?
• Iron sheet kept in moist air covered with rust. Rust is