Top 100 Important Everyday Science Mcqs Set-6 1- Which of the following birds has webbed feet? A. HenB. DuckC. PeacockD. Pigeon View Answer Answer : B. Duck Description 2- Most fish do not sink in water because of the presence of: 1. Swim bladder 2. Air bladder 3. Air sacs 4. Air in spongy bones A. 1 and 2B. 2 and 3C. 3 and 4 D. 1, 2, 3 and 4 View Answer Answer : A. 1 and 2 Description 3- If the fins are damaged, which of the following activities would suffer? A. Locomotion and excretion B. Locomotion and respiration C. Speed and changing directionD. Speed and respiration View Answer Answer : C. Speed and changing direction Description 4- The unicellular algae which is used in space programme to regulate the supply of oxygen is: A. CodillumB. ChlorellaC. SpirogyraD. Chlamydomonas View Answer Answer : B. Chlorella Description 5- Which of the following enzymes secreted by pancreas helps predatory mammals to digest the blood they drink from their prey? A. PepsinB. FibrinC. PtyalinD. Trypsin View Answer Answer : D. Trypsin Description 6- Mycorrhiza is a symbiotic association between: A. Algae and roots of orchids B. Protozoa and roots of higher plants C. Bacteria and roots of higher plants D. Fungi and roots of higher plants View Answer Answer : D. Fungi and roots of higher plants Description 7- Which of the following is a short tailed rodent used in scientific experiment? A. RatB. Guinea pigC. RabbitD. Squirrel View Answer Answer : B. Guinea pig Description 8- The insect not useful to man is: A. Lac insectB. Rice weevilC. SilkwormD. Honey bee View Answer Answer : B. Rice weevil Description 9- Which of the following is not a rabid animal? A. DeerB. FoxC. CatD. Dog View Answer Answer : A. Deer Description 10- Snake bite first affects the: A. LungsB. Nervous systemC. BrainD. Blood circulation View Answer Answer : B. Nervous system Description 11- Which of the following is not a breed of dog? A. RottweilerB. Plymouth RockC. Bull Mastiff D. Springer Spaniel View Answer Answer : B. Plymouth Rock Description 12- What is a sponge? A. An animalB. A plantC. A fungusD. A fossil View Answer Answer : A. An animal Description 13- Which of the following is a hermaphrodite (bisexual)? A. MosquitoB. HookwormC. Bed bug D. Earthworm View Answer Answer : D. Earthworm Description 14- The greatest value of bees to mankind is in: A. Supply of food for birds B. Storing honey for man’s use C. Ensuring pollination of certain crop plantsD. Furnishing beeswax needed in certain specialized industries View Answer Answer : C. Ensuring pollination of certain crop plants Description 15- Which of the following animals has the longest life span? A. DogB. TortoiseC. CrocodileD. Elephant View Answer Answer : B. Tortoise Description 16- One of the characters that distinguishes frog from a toad is: A. Water skinB. TongueC. TailD. External ear View Answer Answer : D. External ear Description 17- Which of the following is a renewable source of energy? A. CoalB. Natural GasC. Solar EnergyD. Petroleum View Answer Answer : C. Solar Energy Description 18- The only snake that builds a nest is: A. KraitB. King cobraC. Chain viper D. Saw-scaled View Answer Answer : B. King cobra Description 19- Why do migratory birds go back to their earlier habitat in spring? Because of: A. Scarcity of food in the regions to which they have migrated B. Weather becoming too hot in the regions C. Breeding instinct with change in climate and they breed only in their original habitatD. Hunting seasons commencing in spring View Answer Answer : C. Breeding instinct with change in climate and they breed only in their original habitat Description 20- Which of the following are fed to cattle? 1. Sugarcane 2. Sugarcane leaves 3. Sugarcane bagasse 4. Sugarcane jaggery A. 1 and 3 B. 2 and 3C. 1, 2 and 3D. 1, 2, 3 and 4 View Answer Answer : C. 1, 2 and 3 Description 1 2 3 4 5
