General Science MCQs and Answers: General Science are very important for OPSC, OSSC, OSSSC & Other State Exams. Aspirants who are willing to apply for the various Government exams in 2022 must go through the topics of General Science for competitive exams, as General Science is a key part of the syllabus.
Q1. Birds which swim in water have –
(a) Webbed feet
(b) Broad wings
(c) Long beaks
(d) Toes with claws
Q2.Which one of the following diseases is caused due to presence of excess arsenic in water?
(a) Alzheimer’s disease
(b) Parkinson’s disease
(c) Skin cancer
(d) Indigestion
Q3. Animals living in the tree trunks are known as –
(a) Arboreal
(b) Volant
(c) Amphibious
(d) Aquatics
Q4. Which of the following is correct about cold-blooded animals?
(a) Their blood remains cold all the time
(b) Their body temperature changes in accordance with atmosphere
(c) Their body temperature remains constant all the time
(d) They kill all the animals they came across.
Q5. Which of the following animals has the longest life span?
(a) Elephant
(b) Crocodile
(c) Dog
(d) Tortoise
Q6. Food is stored in plants in the form which carbohydrate?
(a) Starch
(b) Glucose
(c) Fructose
(d) Cellulose
Q7. Proteins are made up of –
(a) Sugars
(b) Amino acids
(c) Fatty acids
(d) Nucleic acid
Q8. Which one of the following animals is sanguinivorous?
(a) Fruitfly
(b) Mosquito
(c) Housefly
(d) Snail
Q9. Which one of the following organs converts glycogen into glucose and purifies the blood?
(a) Liver
(b) Kidney
(c) Lungs
(d) Spleen
Q10. The Saliva helps in the digestion of –
(a) Proteins
(b) Starch
(c) Fibres
(d) Fats
Q11. Medulla oblongata is a part of which of the following?
(a) Heart
(b) Brain
(c) Lungs
(d) Stomach
Q12. Scurvy (bleeding of gums) is caused by deficiency of which vitamin?
(a) Vitamin K
(b) Vitamin B2
(c) Vitamin C
(d) Vitamin A
Q13. Achrassapote is the scientific name of
(a) Custard Apple
(b) Gulmohar
(c) Tamarind
(d) Chiku
Q14. Prawn belongs to the phylum
(a) Arthropoda
(b) Cnidaria
(c) Echinodermata
(d) Chordata
Q15. Plant cell wall is made up of –
(a) Cellulose
(b) Glucose
(c) Sucrose
(d) Fructose
Solutions
S1.Ans.(a)
Sol.The primary use for webbed feet is paddling through water,as the bird pulls its foot backwards through the water, the toes spread apart, causing the webs to spread out and help bird to swim.
S2.Ans.(c)
Sol.Skin cancer is caused due to presence of excess arsenic in water.
S3.Ans.(a)
Sol. Arboreal is defined as something having the evolutionary characteristics of animals which allow them to live or maneuver through trees. An example of an arboreal part of the chimpanzee’s anatomy is its long arms.
S4.Ans.(b)
Sol.Cold-blooded creatures take on the temperature of their surroundings. They are hot when their environment is hot and cold when their environment is cold. In hot environments, cold-blooded animals can have blood that is much warmer than warm-blooded animals so thier body temperature changes in accordance to temperature of atmosphere.
S5.Ans.(d)
Sol.Tortoise has longest span of life.
S6.Ans.(a)
Sol.The storage form of glucose in plants is starch,plants use light energy to produce glucose from carbon dioxide. The glucose is used to make cellulose fibers, the structural component of the plant, or is stored in the form of starch granules
S7.Ans.(b)
Sol.Proteins are made up of smaller building blocks called amino acids, joined together in chains.
S8.Ans.(b)
Sol.The animals which live on sucking blood from others organism body is called sanguinivorous. Mosquito is sanguinivorous.
S9.Ans.(a)
Sol.Liver converts glycogen into glucose and purifies the blood.
S10.Ans.(b)
Sol.Saliva contains the enzyme amylase, also called ptyalin, which is capable of breaking down starch into simpler sugars such as maltose and dextrin that can be further broken down in the small intestine.
S11. Ans.(b)
Sol. The medulla oblongata helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing. This part of the brain is a center for respiration and circulation.
S12. Ans.(c)
Sol. Scurvy is caused due to deficiency of Vitamin C.
S13. Ans.(d)
Sol. Achrassapote is the scientific name of Chiku.
S14. Ans.(a)
Sol. Prawn belongs to the phylum Arthropoda
S15. Ans.(a)
Sol. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure.
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