Natural Science Quiz Questions And Answers

Natural Science Quiz Questions And Answers These Multiple Choice Quiz Questions (MCQ’s) will test your general knowledge about both science and nature with relevant answers and brief explanations.

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#1. Pea plant is a/an?

Pea, (Pisum sativum), also called garden pea, herbaceous annual plant in the family Fabaceae, grown virtually worldwide for its edible seeds. The plants are fairly easy to grow, and the seeds are a good source of protein and dietary fibre.

#2. Natural rubber plant is also known as?

Natural rubberalso called by other names of India rubberlatex, Amazonian rubber, caucho or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds, plus water.

#3. The largest flower in the world is ?

The flower with the world’s largest bloom is the Rafflesia arnoldii.

#4. Test prescribed for AIDS?

Tests for HIV and AIDS. The primary tests for diagnosing HIV and AIDs include: ELISA Test ELISA, which stands for enzyme-linked immunosorbent assay, is used to detect HIV infection.

#5. Scurvy disease is caused by the shortage of?

Scurvy is a disease resulting from a lack of vitamin C (ascorbic acid).

#6. Which of the following vitamins is essential for proper bone and teeth formation?

Vitamin D is necessary for strong bones and muscles. Without Vitamin D, our bodies cannot effectively absorb calcium, which is essential to good bone health. Children who lack Vitamin D develop the condition called rickets, which causes bone weakness, bowed legs, and other skeletal deformities, such as stooped posture.

#7. Diabetes is caused due to the malfunctioning of?

The pancreas secretes insulin, which is a hormone that regulates blood sugar levels. If the pancreas is malfunctioning, the amount of insulin is wrong, the level of sugar is wrong, and bad things happen – this is diabetes.

#8. Which of the following disease is sexually transmitted?

The virus can be transmitted through contact with infected blood, semen or vaginal fluids.

Within a few weeks of HIV infection, flu-like symptoms such as fever, sore throat and fatigue can occur. Then the disease is usually asymptomatic until it progresses to AIDS. AIDS symptoms include weight loss, fever or night sweats, fatigue and recurrent infections.

#9. Deficiency of iron in diet causes?

In women of childbearing age, the most common cause of iron deficiency anemia is a loss of iron in the blood due to heavy menstruation or pregnancy. A poor diet or certain intestinal diseases that affect how the body absorbs iron can also cause iron deficiency anemia.

#10. Which vitamin is provided by sunlight to the body?

Vitamin D: The “sunshine” vitamin.

#11. Dialysis is used when a patient has serious trouble with?

#12. Vitamin B – complex represents a group of how many vitamins?

In general, dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamin supplements are referred to by the specific number or name of each vitaminB1 = thiamine, B2 = riboflavin, B3 = niacin, etc.

#13. Glucose syrup is made from?

Glucose is a sugar. Maize (corn) is commonly used as the source of the starch in the US, in which case the syrup is called “corn syrup“, but glucose syrup is also made from potatoes and wheat, and less often from barley, rice and cassava.

#14. Which of following contains maximum quantity of carbohydrates?

Among all the above-mentioned options, the maximum content of carbohydrates is present in rice only. In 100 gm of rice, there is 28 gm of carbohydrate and the amount of carbohydrates present in remaining other items is less.

#15. Cow milk is rich source of?

It provides potassium, B12, calcium and vitamin D, which are lacking in many diets ( 4 ). Milk is also a good source of vitamin A, magnesium, zinc and thiamine (B1).

#16. Dengue fever is caused by?

Dengue fever is caused by any one of four types of dengue viruses spread by mosquitoes that thrive in and near human lodgings. When a mosquito bites a person infected with a dengue virus, the virus enters the mosquito.

#17. Which of following is not a cereal?

A small grain crop following mustard in the rotation will usually yield more than when following continuous small grain. Therefore, crops from this group should be avoided in the same rotation as mustardCereal grains are not very susceptible to the pest and disease problems of mustard.

#18. Cotton fiber is rooted from?

Cotton root and the cotton plant are known as Gossypium herbaceum. Cotton is a member of the mallow or Malvaceae family. The plant was cultivated to produce cotton fiber for clothing. Cotton root bark, the inner bark, and cotton seeds are all used as herbal remedies.

#19. Which of following is a mixed fertilizer?

NPK is a mixed fertilizer as it contains nitrogen, phosphorus, potassium. all these elements are highly essential for plant’s growth and development.

#20. Stem cutting are commonly used for re -growing?

Stem cuttings is the process of cutting of stem and cut part is used to propagate sugarcane and rose. Each set contains one or more buds. A cutting is a vegetative plant part which is severed from the parent plant in order to regenerate itself, thereby forming a whole new plant.

#21. Which of following chemicals is responsible for the depletion of ozone layer?

Chlorofluorocarbons (CFCs) and other halogenated ozone-depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).

#22. Light from the sun reaches the earth approximately in

Time taken by light to reach the earth from the sun is,

#23. In a food chain, the third trophic level is always occupied by

The living components of an ecosystem are arranged in a hierarchical order with respect to food dependency. In a food chain, the organisms present in first trophic level are producers which synthesise food for themselves as well as all the other organisms.

At the second trophic level, are present herbivores which consume producers and at the third trophic level are present carnivores which consume herbivores for their nutrition supply. Thus, the correct answer is option A.

#24. Biodegradable wastes can usually be converted in to useful substances with the help of?

Biodegradable wastes can usually be converted into useful substances with the help of. Bacteria. Nuclear proteins. Radioactive substances.

#25. The maximum fixation of solar energy is done by?

The maximum 20% of the input of solar energy falling on leaves is converted into chemical energy by green plants.

#26. Which of the following is a water borne disease?

dangerous diseases like cholera and typhoid fever.

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