General Science Questions (MCQs) for Competitive Examinations
General Science Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App
1. Leptospirosis is a disease caused by ____:
[A] Fungus
[B] Protozoa
[C] Virus
[D] Bacteria
Show Answer
Correct Answer: D [Bacteria]
Notes:
Leptospirosis is a bacterial disease caused by corkscrew-shaped bacteria called Leptospira. Signs and symptoms can range from none to mild such as headaches, muscle pains, and fevers; to severe with bleeding from the lungs or meningitis. If the infection causes the person to turn yellow, have kidney failure and bleeding, it is then known as Weil’s disease.
2. In which of the following class are the pulse producing plants kept?
[A] Liliaceae
[B] Solanaceae
[C] Malvaceae
[D] Leguminosae
Show Answer
Correct Answer: D [Leguminosae]
Notes:
Pulses are part of the legume family, but the term “pulse” refers only to the dried seed. Dried peas, edible beans, lentils and chickpeas are the most common varieties of pulses. The term “legume” refers to the plants whose fruit is enclosed in a pod. Other well-known legumes include alfalfa, clover, fresh peas, lupins, mesquite, soy and peanuts.
3. In which of the following month festival of forests is celebrated in India?
[A] May
[B] June
[C] July
[D] August
Show Answer
Correct Answer: C [July]
Notes:
Van Mahotsav was started in 1950 by K. M. Munshi, the then Union Minster for Agriculture and Food to create enthusiasm among masses for forest conservation and planting trees. It is a week-long festival is celebrated in July on different days in different parts of India. The festival aims at increasing the green cover of India.
4. What is commonly known as white plague?
[A] Typhoid
[B] Malaria
[C] Tuberculosis
[D] Plague
Show Answer
Correct Answer: C [Tuberculosis]
Notes:
Tuberculosis caused by Mycobacterium tuberculie which primarily affects lungs although can affect other body too while early 19th century was called ‘white plague’ because of the large number of the people dying of its infection.
5. Which of the following is an endangered species?
[A] Gangetic dolphin
[B] Blue sheep
[C] Black buck
[D] Mithun
Show Answer
Correct Answer: B [Blue sheep]
Notes:
According to the Red list of 2012, Ganges River Dolphin is one of critically endangered species in India. Endangered species in India comprise large varieties of rare species of wild animals, aquatic animals and insects.
6. To keep warm, polar bears have a layer of ____ under their skin:
[A] Muscle
[B] Hair
[C] Fat
[D] Cartilage
Show Answer
Correct Answer: C [Fat]
Notes:
Polar bears are supremely adapted to their environment – they have a number of traits that help them to cope with snow, ice, and below-freezing temperatures. They have a layer of fat that can be four inches (10 cm) thick. Although their fur is the primary source of insulation, the fat helps keep heat in as well.
7. Entomology is the study of ____:
[A] Insects
[B] Birds
[C] Fossils
[D] Fungi
Show Answer
Correct Answer: A [Insects]
Notes:
Entomology, branch of anthropology and study of zoology, deals with the scientific study of insects. The Greek word entomon, meaning “notched,” refers to the segmented body plan of the insect. The zoological categories of genetics, taxonomy, morphology, physiology, behaviour, and ecology are included in this field of study.
8. Which of the following creatures is oviparous?
[A] Frog
[B] Rabbit
[C] Mouse
[D] Squirrel
Show Answer
Correct Answer: A [Frog]
Notes:
Oviparous is a zoological term that refers to animals that lay eggs which then hatch externally. Oviparous animals may fertilize their eggs either externally or internally. Frogs are oviparous since they lay eggs, which then develop outside of the mother. Ovoviviparous animals are relatively uncommon, sharks are most well-known.
9. Smooth muscles are likely to be found in ____:
[A] Muscles of arms
[B] Heart
[C] Stomach
[D] Muscles of legs
Show Answer
Correct Answer: A [Muscles of arms]
Notes:
The term smooth muscle refers to a muscle of the human body that is part of a involuntary muscle group. The walls of hollow organs are the primary place that smooth muscles can be found. Some of those locations include: Walls of blood vessels, walls of stomach, intestines, large (aorta) and small arteries and veins, urinary bladder, uterus, male and female reproductive tracts, respiratory tract, etc.
10. The thin layer of living cells just inside the bark of a tree is called ____:
[A] Pith
[B] Crown
[C] Xylem
[D] Cambium
Show Answer
Correct Answer: D [Cambium]
Notes:
The thin layer of living cells just inside the bark is called the cambium. It is found in the area between xylem and phloem. It forms parallel rows of cells, which result in secondary tissues. It is the part of the tree that makes new cells, allowing the trees to grow wider each year.