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
31. Capra Hircus is the scientific name of ____:
[A] Sheep
[B] Cow
[C] Horse
[D] Goat
Show Answer
Correct Answer: D [Goat]
Notes:
Capra Hircus is the scientific name of domestic goat or simply goat. It is a subspecies of C. aegagrus domesticated from the wild goat of southwest Asia and Eastern Europe. The goat is a member of the animal family Bovidae and is closely related to the sheep; both are placed in the goat-antelope subfamily Caprinae.
32. Taenia (Tapeworm), Fasciola (Liver fluke) are examples of which Phylum?
[A] Annelida
[B] Arthropoda
[C] Coelenterata
[D] Platyhelminthes
Show Answer
Correct Answer: D [Platyhelminthes]
Notes:
Taenia (Tapeworm), Fasciola (Liver fluke) are examples of Platyhelminthes, mostly parasites that live in other animals including animals. Some are freeliving forms, mainly aquatic-marine or freshwater. Their bodies remain externally covered by cilia or cuticle.
33. Liver-oil of fish is rich in ____:
[A] Vitamin A
[B] Vitamin C
[C] Vitamin D
[D] Vitamin E
Show Answer
Correct Answer: A [Vitamin A]
Notes:
Cod liver oil is the oil extracted from the livers of Atlantic cod. It is commonly taken as a dietary supplement and is packed full of nutrients. It is one of the best sources of omega 3 fatty acids (EPA and DHA), and it contains relatively high amounts of vitamin A and vitamin D. It is a vital nutrient for immune system function, cellular growth, eye health, and reproduction. It decreases blood clot formation and reduce inflammation in the body.
34. National Viral Hepatitis Control Program (NVHCP) aims to achieve country wide elimination of Hepatitis C by _____:
[A] 2022
[B] 2025
[C] 2028
[D] 2030
Show Answer
Correct Answer: D [2030]
Notes:
The National Viral Hepatitis Control Program aims to combat hepatitis and achieve country wide elimination of Hepatitis C by 2030. Launched on 28 July, 2018, it also aims to achieve significant reduction in the infected population, morbidity and mortality associated with Hepatitis B and C viz. Cirrhosis and Hepato-cellular carcinoma (liver cancer).
35. In the plant kingdom, Ferns and Fern allies belong to which group?
[A] Gymnosperms
[B] Bryophyta
[C] Pteridophyta
[D] Thallophyta
Show Answer
Correct Answer: C [Pteridophyta]
Notes:
A fern is any one of a group of about 20,000 species of plants classified in the phylum or division Pteridophyta, also known as Filicophyta. Fern ally is a general term covering a somewhat diverse group of vascular plants that are not flowering plants (angiosperms) and not true ferns. Like ferns, these plants reproduce by shedding spores to initiate an alternation of generations. Both Ferns and fern allies belong to Pteridophytes.
36. Which of the following disease is not caused by metal toxicity?
[A] Minamata
[B] Dermatitis
[C] Itai-Itai
[D] Both Minamata and Itai-Itai
Show Answer
Correct Answer: B [Dermatitis]
Notes:
Dermatitis, also known as?eczema, is a group of diseases that results ininflammationof the?skin. These diseases are characterized by?itchiness, red skin, and a rash. Itai-Itai is caused by cadmium poisoning and Minamata due to mercury poisoning.
37. Which of the following is not a component of chlorophyll?
[A] Carbon
[B] Magnesium
[C] Hydrogen
[D] Calcium
Show Answer
Correct Answer: D [Calcium]
Notes:
Chlorophyll, a photo-receptive pigment, allows plants to absorb sunlight. Chlorophyll is a chlorine pigment, which is structurally similar to and produced through the same metabolic pathway as other porphyrin pigments such as heme. At the center of the chlorine ring is a magnesium ion. The molecular formula of C55H70O6N4 Mg. Hence, chlorophyll as a pigment lacks calcium.
38. The plants, which grow under water stress conditions of deserts are _____:
[A] Sciophytes
[B] Heliophytes
[C] Epiphytes
[D] Xerophytes
Show Answer
Correct Answer: D [Xerophytes]
Notes:
The term xerophyte refers to a plant species that has evolved over time to adapt to dry and arid regions like deserts. Xerophytes have adapted to be able to keep extremely large amounts of water for a long period of time. Without this capability, the plant would die, as the desert region itself does not provide enough water to sustain life. They have thick cuticle, sunken stomata and leaves modified in form of spines such as in opuntia.
39. Which of the following is a fat-soluble vitamin that plays a role in blood clotting, bone metabolism and regulating blood calcium levels?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin K
Show Answer
Correct Answer: D [Vitamin K]
Notes:
Vitamin K refers to a group of fat-soluble vitamins that play a role in blood clotting, bone metabolism, and regulating blood calcium levels. The body needs vitamin K to produce prothrombin, a protein and clotting factor that is important in blood clotting and bone metabolism.
40. Adamsia (Sea anemone), Pennatula (Sea-pen) are examples of which Phylum?
[A] Aschelminthes
[B] Coelenterata
[C] Arthropoda
[D] Annelida
Show Answer
Correct Answer: B [Coelenterata]
Notes:
Adamsia (Sea anemone), Pennatula (Sea-pen) are examples of Anthozoa Class under Coelenterata Phylum. The organism under this phylum are mostly marine, solitary or colonial, sessile, or free-swimming and radially symmetrical animals. Other examples of Anthozoa class are Meandrina (brain-coral), Fungia, Gorgonia (sea fan or horny coral), etc.