Top 1000+ Solved Biology (GK) MCQ Questions Answer

From 331 to 345 of 1657

Q. Which of the following causes Malaria?

a. Insect

b. Bacteria

c. Protozoa

d. Virus

  • c. Protozoa

Q. Deposition of uric acid crystals at the joint is the cause of -

a. Arthritis

b. Osteoporosis

c. Osteomalacia

d. Rickets

  • a. Arthritis

Q. Whichone of the following is an extinct animal?

a. Passenger pigeon

b. Mountain quail

c. Pink-headed duck

d. Ibis

  • a. Passenger pigeon

Q. From which one of the following is quinine extracted?

a. Sarpagandha

b. Opium

c. Cinchona

d. Datum

  • c. Cinchona

Q. The colour change in the Chameleon is due to the presence of -

a. Haemoglobin

b. Chromatophore

c. Chlorophyll

d. Pneumatophore

  • b. Chromatophore

Q. The deficiency of iodine leads to -

a. Hyperthyroidism

b. Goitre

c. Midgut

d. Diabetes

  • b. Goitre

Q. Which of the following is biodegradable?

a. Paper

b. D. D. T

c. Aluminium

d. Plastic

  • a. Paper

Q. Blue-green algae are included in the group –

a. Eubacteria

b. Cyanobacteria

c. Protozoa.

d. Fungi

  • b. Cyanobacteria

Q. Haemoglobin contains the metal -

a. Copper

b. Molybdenum

c. Iron

d. Magnesium

  • c. Iron

Q. The most abundant enzyme in the living world is -

a. Rubisco

b. Invertase

c. DNAse

d. Zymase

  • a. Rubisco

Q. Mycobacterium leprae is a -

a. Bacillus

b. Coccus

c. Spiral

d. Spore

  • a. Bacillus

Q. An insect is an organism having -

a. 3 pairs of legs

b. 4 pairs of legs

c. Head, thorax and abdomen

d. Pair of wings and antenna

  • a. 3 pairs of legs

Q. Malaria is transmitted from one person to another by:

a. Aedes Mosquito

b. Culex Mosquito

c. Anopheles Mosquito

d. All of the above

  • c. Anopheles Mosquito

Q. Liver is a RICH source of -

a. sugars

b. fat soluble vitamins

c. minerals

d. proteins

  • d. proteins

Q. Cuscuta is a -

a. Saprophyte

b. Epiphyte

c. Xerophyte

d. Parasite

  • d. Parasite
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