General Science Objective MCQ Practice test For Exams

General Science Objective MCQ Practice test For Exams
GENERAL SCIENCE 25 MCQs For Exams like KVS UPSC NDA RRB and PSC
1. The substance which has recently received
Greater attention in investigations concerning
Diseases of the heart and blood vessels
Is-
(a) Protein
(b) Fats
(c) Glycerol
(d) Cholesterol
(e) Amino acids
Answer. (d)

2. Pneumonia is caused by-
(a) Virus
(b) Fungi
(c) Bacteria
(d) Algae
(e) None of these
Answer. (c)

3. The red colour of red sea is because of-
(a) Red algae
(b) Cephaleuros
(c) Brown algae
(d) Trichodesmium erythrium
(e) None of the above
Answer. (d)

4. Which one of the following is commonly
called ‘Edible sponge mushroom’?
(a) Sargassum
(b) Morchella
(c) Agaricus
(d) Polyporus
(e) None of these
Answer. (b)

5. The most important part of a green plant is-
(a) Stalk
(b) Leaf
(c) Root
(d) Flower
(e) None of these
Answer. (b)

6- The movement of water molecular from
One cell to another depends on-
(a) Osmotic concentration
(b) Turgor pressure
(c) Wall pressure
(d) Plasma pressure
(e) Diffusion pressure deficit
Answer. (a)

7. Which one of the following gases is
Considered as atmospheric pollutant?
(a) Oxygen
(b) Ozone
(c) S02
(d) Nitrogen
(e) Argon
Answer. (c)

8. Gaseous exchange between old corky
Stem and internal, tissue takes place
Through-
(a) Xylem
(b) Phloem
(c) Lenticels
(d) Stomata
(e) Leaves
Answer. (c)

9. The branch of the science dealing with the
Study of human skin is called-
(a) Physiology
(b) Pathology
(c) Anatomy
(d) Biochemistry
(e) Dermatology
Answer. (e)

10. Teratology is the branch of biology which
Deals with the study of-
(a) Extra-embryonic membrane
(b) Post-embryonic development
(c) Abnormal development after birth or Hatching
(d) Haemopoisis
(e) Abnormal development during embryo Genesis
Answer. (e)

11. Which of the following can be used for Biological control of mosquitoes?
(a) Oil
(b) Ointments
(c) D. D. T.
(d) Gambusia
(e) Gamaxene
Answer. (d)

12. The total number of muscles in the human
Body is-
(a) 525
(b) 639
(c) 373
(d) 457
(e) 734
Answer. (b)

13 The function of the tapetum in the anther Is-
(a) Protective
(b) Productive
(c) Nutritive
(d) Decorative
(e) Conduction
Answer. (c)

14 The language of Honey-bees was decoded By-
(a) Carolus Linnaeus
(b) William Harvey
(C) Karl von Frisch
(d) Charles Darwin
(e) Mendel
Answer. (c)

15 What is the name of the longest bone of Thigh?
(a) Vistula
(b) Femur
(c) Fibula
(d) Humerus
(e) Tibia
Answer. (b)

16. Deficiency of Vitamin ‘C’ causes-
(a) Rheumatism a
(b) Kidney malfunction
(c) Scurvy
(d) Respiratory disease
(e) Night blindness
Answer. (c)
219. Diseases transmitted by the head louse is-
(a) Plague
(b) Rabies
(c) Scurvy
(d) Typhoid
(e) Cholera
Answer. (d)

17. The main function of white blood corpuscles
In the body is-
(a) To carry food
(b) To help in the formation of clot
(c) To carry oxygen
(d) To protect the body against diseases
(e) To help extricate waste products
Answer. (d)

18. Blood Plasma is composed chiefly of-
(a) Water
(b) The hormone component
(c) The antibody component
(d) Haemoglobin
(e) Lymph
Answer. (a)

19. Haemoglobin is a pigment present in-
(a) The plasma
(b) Red blood cells
(c) White blood cells
(d) Spleen
(e) Hepatic cells
Answer. (b)


20. Which of the following processes liberates
Energy?
(a) Osmosis
(b) Symbiosis
(c) Photosynthesis
(d) Respiration
(e) Digestion
Answer. (d)

21. Diabetes can be controlled by the injection
Of-
(a) Penicillin
(b) Thyrosin
(c) Terramycin
(d) Auromycin
(e) Insulin
Answer. (e)

22. Which one of the following cartilage helps in
the easy birth of young ones without damage
To pelvic girdle?
(a) Fibrous Cartilage
(b) Hyaline Cartilage
(c) Elastic Cartilage
(d) Non-elastic Cartilage
(e) None of the above
Answer. (a)

23. The ‘Universal Recipient’ Belongs to blood
Group-
(a) O
(b) A
(C) B
(d) AB
(e) None of these
Answer. (d)

24. Antibiotics are-
(a) Anaesthetic substances
(b) Sleeping pills
(c) Special medicines used during surgical
Operations
(d) Drugs prepared from moulds and mould
Like organisms
(e) Medicines against contamination of
Wounds
Answer. (d)

25. Xerophytes are-
(a) Plant tissues which carry out transportation
Of water minerals and food from one part to
Another
(b) The plants adapted to grow in dry habitats
(c) The male reproductive parts of the flower
(d) Organisms living on dead organic matter
(e) None of these
Answer. (b)