1000+ General Biology Set 2 Multiple Choice Question Answer [Solved]

1. Pacemaker is the
A. Sinu-auricular node
B. Auriculo-ventricular node
C. Bundle of His
D. Purkinje fibres
Answer : A

2. The corn in an underground stem that grows
A. horizontally
B. vertically
C. above the soil
D. obliquely
Answer : B

3. The acid that is secreted in the stomach is
A. HCI
B. H2SO4
C. H2CO3
D. HNO3
Answer : A

4. Green plants In the sea are useful for respiration of flash because they
A. release oxygen
B. release carbon dioxide
C. release oxygen and carbon dioxide simultaneously
D. take oxygen and give out carbon dioxide
Answer : A

5. The wall of the heart is made of programmed cell death is known as
A. voluntary muscles
B. involuntary muscles
C. cardiac muscles
D. skeletal muscles
Answer : C

6. Which of the following diseases is considered as completely eradicated from India, as no case of the same has been reported in last one year?
A. Polio
B. Tuberculosis
C. Cancer
D. Swine flu
Answer : A

7. Chromosome theory of inheritance was propounded by
A. Sutton and Boveri
B. Mendel
C. Muller
D. Beadle and Tatum
Answer : A

8. The study of ecology with pyramids was invented by
A. Darwin
B. Elton
C. Odum
D. Joshua
Answer : B

9. During dehydration, the human body is usually lost by the human body is
A. sugar
B. sodium chloride
C. potassium chloride
D. iodine
Answer : B

10. The counting of RBCs is done with
A. haemocytometer
B. haemoglobinometer
C. clinostat
D. thermometer
Answer : A

11. Chlorosis is the phenomenon where leaves have
A. more chlorophyll
B. less chlorophyll
C. no chlorophyll
D. patches of chlorophyll
Answer : C

12. The insects do not have blood pigments because
A. there is no blood
B. blood does not have a respiratory function
C. tissues have pigments
D. pigments are elsewhere
Answer : B

13. The cellular and molecular control o( programmed cell death is known as
A. Apoptosis
B. Ageing
C. Degeneration
D. Necrosis
Answer : A

14. HIV causes
A. cancer
B. hepatitis
C. AIDS
D. Herpes
Answer : C

15. Which of the following is NOT a viral disease?
A. Chicken-pox
B. Influenza
C. Epilepsy
D. Measles
Answer : C

16. Sex linked genes are carried by
A. X-chromosomes
B. Y-chromosomes
C. different part of X- and Y-chromosomes
D. autosomes
Answer : C

17. Oparin is known for his hypothesis on
A. origin of species
B. origin of life
C. one germ one disease
D. one gene one enzyme
Answer : B

18. Excess of amino-acids are broken down to form urea in the
A. Liver
B. Kidney
C. Spleen
D. Rectum
Answer : A

19. Malaria is transmitted from one person to another by
A. bad air
B. flies
C. anopheles mosquito
D. culex mosquito
Answer : C

20. Fledgling is a term often used to denote the young one of a
A. bird
B. fox
C. dog
D. man
Answer : A

21. The country where commercial production of cultured pearls is undertaken on large scale is
A. India
B. Mexico
C. Netherlands
D. Japan
Answer : D

22. The spores of Puccinia formed on the leaves of wheat are called
A. Basidiospores
B. Ascidiospores
C. Uredospores
D. Pycnospores
Answer : C

23. The condition in which there is abnormal decrease of white blood corpuscles is known as
A. leukaemia
B. leucoderma
C. leukopenia
D. anaemia
Answer : C

24. The thrombocytes are associated with
A. blood coagulation
B. transport of respiratory gases
C. removal of nitrogenous wastes
D. All the above
Answer : A

25. Oxygen transport is a function of
A. White Blood Corpuscles
B. Red Blood-Corpuscles
C. Blood Platelets
D. Plasma
Answer : B

26. Fibrinogen is present in
A. lymph
B. liver
C. blood plasma
D. pancreas
Answer : C

27. A biopsy is performed on a patient generally to detect which one of the following?
A. Cancer
B. Tuberculosis
C. Appendicitis
D. Renal failure
Answer : A

28. The universal donor belongs to blood group
A. A
B. B
C. AB
D. O
Answer : D

29. Blood of cockroach is
A. red
B. bluish
C. greenish
D. colourless
Answer : D

30. Which among the following may carry rabies?
A. Cat
B. Dog
C. Fox
D. All the three
Answer : D

31. Insect pollination is known as
A. Hydrophily
B. Ornithophily
C. Anemophily
D. Entomophily
Answer : D

32. Timberline shows
A. a line of trees
B. the limit of the forest
C. annual rings
D. height of trees
Answer : B

33. The tear glands help us in
A. sobbing
B. protecting the eye
C. preventing dust
D. providing a clean moist surface
Answer : D

34. Green plants synthesise carbohydrates by the
A. holozoic method
B. holophytic method
C. saprophytic method
D. parasitic method
Answer : B

35. The blood without corpuscles is called
A. bile
B. lymph
C. plasma
D. blood
Answer : C

36. Decomposition of organic matter is due to
A. Virus
B. Fungi
C. Bacteria
D. None of these
Answer : C

37. The blood pressure is controlled by the hormone
A. Vasopressin
B. Oxytocin
C. Oestrogen
D. Testasterone
Answer : A

38. Insulin is produced in the human body by the
A. Heart
B. Kidney
C. Liver
D. Pancreas
Answer : D

39. Intravascular clotting of blood is known as
A. anaemia
B. leucopenia
C. thrombosis
D. thrombin
Answer : C

40. What is the colour of the outer portion of the spinal cord?
A. gray
B. brown
C. white
D. yellow
Answer : C

41. Wallace's line is a line
A. drawn by Darwin
B. across the mountains
C. between two zoo-geographical areas
D. between different classes of animals
Answer : C

42. Maintenance of pregnancy is under the control of
A. follicular stimulating hormone
B. growth hormone
C. estrogen
D. progesterone
Answer : D

43. Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the
A. fungi
B. plants
C. insects
D. bacteria
Answer : C

44. Waldeyer gave the name
A. microsome
B. chromosome
C. ribosome
D. lysosome
Answer : B

45. Pneumonia is ,a bacterial disease caused by the type of bacteria called
A. Bacilli
B. Cocci
C. Sprilli
D. Vibrio
Answer : B

46. Which one is a water-soluble vitamin?
A. A
B. C
C. D
D. E
Answer : B

47. Plants growing in sunlight are called
A. sciophytes
B. hydrophytes
C. xerophytes
D. heliophytes
Answer : D

48. Which of the following is a good and rich source of vitamin 'C'?
A. Milk
B. Radish
C. Mango
D. Lemon Juice
Answer : D

49. Scurvy is a disease caused by the deficiency of vitamin.
A. A
B. B
C. C
D. D
Answer : C

50. The layer of stagnant water in which light penetrates is called
A. Aphotic
B. Euphotic
C. Epilimnion
D. Disphotic
Answer : B