1. Which of the following is/are digestive enzymes?
Correct : D. All of the above
2. Which of the following does not act both as an exocrine gland and as an endocrine gland?
Correct : A. Pituitary
3. Which of the following is/are examples for symbiotic association?
Correct : C. Both are right
4. Coupling and repulsion are the two states of –
Correct : A. linkage
5. Stamens are fused with each other by their anthers and also with the petals in
Correct : C. Compositae
6. An organism which can monitor air pollution is –
Correct : B. Lichen
7. In the human body, which of the following organs is responsible for water balance?
Correct : C. Kidneys
8. The beetroot is the portion of the beet plant -
Correct : A. tap root
9. Chlorophyll contains –
Correct : B. Magnesium
10. Hydroponics is a method of culture of plants without using –
Correct : D. soil
11. Natural system of classification was proposed by botanists.
Correct : D. British
12. The metal ion present in vitamin B12 is
Correct : A. cobalt
13. Microbial degradation of nitrates into atmospheric nitrogen is known as-
Correct : C. Denitrification
14. Study of organisms in relation to their environment is called –
Correct : A. Ecology
15. Crossing-over occurs during
Correct : C. Path ene
16. Red rot of sugarcane is caused by –
Correct : C. Colletotrichurn falcatum
17. The fleshy thalamus is edible in –
Correct : A. Apple
18. Cactus is referred to as –
Correct : C. Xerophyte
19. How many neck canal cells are found in the archegonium of a fern?
Correct : A. One
20. Medicine of Quinine is provided by –
Correct : A. Cinchona plant
21. Process through which plants reproduce –
Correct : A. Pollination
22. Widal test is used for the diagnosis of
Correct : D. Typhoid
23. The pancreas secretes –
Correct : A. Insulin
24. The endangered species are listed in what colour data book?
Correct : B. Red
25. What is true about viruses without exception?
Correct : D. They can multiply only in host cells
26. Bryophytes are often called as amphibian plant because they :
Correct : B. are found both in water and on land
27. DPT vaccine is administered to prevent diseases like:
Correct : A. Diphtheria, Pertussis and Tetanus
28. Vitamin E is particularly important for
–
Correct : C. normal activity of sex glands
29. Mushroom cultivation is not useful in
Correct : B. Biological control of crop diseases
30. Blubber is -
Correct : B. a layer of thick fat
31. Which of the following is correct?
Correct : A. Osteology is the study of bones
32. The main function of white blood cells in the body is to -
Correct : D. protect body against diseases
33. The expansion for AIDS is -
Correct : C. Acquired Immuno Deficiency Syndrome
34. The orange colour of carrot is because of –
Correct : B. Carotene
35. Ginger is a stem and not a root because
Correct : C. It has nodes and internodes
36. Adherent mucoid alkaline substance covering the inner lining of stomach is to -
Correct : C. prevent the action of pepsin of mucosa
37. Which of the following processes are associated with plants during dark period?
Correct : D. Conduction and respiration
38. Two richest known sources of edible protein are -
Correct : C. soyabean and groundnut
39. Reserpine is used to -
Correct : A. reduce high blood pressure
40. Vitamin E is particularly important for
Correct : C. normal activity of sex glands
41. What happens to a person who receives the wrong type of blood?
Correct : C. The RBCs agglutinate
42. Maximum photosynthetic activity occurs in -
Correct : A. blue and red region of light
43. Radioimmunoassay (RIA) is a therapy used -
Correct : D. to detect antibodies and hormones present in the blood samples
44. Fat soluble vitamins are –
Correct : B. Calciferol, Carotene, Tocopherol
45. What is "ALZHEIMER'S" disease?
Correct : A. It is a disorder of the brain
46. Grey hair is caused due to –
Correct : D. loss of melanin in epidermal cells
47. Stomatal opening is based on
Correct : B. Endosmosis
48. Optics is the study of:
Correct : A. Nature and properties of light
49. Bakeries use yeast in bread-making because it –
Correct : B. makes the bread soft and spongy
50. The elements known as primary nutrients for plants
Correct : A. Nitrogen, Phosphorus and Potassium
51. Endoscope is an instrument used to detect the ulcers in the stomach has a long narrow tube (with a small glowing bulb at one end) which is inserted in to the stomach through the mouth contains.
Correct : C. optical fibre
52. Kelp is -
Correct : C. Sea weed rich in iodine content
53. Which of the following plant hormones are incorrectly paired?
Correct : D. gibberlins- bud and seed dormancy
54. Which of the following is true with reference to blood platelets?
Correct : D. They are also called thrombocytes
55. The second Green Revolution aims at increasing agricultural output to promote
Correct : C. Inclusive growth
56. Food crops comprise.
Correct : C. Foodgrains, Pulses, Edible oilseeds
57. Point out the incorrect pair -
Correct : D. Operation Flood - Irrigation Development
58. Transpiration increases in –
Correct : A. Hot, thy and windy condition
59. Quantity of fresh air required for a man is -
Correct : A. 1000 cubic feet of air for every 20 minutes
60. Dinosaurs were -
Correct : D. reptiles that became extinct
61. What is the common in AIDS, mumps and poliomyelitis?
Correct : C. These are caused by viruses
62. A 'breath test' used by traffic police to check drunken driving uses:
Correct : A. potassium dichromate-sulphuric acid
63. According to Darwin's Theory of Evolution, long necks in giraffes -
Correct : A. arose because of constant attempt to reach leaves on tall trees, generation after generation
64. Sugarcane plants are usually propagated by vegetative means because -
Correct : A. they do not produce seeds
65. The term 'GM food' refers to the food -
Correct : B. that is genetically modified
66. ‘Why excessive heating and repeated use of cooking oil are most undesirable?
Correct : B. Carcinogenic substances like benzpyrene are produced
67. Flat footed camels can walk easily in sandy deserts because -
Correct : A. pressure on the sand is decreased by increasing the area of the surface in contact
68. A large number of identical plants can be obtained in a short span of time through -
Correct : C. tissue culture technique
69. Full form of the infectious disease SARS is -
Correct : B. Severe Acute Respiratory Syndrome
70. In test-tube babies, the -
Correct : B. Ovum is fertilized in the test-tubes and developed in uterus
71. Human beings have two ears because two ears help -
Correct : D. to distinguish between two kinds of sounds arriving at the ears in opposite directions
72. Cultivable land is defined as
Correct : D. total fallow lands + net sown area
73. Which one of the followings is/are correct definition of Habitat?
Correct : D. Natural environment of a living organism and the place where one would go find the particular living organism.
74. In bio fortification technique plant breeders use breeding to overcome –
Correct : C. Deficiencies of micronutrients and vitamins
75. The five key indicators of global climate change of our planet are
Correct : C. Arctic Sea ice, Carbon dioxide, Global Temperature, Sea level and Land ice
76. Green House Effect' means
Correct : C. Trapping of solar energy due to atmospheric gases
77. The presence of air bubble in blood stream is dangerous to life because-
Correct : C. The flow of blood is obstructed
78. In human body, ligaments are made up of
Correct : A. white fibres and some yellow elastic fibres
79. People consuming alcohol in heavy quantities generally die of –
Correct : D. Cirrhosis
80. Honey that has high concentration of sugar does not decay because
Correct : C. Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out
81. What is‘Biodiversity?
Correct : A. Many types of flora & fauna in one forest
82. In the grass lands, trees do not replace the grasses as a part of an ecological succession because of -
Correct : D. Water limits and fire
83. What does the term Ebola stand for?
Correct : A. A viral disease outbreak in West Africa
84. Which of the following is true for photoperiodic?
Correct : D. It is the reaction of organisms to the length of day or night
85. X-rays can be used
Correct : C. to detect defects in precious stones and diamonds.
86. Voralloid root' of Gyms helps in
Correct : B. Absorption of water and fixation of Nitrogen
87. The non-living characteristic of viruses is –
Correct : D. ability to be crystallise
88. What is silverfish?
Correct : C. A small silvery wingles insect
89. A genetically engineered form of brinjal known as the BT brinjal has been developed. The objective of this is
Correct : A. to make it pest resistant
90. The cause of Heart attack is:
Correct : C. lack of blood supply to the heart
91. Tachycardia is a condition characterized by
Correct : B. heart- rate increases from the normal
92. Ecosystem consists of :
Correct : A. A biotic community and its non-living elements
93. What are Lipids?
Correct : D. Cholesterol and trans fatty acids are types of Lipids
94. Which of the following is least likely to be an effect of global warming?
Correct : C. Decreased rate of photosynthesis in vegetation
95. Leaves of many grasses are capable of folding and unfolding because
Correct : D. they have specialised bulliform cells
96. Diamond does not conduct electricity, because -
Correct : D. No free electrons are present in it
97. 'Gynecomastia' is -
Correct : D. Development of breasts in males
98. Biofortifieation is a -
Correct : A. method of breeding crops to increase their nutritional value
99. Which of the following statements is true?
Correct : B. Animals make several feeding trips in a day
100. If a healthy freshwater fish is placed in salt water, what will be the expected consequence?