481Which of the following is a large blood vessel that carries blood away from the heart?
(A) Vein
(B) Artery
(C) Capillary
(D) Nerve
482Which of the following is a sexually transmitted disease?
(A) Leukaemia
(B) Hepatitis
(C) Colour Blindness
(D) All of the above
483Which of the following is an air-borne disease?
(A) Measles
(B) Typhoid
(C) Pink eye
(D) None of the above
484Which of the following is not a member of the vitamin B complex?
(A) Thiamine
(B) Riboflavin
(C) Folic acid
(D) Ascorbic acid
485Which of the following is not a primary food product?
(A) Vegetables
(B) Milk
(C) Cereals
(D) Fruits
486Which of the following is one of the functions of antigen?
(A) Lowers body temperature
(B) Destroys harmful bacteria
(C) Triggers the immune system
(D) Used as an antidote to poison
487Which of the following is the universal recipient blood group?
(A) A
(B) B
(C) AB
(D) 0
488Which of the following is the volume of the urine produced in an adult human every 24 hours?
(A) 1 litre
(B) 1.5 litres
(C) 3.0 litres
(D) 5.0 litres
489Which of the following led to the expulsion of milk from the breast during suckling?
(A) Prolactin
(B) Oxytocin
(C) Vasopressin
(D) Estrogen and Progesterone
490Which of the following list of the diseases are deficiency diseases? I. Simple goitre and Oriental sore II. Xerophthalmia and colour blindness III. Night blindness and Marasmus IV. Beri-beri and Osteomalacia
(A) I & II
(B) I & III
(C) II & III
(D) III & IV
491Which of the following name of scientist and their field of work is correctly matched?
(A) DNA/Double helix: F. Crick J. Watson; M. Wilkins
(B) Modern classification of plants and animals based on a system: Harvey
(C) Bacteria: Linnaeus
(D) Blood travels in a continuous circuit: Leuwenhock
492Which of the following nerves connected from the eyes to ears?
(A) Cerebrum
(B) Cerebellum
(C) Medulla
(D) Spinal cord
493Which of the following organism have parasitic mode of nutrition?
(A) Penicillium
(B) Plasmodium
(C) Paramecium
(D) Parrot
494Which of the following pigment causes eye colour of person (brown eyes, blue eyes or black eyes)?
(A) Cornea
(B) Choroid
(C) Iris
(D) Vitreous body
495Which of the following process that does not involve evolution of CO2?
(A) Combustion
(B) Respiration
(C) Fermentation
(D) Photosynthesis
496Which of the following statement is related with the 'Sulphur shower'?
(A) Discharge of large quantities of Crocus (yellow kesar) pollen grains into the air.
(B) Discharge of large quantities of pinus pollen grains into the air forming yellowish clouds.
(C) Release of a large amount of sulphur particles into the air from factories processing sulphur.
(D) Release of a large amount of sulphur particles into the air near sulphur mines.
497Which of the following statements are correct regarding respiration in plants? I. Respiration is the process of releasing energy from food. II. Respiration takes place individually in all parts of the plants like stem, roots, leaves etc. III. The rate of respiration is slow in plants whereas it is faster in humans and animals. Select the correct answer from the codes given below:
(A) I and III are correct
(B) I and II are correct
(C) I; II and III are correct
(D) None of the above
498Which of the following statements are true regarding Photosystems?
(A) Photosystems are arrangements of chlorophyll and other pigments packed into thylakoids.
(B) Many Prokaryotes have only one photosystem.
(C) Both A and B are correct.
(D) Only A is correct.
499Which of the following statements is/are correct about Light Reaction: I. In this reaction light energy is absorbed by chlorophyll pigments and converted into chemical energy. II. Energy is stored in the form of ATP III. NADPH2 is generated Options are:
(A) Both I and II are correct
(B) Both I and III are correct’
(C) Only II is correct
(D) All I; II and III are correct
500Which of the following statements is/are correct related to Dark Reaction: I. The process involves fixation and reduction of carbon dioxide in the stroma of the chloroplast. II. Light is necessary for the reaction. III. It is also known as Calvin Cycle. Options are:
(A) Both I and II are correct
(B) Both II and III are correct
(C) Both I and III are correct
(D) All I; II and III are correct
501Which of the following statements is/are correct? I. The net gaseous exchange in leaves at night is, oxygen diffuses in and carbon dioxide diffuses out. II. Net gaseous exchange during day time is, oxygen diffuses out and carbon dioxide diffuses in. Select the correct answer from the codes given below:
(A) Only I is correct.
(B) Only II is correct
(C) Both I and II are correct.
(D) Neither I nor II is correct.
502Which of the following teeth of child (3-4 Years) is not a part of the milk teeth?
(A) Incisors
(B) Canines
(C) Molars
(D) Premolars
503Which of the vegetables have abundance of Vitamins A and C?
(A) Brinjal
(B) Lady's finger
(C) Potato
(D) Tomato
504Which one of the following bacteria present in the soil produces a peculiar smell if it rains on perched soil?
(A) Streptomycetes
(B) Staphymycetes
(C) Diplomycetes
(D) Micrococcus
505Which one of the following elements the drum of a Photostat machine is made up of:
(A) Aluminium
(B) Selenium
(C) Barium
(D) Caesium
506Which one of the following is not a function of the liver?
(A) Regulation of blood sugar
(B) Enzyme activation
(C) Detoxiation
(D) Reproduction
507Which one of the following is not correctly matched?
(A) Haemoglobin: Skin
(B) Vitamin C: Scurvy
(C) Carbohydrate: Potato
(D) Fat: Butter
508Which one of the following is not correctly matched?
(A) Tuberculosis: Lungs
(B) Filaria: Lymph nodes
(C) Encephalitis: Heart
(D) Leukaemia: Blood cells
509Which one of the following is the richest source of vitamin C?
(A) Guava
(B) Pineapple
(C) Orange
(D) Tomato
510Which one of the following organisms has a role in converting nitrates to free nitrogen?
(A) Pseudomonas
(B) Nitrosomonas
(C) Nitrobacter
(D) Rhizobium
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