Q1. The photosynthesis occurs in the
(a) Day 
(b) Night
(c) Day and Night 
(d) None of these

Q2. The device to measure transpiration in plants is

(a) Hygrometer 
(b) Crescometer
(c) Potometer 
(d) Clinometer
Q3. The process of evaporation occurs from
(a) Root 
(b) Stem
(c) Leaf 
(d) Entire ‘plants’ surface
Q4. At which region of the electromagnetic spectrum do the plants photosynthesise?
(a) Red and Blue 
(b) Green and Yellow
(c) Blue and Orange 
(d) Violet and Orange
Q5. Which of the following is the cellular respiratory centre?
(a) Nucleus 
(b) Mitochondria
(c) Ribosome 
(d) Golgi body
Q6. Which of the following is a plant hormone?
(a) Adreneline 
(b) Insuline
(c) Oxytocin 
(d) Auxin
Q7. Jaundice in human beings is the result of
(a) incomplete metabolism of biliverdin
(b) complete metabolism of biliverdin
(c) incomplete metabolism of bilirubin
(d) complete metabolism of bilirubin
Q8. Which part of brain controls fine movement, maintains balance and equilibrium of the body and muscle tone in a human being?
(a) Cerebrum 
(b) Thalamus
(c) Cerebellum 
(d) Hypothalamus
Q9. Leishmania, the causative agent of kala-azar, multiplies asexually by
(a) budding 
(b) binary fission
(c) multiple fission 
(d) sporogony
Q10. Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is
(a) granulocyte
(b) lymphocyte
(c) erythrocyte (red blood cell)
(d) None of these
Q11. Which one of the following carries out the function in human beings similar to the one which Malpighian tubules perform in cockroaches and other insects?
(a) Lungs 
(b) Kidneys
(c) Heart 
(d) Reproductive organs
Q12. Lobsters belong to which one of the following classes of organisms?
(a) Arachnids 
(b) Crustaceans
(c) Insects 
(d) Myriopods
Q13. Contaminated water can cause the following diseases except which one of the following?
(a) Hepatitis A 
(b) Typhoid
(c) Measles 
(d) Cholera
Q14. Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies?
(a) Pertussis 
(b) Typhoid
(c) Diphtheria 
(d) Chickenpox
Q15. Which one of the following is not a genetic disorder?
(a) Colour blindness 
(b) Down’s syndrome
(c) Haemophilia 
(d) Xerophthalmia


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