Director_General

BIOLOGY Q1. The process of Transcription is involved in the ' (a) Conversation of RNA & DNA (b) Movement of RNA from nucleus (c) Formation of RNA & DNA (d) None of these Q2. Persons who received Nobel Prize for their work on green plants are (a) Carsan & Van – U.San (b) Calvin & Borlang (c) Beadle & Tcrick (d) None of these Q3. Genes are made of (a) Hristones (b) Poly nucleotides (c) Hydrocarbon (d) Lipoproteins Q4. The cell membrane is made of (a) Phospho Proteins (b) Proteins (c) Phospholipid Proteins (d) None of these Q5. Which of the following diseases are sex – linked (a) Maliganancy (b) Levnemia (c) Blood ness (d) Hepatitis Q6. Which vitamin deficiency caused the cracking of lips of the patient at corner ' (a) Vitamin A (b) Vitamin C (c) Vitamin B2 (d) None of these Q7. What is weed ' (a) Unwanted plant along with crops (b) The root protein of the plants (c) The disease cause to plants (d) None of these Q8. The protein part of an enzyme is termed as (a) Holoenzyme (b) Ribosome (c) Prostetic group (d) Apoenzyme Q9. Fungi resemble human beings in (a) Their mode of nutrition (b) Their requirement of oxygen for respiration (c) Their stored food (d) All of the above Q10. Quinine is obtained from (a) Roots of Ravoltia Serpentine (b) Bark of Cinchona (c) Stigmas of Crocus (d) None of these Q11. The first event in Photosynthesis is (a) Photolysis of water (b) Release of water (c) Formation of ATP & NADPH (d) Photoexitation of Chlorophyll & ejection of an electron Q12. Plants are made disease resistance by (a) Crossing them with their wild relatives (b) Crossing them with new varieties (c) Giving x – rays in restricted doses (d) None of these Q13. The total number of Amino acids in natural is (a) 20 (b) 25 (c) 30 (d) 200 Q14. Protein catalysts of chemical reactions in biological systems are (a) Hormones (b) Enzymes (c) Vitamins (d) Both Harmones & enzymes Q15. Carbohydrates may be defined chemically as (a) Aldehyde or Ketone derivatives of the polyhedric alcoholes (b) Compounds which yield as are derivatives on Hydrolysis (c) Both a & b (d) None of these Q16. Lipids are important dietary constituents because of (a) High energy volume (b) Fat – soluble vitamins (c) Essential fatty acids (d) All of the above Q17. Which of the following crops would require minimum quantity of urea of NPK for its growth (a) Sugarcane (b) Paddy (c) Groundnut (d) Black – gram Q18. Which of the following are non – biogradable (a) Egg shell (b) Butter (c) Detergents (d) Leather Q19. Symptoms of food poisoning (a) Nausea & abdominal pain (b) Head & body etching (c) Loose motion (d) All of the above Q20. A doctor noticed that the patient is pale & loosing weight with tiredness physically. What is its cause ' (a) This disease is due to Iron deficiency & Vitamin B12 (b) This disease is due to deficiency of Vitamin C (c) This disease is due to deficiency of Vitamin D& E (d) All of the these Q21. Spiracles of cockroach is known as (a) 2 pairs (b) 8 pairs (c) 10 pairs (d) None of these Q22. Benign tertian liver in man is caused (a) P. Vivax (b) P – malaria (c) P. Faclic prumbra (d) P. ovale Q23. Water balance in fresh water protozoans is maintained by (a) Food vacuoles (b) Diffusion (c) Nucleus (d) Contractile Vacuoles Q24. Which is the most widely accepted theory of locomotion in Amoeba ' (a) Sol – gel theory (b) Rolling movement theory (c) Walking movement theory (d) None of these Q25. Urea is produced in the body of man in a (a) Kidney (b) Urinary bladder (c) Liver (d) Blood Q26. Rabbit is classified as a mammal because it posses (a) Mammary glands & hair & pinna (b) Mammary glands, hair, pinna & cochlea (c) Hair, pinna, cochlea & teeth (d) None of these Q27. In Kidney, glucose is mainly absorbed in the (a) Bowman's capsule (b) Distal Convoluted tubule (c) Loop of Henle (d) Proximal convoluted tubule Q28. What will happen to the body of an adult human being if spleen is removed ' (a) RBC production will be reduced (b) Antibody production will less (c) WBC production lowered (d) Filtration of dead RBC will not be possible Q29. Maligant fever is caused by speci (a) Vivax (b) Malaria (c) Ovale (d) Falciparum Q30. Malaria is transmitted by (a) Male anopheleles (b) Female anopheleles (c) Anopheleles (d) Mosquitoes