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...