NTSE exam sample paper of Biology with Answers

NTSE exam sample paper on biology with answers: National Talent Search Exam Model questions with answers are available for various competitive exams

NTSE exam sample paper of Biology with Answers

Q1. Is the process of transcription involved in the
(a) Conversation of RNA & DNA
(b) Movement of RNA from the nucleus
(c) Formation of RNA & DNA
(d) None of these
Answer: (c)

Q2. Persons who received Nobel Prize for their work on green plants
(a) Carsan & Van, U.San
(b) Calvin & Borlang
(c) Beadle & Tcrick
(d) None of these
Answer: (b)

Q3. Genes are made of
(a) Hristones
(b) Poly nucleotides
(c) Hydrocarbon
(d) Lipoproteins
Answer: (b)

Q4. The cell membrane is made of
(a) Phosphoproteins
(b) Proteins
(c) Phospholipid Proteins
(d) None of these
Answer: (c)

Q5. Which of the following diseases are gender-linked?
(a) Maliganancy
(b) Levnemia
(c) Bloodiness
(d) Hepatitis
Answer: (c)

Q6. Which vitamin deficiency caused the cracking of the lips of the patient at the corner?
(a) Vitamin A
(b) Vitamin C
(c) Vitamin B2
(d) None of these
Answer: (c)

Q7. What is a weed?
(a) Unwanted plants along with crops
(b) The root protein of the plants
(c) The disease cause to plants
(d) None of these
Answer: (a)

Q8. The protein part of an enzyme is termed as
(a) Holoenzyme
(b) Ribosome
(c) Prostetic group
(d) Apoenzyme
Answer: (d)

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
Answer: (d)

Q10. Quinine is obtained from
(a) Roots of Ravoltia Serpentine
(b) Bark of Cinchona
(c) Stigmas of Crocus
(d) None of these
Answer: (b)

Q11. The first event in Photosynthesis is
(a) Photolysis of water
(b) Release of water
(c) Formation of ATP & NADPH
(d) Photoexcitation of Chlorophyll & ejection of an electron
Answer: (d)

Q12. Plants are made disease-resistant 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
Answer: (a)

Q13. The total number of Amino acids in nature is
(a) 20
(b) 25
(c) 30
(d) 200
Answer: (d)

Q14. Protein catalysts of chemical reactions in biological systems are
(a) Hormones
(b) Enzymes
(c) Vitamins
(d) Both Hormones & enzymes
Answer: (b)

Q15. Carbohydrates may be defined chemically as
(a) Aldehyde or Ketone derivatives of the polyhedric alcohols
(b) Compounds which yield derivatives on Hydrolysis
(c) Both a & b
(d) None of these
Answer: (a)

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
Answer: (d)

Q17. Which of the following crops would require a minimum quantity of urea of NPK for its growth?
(a) Sugarcane
(b) Paddy
(c) Groundnut
(d) Black – gram
Answer: (d)

Q18. Which of the following are non – biodegradable
(a) Egg shell
(b) Butter
(c) Detergents
(d) Leather
Answer: (c)

Q19. Symptoms of food poisoning
(a) Nausea & abdominal pain
(b) Head & body etching
(c) Loose motion
(d) All of the above
Answer: (a)

Q20. A doctor noticed that the patient is pale & losing 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 these
Answer: (a)

Q21. Spiracles of cockroach is known as
(a) 2 pairs
(b) 8 pairs
(c) 10 pairs
(d) None of these
Answer: (c)

Q22. Benign tertian liver in man is caused.
(a) P. Vivax
(b) P – malaria
(c) P. Faclic prumbra
(d) P. ovale
Answer: (a)

Q23. Water balance in freshwater protozoans is maintained by.
(a) Food vacuoles
(b) Diffusion
(c) Nucleus
(d) Contractile Vacuoles
Answer: (d)

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
Answer: (b)

Q25. Urea is produced in the body of a man in a.
(a) Kidney
(b) Urinary bladder
(c) Liver
(d) Blood
Answer: (c)

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
Answer: (a)

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
Answer: (d)

Q28. What will happen to the body of an adult human being if the 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
Answer: (d)

Q29. Malignant fever is caused by speci
(a) Vivax
(b) Malaria
(c) Ovale
(d) Falciparum
Answer: (d)

Q30. Malaria is transmitted by
(a) Male anopheles
(b) Female anopheles
(c) Anopheles
(d) Mosquitoes
Answer: (b)

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