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Biology (NEST Practice test)

A comprehensive biology practice test covering molecular biology, botany, zoology, physiology, and biochemistry for NEST exam preparation

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not a vestigial organ in humans?

  1. Nictitating membrane
  2. Toe nail
  3. Wisdom tooth
  4. Coccyx
  5. Appendix
Question 2 Multiple Choice (Single Answer)

Name the molecule in cells that carries codes from DNA in the nucleus to the sites of protein synthesis in the cytoplasm.

  1. mRNA
  2. rRNA
  3. tRNA
  4. RNA
  5. DNA
Question 3 Multiple Choice (Single Answer)

Name the most diverse macromolecule that is found in the cell both physically and chemically.

  1. Proteins
  2. Lipids
  3. Nucleic acid
  4. Carbohydrates
  5. Vitamins
Question 4 Multiple Choice (Single Answer)

Which of the following bacteria is responsible for nitrogen fixation?

  1. Agrobacterium
  2. Cyanobacteria
  3. Rhizobium
  4. Pseudomonas
  5. Anabaena
Question 5 Multiple Choice (Single Answer)

Which of the following has the largest gametophyte?

  1. Selaginella
  2. Cycad
  3. Angiosperm
  4. Moss
  5. Gymnosperm
Question 6 Multiple Choice (Single Answer)

Which of the following is known as friend of farmers?

  1. Mosquito
  2. Earthworm
  3. Frog
  4. Salamander
  5. Ant
Question 7 Multiple Choice (Single Answer)

The death of a cell in an organ or tissue due to disease, injury or failure of blood supply is known as

  1. black root rot
  2. chlorosis
  3. gray mould
  4. spotted wilt
  5. necrosis
Question 8 Multiple Choice (Single Answer)

Name the last electron acceptor in non-cyclic photophosphorylation.

  1. Cytocrome
  2. Plastocyanin
  3. An iron sulphur-protein
  4. Ferredoxin
  5. None of these
Question 9 Multiple Choice (Single Answer)

Soil water avilable to roots is

  1. surface water
  2. hygroscopic water
  3. gravitational water
  4. groundwater
  5. capillary water
Question 10 Multiple Choice (Single Answer)

Which of the following shows anti-insulin effect?

  1. Relaxin
  2. Cortisol
  3. Prolectin
  4. Oxytoxin
  5. Oestrogen
Question 11 Multiple Choice (Single Answer)

Tri-carboxylic acid cycle occurs in

  1. mitochondria
  2. cytoplasm
  3. chloroplast
  4. ribosome
  5. golgi bodies
Question 12 Multiple Choice (Single Answer)

Who gave the theory of pangenesis?

  1. Mendel
  2. Lamarck
  3. Charles Darwin
  4. Pasteur
  5. Weismann
Question 13 Multiple Choice (Single Answer)

Who among the following is known as the father of angiosperm embryology in India?

  1. Leeuwenhoek
  2. P. Maheshwari
  3. Noll
  4. Steward
  5. Guignard
Question 14 Multiple Choice (Single Answer)

Which of the following is used to ripen a fruit?

  1. Abscisic acid
  2. Auxin
  3. Cytokinin
  4. Cuomarin
  5. Ethylene
Question 15 Multiple Choice (Single Answer)

Which of the following is a stress hormone?

  1. Benzyl aminopurine
  2. Dichloro acetic acid
  3. Abscisic acid
  4. Auxin
  5. Oxaloacetic acid
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