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Mixed Test (Biology)

Mixed test - 7

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The addition or deletion of one or more chromosomes in a set is called

  1. euploidy
  2. aneuploidy
  3. polyploidy
  4. heteroploidy
Question 2 Multiple Choice (Single Answer)

Which of the following pairs of scientist and discovery is incorrectly matched?

  1. Meischer - Nucleotides
  2. Holler et al - Structure of tRNA
  3. Nageli and Cramer - Cell membrane
  4. Robert Brown - Nucleus
Question 3 Multiple Choice (Single Answer)

From which of the following bacteria is the hallucinogenic drug, LSD obtained?

  1. Claviceps purpurea
  2. Saccharomyces cerevisiae
  3. Penicillium notatum
  4. Rhizopus nigrican
Question 4 Multiple Choice (Single Answer)

Which of the following types of leucoplast stores starch?

  1. Amyloplast
  2. Elaioplast
  3. Aleuroplast
  4. Chromoplast
Question 5 Multiple Choice (Single Answer)

What happens to the enzyme if it is heated to the boiling temperature?

  1. It gets activated.
  2. It gets inactivated.
  3. It gets denatured.
  4. It remains unaffected.
Question 6 Multiple Choice (Single Answer)

Fret channels are present in which of the following organelles?

  1. Endoplasmic reticulum (ER)
  2. Mitochondria
  3. Golgi bodies
  4. Chloroplasts
Question 7 Multiple Choice (Single Answer)

The pressure exerted by the walls of a cell on the protoplast is called

  1. wall pressure
  2. turgor pressure
  3. diffusion pressure
  4. osmotic pressure
Question 8 Multiple Choice (Single Answer)

Which of the following is a triose sugar and a component of glycolysis?

  1. Ribulose
  2. Glyceraldehyde
  3. Mannose
  4. Galactose
Question 9 Multiple Choice (Single Answer)

Which of the following structures is present in mitochondria containing ATP synthetase?

  1. Oxysomes
  2. Peroxisomes
  3. Spherosomes
  4. Mesosomes
Question 10 Multiple Choice (Single Answer)

Which of the following is the causative agent of TB?

  1. Mycobacterium species
  2. Clostridium species
  3. Vibrio species
  4. Salmonella species
Question 11 Multiple Choice (Single Answer)

Under which of the following disciplines is the study of blood vessels done?

  1. Angiology
  2. Chondriology
  3. Cardiology
  4. Haematology
Question 12 Multiple Choice (Single Answer)

What is the pattern of connection of two strands of DNA?

  1. A - T, C - G
  2. A - C, T - G
  3. A - G, T - C
  4. A - U, G - C
Question 13 Multiple Choice (Single Answer)

To which of the following subgroups of fungi does the yeast belong?

  1. Ascomycetes
  2. Zygomycetes
  3. Basidiomycetes
  4. Deuteromycetes
Question 14 Multiple Choice (Single Answer)

Who gave the following phrase,' Protoplasm is the physical basis of life'?

  1. Schultze
  2. Robert Hooke
  3. Schleiden
  4. Robert Brown
Question 15 Multiple Choice (Single Answer)

Which of the following types of enzymes is associated with the release of electrons in respiration?

  1. Oxidase
  2. Carboxylase
  3. Dehydrogenase
  4. Ligase
Question 16 Multiple Choice (Single Answer)

What is the shape of the apex of the lamina of shoe flower plant?

  1. Acute
  2. Caudate
  3. Obtuse
  4. Cuspidate
Question 17 Multiple Choice (Single Answer)

Which of the following cell organelles is present only in plant cell and not in animal cell?

  1. Mitchondria
  2. Ribosomes
  3. Golgi complex
  4. Plastids
Question 18 Multiple Choice (Single Answer)

Which of the following cell structures lacks nuclear membrane and mitochondria?

  1. Bacterial cell
  2. Yeast cell
  3. Algal cell
  4. Protozoan cell
Question 19 Multiple Choice (Single Answer)

What are the filaments constituting the chromosomes called?

  1. Chromomeres
  2. Chromatin
  3. Centromere
  4. Chromonema
Question 20 Multiple Choice (Single Answer)

Verticillate phyllotaxy is present in which of the following plants?

  1. Nerium
  2. Eugenia
  3. Quisqualis
  4. Hibiscus
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