Biology Test Preparation For Ecat And Mcat(Ecat And Mcat Entry Test ) Questions and Answers

Question 1. The mechanism of stomatal movement is related to the branch of Biology called
  1.    Taxonomy
  2.    Physiology
  3.    Morphology
  4.    Anatomy
Explanation:-
Answer: Option B. -> Physiology
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2. Variety among amino acids is produced due to
  1.    NH2 group
  2.    COOH group
  3.    R group
  4.    All of these
Explanation:-
Answer: Option C. -> R group
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 3. Primary structure of proteins determines
  1.    Number of polypeptide chains involved
  2.    Bending of polypeptide chains
  3.    Amino acid sequence
  4.    Coiling of polypeptide chains
Explanation:-
Answer: Option C. -> Amino acid sequence
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 4. Maximum number of species of living things on earth are
  1.    Algae
  2.    Fungi
  3.    Insects
  4.    Protozoa
Explanation:-
Answer: Option C. -> Insects
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 5. The unicellular organisms ingest large molecules into their cytoplasm from the external environment without previously digesting them. This process is called
  1.    Diffusion
  2.    Osmosis
  3.    Phagocytosis
  4.    Plasmolysis
Explanation:-
Answer: Option C. -> Phagocytosis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 6. The one which is not a globular protein
  1.    Anti Rh-antibody
  2.    Enzyme
  3.    Myosin
  4.    Haemoglobin
Explanation:-
Answer: Option C. -> Myosin
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 7. Cellular digestion is associated with which organelle
  1.    Mitochondria
  2.    Golgi bodies
  3.    Plastids
  4.    Lysosomes
Explanation:-
Answer: Option D. -> Lysosomes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 8. An enzyme which converts a dipeptide into separate amino acids is an example of
  1.    Decarboxylase
  2.    Hydrolase
  3.    Oxidoreductase
  4.    Transferase
Explanation:-
Answer: Option B. -> Hydrolase
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 9. The simplest of oxygen producting photosynthetic organisms are
  1.    Algae
  2.    Bacteria
  3.    Cyanobacteria
  4.    Chlamydomonas
Explanation:-
Answer: Option C. -> Cyanobacteria
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 10. Membranes of the grane are sites where
  1.    Oxygen is stored
  2.    Food is stored
  3.    Sunlight is trapped
  4.    CO2 is stored.
Explanation:-
Answer: Option C. -> Sunlight is trapped
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!